Nothing
## NOTE:
## round(1.2355, 3) = 1.236
## but
## round(1.2345, 3) = 1.234
##
## perhaps we should add 0.0005 or something to avoid this?
print.lavaan.data.frame <- function(x, ..., nd = 3L) {
ROW.NAMES <- rownames(x)
y <- as.data.frame(lapply(x, function(x) {
if (is.numeric(x)) round(x, nd) else x
}))
rownames(y) <- ROW.NAMES
if (!is.null(attr(x, "header"))) {
cat("\n", attr(x, "header"), "\n\n", sep = "")
}
print(y, ...)
if (!is.null(attr(x, "footer"))) {
cat("\n", attr(x, "footer"), "\n\n", sep = "")
}
invisible(x)
}
print.lavaan.list <- function(x, ...) {
y <- unclass(x)
attr(y, "header") <- NULL
header <- attr(x, "header")
if (!is.null(header)) {
if (is.character(header)) {
cat("\n", header, "\n\n", sep = "")
} else {
print(header)
cat("\n")
}
}
print(y, ...)
invisible(x)
}
# prints only lower triangle of a symmetric matrix
print.lavaan.matrix.symmetric <- function(x, ..., nd = 3L, shift = 0L,
diag.na.dot = TRUE) {
# print only lower triangle of a symmetric matrix
# this function was inspired by the `print.correlation' function
# in package nlme
x <- as.matrix(x) # just in case
y <- x
y <- unclass(y)
attributes(y)[c("header", "footer")] <- NULL
ll <- lower.tri(x, diag = TRUE)
y[ll] <- format(round(x[ll], digits = nd))
y[!ll] <- ""
if (diag.na.dot) {
# print a "." instead of NA on the main diagonal (eg summary.efaList)
diag.idx <- lav_matrix_diag_idx(ncol(x))
tmp <- x[diag.idx]
if (all(is.na(tmp))) {
y[diag.idx] <- paste(strrep(" ", nd + 2L), ".", sep = "")
}
}
if (!is.null(colnames(x))) {
colnames(y) <- abbreviate(colnames(x), minlength = nd + 3L)
}
if (shift > 0L) {
empty.string <- rep(strrep(x = " ", times = shift), times = nrow(x))
if (!is.null(rownames(x))) {
rownames(y) <- paste(empty.string, rownames(x), sep = "")
} else {
rownames(y) <- empty.string
}
}
if (!is.null(attr(x, "header"))) {
cat("\n", attr(x, "header"), "\n\n", sep = "")
}
print(y, ..., quote = FALSE, right = TRUE)
if (!is.null(attr(x, "footer"))) {
cat("\n", attr(x, "footer"), "\n\n", sep = "")
}
invisible(x)
}
print.lavaan.matrix <- function(x, ..., nd = 3L, shift = 0L) {
x <- as.matrix(x) # just in case
y <- unclass(x)
attributes(y)[c("header", "footer")] <- NULL
if (!is.null(colnames(x))) {
colnames(y) <- abbreviate(colnames(x), minlength = nd + 3L)
}
if (shift > 0L) {
empty.string <- rep(strrep(x = " ", times = shift), times = nrow(x))
if (!is.null(rownames(x))) {
rownames(y) <- paste(empty.string, rownames(x), sep = "")
} else {
rownames(y) <- empty.string
}
}
if (!is.null(attr(x, "header"))) {
cat("\n", attr(x, "header"), "\n\n", sep = "")
}
print(round(y, nd), right = TRUE, ...)
if (!is.null(attr(x, "footer"))) {
cat("\n", attr(x, "footer"), "\n\n", sep = "")
}
invisible(x)
}
print.lavaan.vector <- function(x, ..., nd = 3L, shift = 0L) {
y <- unclass(x)
attributes(y)[c("header", "footer")] <- NULL
# if(!is.null(names(x))) {
# names(y) <- abbreviate(names(x), minlength = nd + 3)
# }
if (!is.null(attr(x, "header"))) {
cat("\n", attr(x, "header"), "\n\n", sep = "")
}
if (shift > 0L) {
empty.string <- strrep(x = " ", times = shift)
tmp <- format(y, digits = nd, width = 2L + nd)
tmp[1] <- paste(empty.string, tmp[1], sep = "")
print(tmp, quote = FALSE, ...)
} else {
print(round(y, nd), right = TRUE, ...)
}
if (!is.null(attr(x, "footer"))) {
cat("\n", attr(x, "footer"), "\n\n", sep = "")
}
invisible(x)
}
print.lavaan.character <- function(x, ...) {
cat(x)
invisible(x)
}
print.lavaan.parameterEstimates <- function(x, ..., nd = 3L) {
# format for numeric values
num.format <- paste("%", max(8L, nd + 5L), ".", nd, "f", sep = "")
int.format <- paste("%", max(8L, nd + 5L), "d", sep = "")
char.format <- paste("%", max(8L, nd + 5L), "s", sep = "")
# output sections
GSECTIONS <- c(
"Latent Variables",
"Composites",
"Regressions",
"Covariances",
"Intercepts",
"Thresholds",
"Variances",
"Scales y*",
"Group Weight",
"R-Square"
)
ASECTIONS <- c(
"Defined Parameters",
"Constraints"
)
# header?
header <- attr(x, "header")
if (is.null(header)) {
header <- FALSE
}
if (header) {
cat("\nParameter Estimates:\n\n")
# info about parameterization (if categorical only)
categorical.flag <- attr(x, "categorical")
if (categorical.flag) {
# container
c1 <- c2 <- character(0L)
# which parameterization?
c1 <- c(c1, "Parameterization")
tmp.txt <- attr(x, "parameterization")
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
# format c1/c2
c1 <- format(c1, width = 38L)
c2 <- format(c2,
width = 13L + max(0, (nd - 3L)) * 4L, justify = "right"
)
# create character matrix
M <- cbind(c1, c2, deparse.level = 0)
colnames(M) <- rep("", ncol(M))
rownames(M) <- rep(" ", nrow(M))
# print
write.table(M, row.names = TRUE, col.names = FALSE, quote = FALSE)
}
# info about standard errors (if we have x$se only)
# 1. information
# 2. se
# 3. bootstrap requested/successful draws
if (!is.null(x$se)) {
# container
c1 <- c2 <- character(0L)
# which type of standard errors?
c1 <- c(c1, "Standard errors")
if (attr(x, "se") == "robust.huber.white") {
tmp.txt <- "sandwich" # since 0.6-6
} else {
tmp.txt <- attr(x, "se")
}
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
# information
if (attr(x, "se") != "bootstrap") {
# type for information
if (attr(x, "se") == "robust.huber.white") {
c1 <- c(c1, "Information bread")
} else {
c1 <- c(c1, "Information")
}
tmp.txt <- attr(x, "information")
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
# if observed, which type? (hessian of h1)
if (attr(x, "information") == "observed") {
c1 <- c(c1, "Observed information based on")
tmp.txt <- attr(x, "observed.information")
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
}
# if h1 is involved, structured or unstructured?
if (attr(x, "information") %in% c("expected", "first.order") ||
attr(x, "observed.information") == "h1") {
if (attr(x, "se") == "robust.huber.white" &&
attr(x, "h1.information") !=
attr(x, "h1.information.meat")) {
c1 <- c(c1, "Information bread saturated (h1) model")
} else {
c1 <- c(c1, "Information saturated (h1) model")
}
tmp.txt <- attr(x, "h1.information")
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
}
# if sandwich, which information for the meat? (first.order)
# only print if it is NOT first.order
if (attr(x, "se") == "robust.huber.white" &&
attr(x, "information.meat") != "first.order") {
c1 <- c(c1, "Information meat")
tmp.txt <- attr(x, "information.meat")
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
}
# if sandwich, structured or unstructured for the meat?
# only print if it is not the same as h1.information
if (attr(x, "se") == "robust.huber.white" &&
attr(x, "h1.information.meat") !=
attr(x, "h1.information")) {
c1 <- c(c1, "Information meat saturated (h1) model")
tmp.txt <- attr(x, "h1.information.meat")
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
}
} # no bootstrap
#TDJ: Pooling options for lavaan.mi-class objects (which NEVER bootstrap)
if (isTRUE(attr(x, "pooled"))) {
## add an empty element for a space before pooling section
c1 <- c(c1, "", "Pooled across imputations")
c2 <- c(c2, "", "Rubin's (1987) rules")
}
if (!is.null(attr(x, "scale.W"))) {
c1 <- c(c1, "Augment within-imputation variance")
if (attr(x, "scale.W")) {
c2 <- c(c2, "Scale by average RIV")
} else {
c2 <- c(c2, "Add between component")
}
}
if (!is.null(attr(x, "asymptotic"))) {
c1 <- c(c1, "Wald test for pooled parameters")
if (attr(x, "asymptotic")) {
c2 <- c(c2, "Normal (z) distribution")
} else {
c2 <- c(c2, "t(df) distribution")
}
}
# 4.
if (attr(x, "se") == "bootstrap" && !is.null(attr(x, "bootstrap"))) {
c1 <- c(c1, "Number of requested bootstrap draws")
c2 <- c(c2, attr(x, "bootstrap"))
c1 <- c(c1, "Number of successful bootstrap draws")
c2 <- c(c2, attr(x, "bootstrap.successful"))
}
# format c1/c2
c1 <- format(c1, width = 38L)
c2 <- format(c2,
width = 13L + max(0, (nd - 3L)) * 4L, justify = "right"
)
# create character matrix
M <- cbind(c1, c2, deparse.level = 0)
colnames(M) <- rep("", ncol(M))
rownames(M) <- rep(" ", nrow(M))
# print
write.table(M, row.names = TRUE, col.names = FALSE, quote = FALSE)
#TDJ: Message for lavaan.mi-class objects when df > 1000 for t test
if (isTRUE(attr(x, "infDF"))) {
cat(c("\n Pooled t statistics with df >= 1000 are displayed with",
"\n df = Inf(inity) to save space. Although the t distribution",
"\n with large df closely approximates a standard normal",
"\n distribution, exact df for reporting these t tests can be",
"\n obtained from parameterEstimates.mi() \n\n"), sep = "")
}
}
}
# number of groups
if (is.null(x$group)) {
ngroups <- 1L
x$group <- rep(1L, length(x$lhs))
} else {
ngroups <- lav_partable_ngroups(x)
}
# number of levels
if (is.null(x$level)) {
nlevels <- 1L
x$level <- rep(1L, length(x$lhs))
} else {
nlevels <- lav_partable_nlevels(x)
}
# block column
if (is.null(x$block)) {
x$block <- rep(1L, length(x$lhs))
}
# step column (SAM)
# if(!is.null(x$step)) {
# tmp.LABEL <- rep("", length(x$lhs))
# p1.idx <- which(x$step == 1L)
# p2.idx <- which(x$step == 2L)
# tmp.LABEL[p1.idx] <- "1"
# tmp.LABEL[p2.idx] <- "2"
#
# if(is.null(x$label)) {
# x$label <- tmp.LABEL
# } else {
# x$label <- paste(x$label, tmp.LABEL, sep = "")
# }
#
# x$step <- NULL
# }
# round to 3 digits after the decimal point
y <- as.data.frame(
lapply(x, function(x) {
if (is.integer(x)) {
sprintf(int.format, x)
} else if (is.numeric(x)) {
sprintf(num.format, x)
} else {
x
}
}),
stringsAsFactors = FALSE
)
# always remove /block/level/group/op/rhs/label/exo columns
y$op <- y$group <- y$rhs <- y$label <- y$exo <- NULL
y$block <- y$level <- NULL
y$efa <- NULL
# if standardized, remove std.nox column (space reasons only)
# unless, std.all is already removed
if (!is.null(y$std.all)) {
y$std.nox <- NULL
}
# convert to character matrix
m <- as.matrix(format.data.frame(y,
na.encode = FALSE,
justify = "right"
))
# use empty row names
rownames(m) <- rep("", nrow(m))
# handle se == 0.0
if (!is.null(x$se)) {
se.idx <- which(x$se == 0)
if (length(se.idx) > 0L) {
m[se.idx, "se"] <- ""
if (!is.null(x$z)) {
m[se.idx, "z"] <- ""
}
if (!is.null(x$pvalue)) {
m[se.idx, "pvalue"] <- ""
}
## for lavaan.mi-class objects (semTools)
if (!is.null(x$t)) {
m[se.idx, "t"] <- ""
}
if (!is.null(x$df)) {
m[se.idx, "df"] <- ""
}
}
# handle se == NA
se.idx <- which(is.na(x$se))
if (length(se.idx) > 0L) {
if (!is.null(x$z)) {
m[se.idx, "z"] <- ""
}
if (!is.null(x$pvalue)) {
m[se.idx, "pvalue"] <- ""
}
## for lavaan.mi-class objects (semTools)
if (!is.null(x$t)) {
m[se.idx, "t"] <- ""
}
if (!is.null(x$df)) {
m[se.idx, "df"] <- ""
}
}
}
# handle lower/upper boundary points
if (!is.null(x$lower)) {
b.idx <- which(abs(x$lower - x$est) < sqrt(.Machine$double.eps) &
(is.na(x$se) | (is.finite(x$se) & x$se != 0.0)))
if (length(b.idx) > 0L && !is.null(x$pvalue)) {
m[b.idx, "pvalue"] <- ""
if (is.null(x$label)) {
x$label <- rep("", length(x$lhs))
}
x$label[b.idx] <- ifelse(nchar(x$label[b.idx]) > 0L,
paste(x$label[b.idx], "+lb", sep = ""),
"lb"
)
}
# remove lower column
m <- m[, colnames(m) != "lower"]
}
if (!is.null(x$upper)) {
b.idx <- which(abs(x$upper - x$est) < sqrt(.Machine$double.eps) &
is.finite(x$se) & x$se != 0.0)
if (length(b.idx) > 0L && !is.null(x$pvalue)) {
m[b.idx, "pvalue"] <- ""
if (is.null(x$label)) {
x$label <- rep("", length(x$lhs))
}
x$label[b.idx] <- ifelse(nchar(x$label[b.idx]) > 0L,
paste(x$label[b.idx], "+ub", sep = ""),
"ub"
)
}
# remove upper column
m <- m[, colnames(m) != "upper"]
}
# handle fmi
if (!is.null(x$fmi)) {
se.idx <- which(x$se == 0)
if (length(se.idx) > 0L) {
m[se.idx, "fmi"] <- ""
## for lavaan.mi-class objects (semTools)
if (!is.null(x$riv)) m[se.idx, "riv"] <- ""
}
not.idx <- which(x$op %in% c(":=", "<", ">", "=="))
if (length(not.idx) > 0L) {
if (!is.null(x$fmi)) {
m[not.idx, "fmi"] <- ""
## for lavaan.mi-class objects (semTools)
if (!is.null(x$riv)) m[not.idx, "riv"] <- ""
}
}
}
# for blavaan, handle Post.SD and PSRF
if (!is.null(x$Post.SD)) {
se.idx <- which(x$Post.SD == 0)
if (length(se.idx) > 0L) {
m[se.idx, "Post.SD"] <- ""
if (!is.null(x$psrf)) {
m[se.idx, "psrf"] <- ""
}
if (!is.null(x$PSRF)) {
m[se.idx, "PSRF"] <- ""
}
}
# handle psrf for defined parameters
not.idx <- which(x$op %in% c(":=", "<", ">", "=="))
if (length(not.idx) > 0L) {
if (!is.null(x$psrf)) {
m[not.idx, "psrf"] <- ""
}
if (!is.null(x$PSRF)) {
m[not.idx, "PSRF"] <- ""
}
}
}
# rename some column names
colnames(m)[colnames(m) == "lhs"] <- ""
colnames(m)[colnames(m) == "op"] <- ""
colnames(m)[colnames(m) == "rhs"] <- ""
colnames(m)[colnames(m) == "step"] <- "Step"
colnames(m)[colnames(m) == "est"] <- "Estimate"
colnames(m)[colnames(m) == "se"] <- "Std.Err"
colnames(m)[colnames(m) == "z"] <- "z-value"
colnames(m)[colnames(m) == "pvalue"] <- "P(>|z|)"
colnames(m)[colnames(m) == "std.lv"] <- "Std.lv"
colnames(m)[colnames(m) == "std.all"] <- "Std.all"
colnames(m)[colnames(m) == "std.nox"] <- "Std.nox"
colnames(m)[colnames(m) == "prior"] <- "Prior"
colnames(m)[colnames(m) == "fmi"] <- "FMI"
## for lavaan.mi-class objects (semTools)
if ("t" %in% colnames(m)) {
colnames(m)[colnames(m) == "t"] <- "t-value"
colnames(m)[colnames(m) == "P(>|z|)"] <- "P(>|t|)"
colnames(m)[colnames(m) == "riv"] <- "RIV"
}
# format column names
colnames(m) <- sprintf(char.format, colnames(m))
# exceptions for blavaan: Post.Mean (width = 9), Prior (width = 14)
if (!is.null(x$Post.Mean)) {
tmp <- gsub("[ \t]+", "", colnames(m), perl = TRUE)
# reformat "Post.Mean" column
col.idx <- which(tmp == "Post.Mean")
if (length(col.idx) > 0L) {
tmp.format <- paste("%", max(9, nd + 5), "s", sep = "")
colnames(m)[col.idx] <- sprintf(tmp.format, colnames(m)[col.idx])
m[, col.idx] <- sprintf(tmp.format, m[, col.idx])
}
# reformat "Prior" column
col.idx <- which(tmp == "Prior")
if (length(col.idx) > 0L) {
MAX <- max(nchar(m[, col.idx])) + 1L
tmp.format <- paste("%", max(MAX, nd + 5), "s", sep = "")
colnames(m)[col.idx] <- sprintf(tmp.format, colnames(m)[col.idx])
m[, col.idx] <- sprintf(tmp.format, m[, col.idx])
}
}
b <- 0L
# group-specific sections
for (g in 1:ngroups) {
# group header
if (ngroups > 1L) {
group.label <- attr(x, "group.label")
cat("\n\n")
cat("Group ", g, " [", group.label[g], "]:\n", sep = "")
}
for (l in 1:nlevels) {
# block number
b <- b + 1L
# ov/lv names
ov.names <- lavNames(x, "ov", block = b)
lv.names <- lavNames(x, "lv", block = b)
# level header
if (nlevels > 1L) {
level.label <- attr(x, "level.label")
cat("\n\n")
cat("Level ", l, " [", level.label[l], "]:\n", sep = "")
}
# group-specific sections
for (s in GSECTIONS) {
if (s == "Latent Variables") {
row.idx <- which(x$op == "=~" & !x$lhs %in% ov.names &
x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else if (s == "Composites") {
row.idx <- which(x$op == "<~" & x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else if (s == "Regressions") {
row.idx <- which(x$op == "~" & x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else if (s == "Covariances") {
row.idx <- which(x$op == "~~" & x$lhs != x$rhs & !x$exo &
x$block == b)
if (length(row.idx) == 0L) next
# make distinction between residual and plain
y.names <- unique(c(
lavNames(x, "eqs.y"),
lavNames(x, "ov.ind"),
lavNames(x, "lv.ind")
))
PREFIX <- rep("", length(row.idx))
PREFIX[x$rhs[row.idx] %in% y.names] <- " ."
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx],
PREFIX = PREFIX
)
# m[row.idx,1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else if (s == "Intercepts") {
row.idx <- which(x$op == "~1" & !x$exo & x$block == b)
if (length(row.idx) == 0L) next
# make distinction between intercepts and means
y.names <- unique(c(
lavNames(x, "eqs.y"),
lavNames(x, "ov.ind"),
lavNames(x, "lv.ind")
))
PREFIX <- rep("", length(row.idx))
PREFIX[x$lhs[row.idx] %in% y.names] <- " ."
m[row.idx, 1] <- .makeNames(x$lhs[row.idx], x$label[row.idx],
PREFIX = PREFIX
)
# m[row.idx,1] <- .makeNames(x$lhs[row.idx], x$label[row.idx])
} else if (s == "Thresholds") {
row.idx <- which(x$op == "|" & x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(paste(x$lhs[row.idx], "|",
x$rhs[row.idx],
sep = ""
), x$label[row.idx])
} else if (s == "Variances") {
row.idx <- which(x$op == "~~" & x$lhs == x$rhs & !x$exo &
x$block == b)
if (length(row.idx) == 0L) next
# make distinction between residual and plain
y.names <- unique(c(
lavNames(x, "eqs.y"),
lavNames(x, "ov.ind"),
lavNames(x, "lv.ind")
))
PREFIX <- rep("", length(row.idx))
PREFIX[x$rhs[row.idx] %in% y.names] <- " ."
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx],
PREFIX = PREFIX
)
} else if (s == "Scales y*") {
row.idx <- which(x$op == "~*~" & x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else if (s == "Group Weight") {
row.idx <- which(x$lhs == "group" & x$op == "%" & x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else if (s == "R-Square") {
row.idx <- which(x$op == "r2" & x$block == b)
if (length(row.idx) == 0L) next
m[row.idx, 1] <- .makeNames(x$rhs[row.idx], x$label[row.idx])
} else {
row.idx <- integer(0L)
}
# do we need special formatting for this section?
# three types:
# - regular (nothing to do, except row/colnames)
# - R-square
# - Latent Variables (and Composites), Regressions and Covariances
# 'bundle' the output per lhs element
# bundling
if (s %in% c(
"Latent Variables", "Composites",
"Regressions", "Covariances"
)) {
nel <- length(row.idx)
M <- matrix("", nrow = nel * 2, ncol = ncol(m))
colnames(M) <- colnames(m)
rownames(M) <- rep("", NROW(M))
# colnames(M)[1] <- sprintf("%-17s", paste(s, ":", sep = ""))
if (is.null(x$efa)) {
LHS <- paste(x$lhs[row.idx], x$op[row.idx])
} else {
LHS <- paste(
x$lhs[row.idx], x$op[row.idx],
x$efa[row.idx]
)
}
lhs.idx <- seq(1, nel * 2L, 2L)
rhs.idx <- seq(1, nel * 2L, 2L) + 1L
if (s == "Covariances") {
# make distinction between residual and plain
y.names <- unique(c(
lavNames(x, "eqs.y"),
lavNames(x, "ov.ind"),
lavNames(x, "lv.ind")
))
PREFIX <- rep("", length(row.idx))
PREFIX[x$lhs[row.idx] %in% y.names] <- "."
} else {
PREFIX <- rep("", length(LHS))
}
M[lhs.idx, 1] <- sprintf("%1s%-15s", PREFIX, LHS)
M[rhs.idx, ] <- m[row.idx, ]
# avoid duplicated LHS labels
if (nel > 1L) {
del.idx <- integer(0)
old.lhs <- ""
for (i in 1:nel) {
if (LHS[i] == old.lhs) {
del.idx <- c(del.idx, lhs.idx[i])
}
old.lhs <- LHS[i]
}
if (length(del.idx) > 0L) {
M <- M[-del.idx, , drop = FALSE]
}
}
cat("\n", s, ":\n", sep = "")
# cat("\n")
print(M, quote = FALSE)
# R-square
} else if (s == "R-Square") {
M <- m[row.idx, 1:2, drop = FALSE]
colnames(M) <- colnames(m)[1:2]
rownames(M) <- rep("", NROW(M))
# colnames(M)[1] <- sprintf("%-17s", paste(s, ":", sep = ""))
cat("\n", s, ":\n", sep = "")
# cat("\n")
print(M, quote = FALSE)
# Regular
} else {
# M <- rbind(matrix("", nrow = 1L, ncol = ncol(m)),
# m[row.idx,])
M <- m[row.idx, , drop = FALSE]
colnames(M) <- colnames(m)
rownames(M) <- rep("", NROW(M))
# colnames(M)[1] <- sprintf("%-17s", paste(s, ":", sep = ""))
cat("\n", s, ":\n", sep = "")
# cat("\n")
print(M, quote = FALSE)
}
} # GSECTIONS
} # levels
} # groups
# asections
for (s in ASECTIONS) {
if (s == "Defined Parameters") {
row.idx <- which(x$op == ":=")
m[row.idx, 1] <- .makeNames(x$lhs[row.idx], "")
M <- m[row.idx, , drop = FALSE]
colnames(M) <- colnames(m)
} else if (s == "Constraints") {
row.idx <- which(x$op %in% c("==", "<", ">"))
if (length(row.idx) == 0) next
m[row.idx, 1] <- .makeConNames(x$lhs[row.idx], x$op[row.idx],
x$rhs[row.idx],
nd = nd
)
m[row.idx, 2] <- sprintf(num.format, abs(x$est[row.idx]))
M <- m[row.idx, 1:2, drop = FALSE]
colnames(M) <- c("", sprintf(char.format, "|Slack|"))
} else {
row.idx <- integer(0L)
}
if (length(row.idx) == 0L) {
next
}
rownames(M) <- rep("", NROW(M))
# colnames(M)[1] <- sprintf("%-17s", paste(s, ":", sep = ""))
# cat("\n")
cat("\n", s, ":\n", sep = "")
print(M, quote = FALSE)
}
cat("\n")
invisible(m)
}
.makeNames <- function(NAMES, LABELS, PREFIX = NULL) {
W <- 14
if (is.null(PREFIX)) {
PREFIX <- rep("", length(NAMES))
}
multiB <- FALSE
if (any(nchar(NAMES) != nchar(NAMES, "bytes"))) {
multiB <- TRUE
}
if (any(nchar(LABELS) != nchar(LABELS, "bytes"))) {
multiB <- TRUE
}
# labels?
l.idx <- which(nchar(LABELS) > 0L)
if (length(l.idx) > 0L) {
if (!multiB) {
LABELS <- abbreviate(LABELS, 4)
LABELS[l.idx] <- paste(" (", LABELS[l.idx], ")", sep = "")
MAX.L <- max(nchar(LABELS))
NAMES <- abbreviate(NAMES,
minlength = (W - MAX.L),
strict = TRUE
)
} else {
# do not abbreviate anything (eg in multi-byte locales)
MAX.L <- 4L
}
NAMES <- sprintf(paste("%-", (W - MAX.L), "s%", MAX.L, "s",
sep = ""
), NAMES, LABELS)
} else {
if (!multiB) {
NAMES <- abbreviate(NAMES, minlength = W, strict = TRUE)
} else {
NAMES <- sprintf(paste("%-", W, "s", sep = ""), NAMES)
}
}
char.format <- paste("%3s%-", W, "s", sep = "")
sprintf(char.format, PREFIX, NAMES)
}
.makeConNames <- function(lhs, op, rhs, nd) {
nd <- max(nd, 3)
W <- 41 + (nd - 3) * 3
nel <- length(lhs)
if (length(nel) == 0L) {
return(character(0))
}
NAMES <- character(nel)
for (i in 1:nel) {
if (rhs[i] == "0" && op[i] == ">") {
con.string <- paste(lhs[i], " - 0", sep = "")
} else if (rhs[i] == "0" && op[i] == "<") {
con.string <- paste(rhs[i], " - (", lhs[i], ")", sep = "")
} else if (rhs[i] != "0" && op[i] == ">") {
con.string <- paste(lhs[i], " - (", rhs[i], ")", sep = "")
} else if (rhs[i] != "0" && op[i] == "<") {
con.string <- paste(rhs[i], " - (", lhs[i], ")", sep = "")
} else if (rhs[i] == "0" && op[i] == "==") {
con.string <- paste(lhs[i], " - 0", sep = "")
} else if (rhs[i] != "0" && op[i] == "==") {
con.string <- paste(lhs[i], " - (", rhs[i], ")", sep = "")
}
con.string <- abbreviate(con.string, W, strict = TRUE)
char.format <- paste(" %-", W, "s", sep = "")
NAMES[i] <- sprintf(char.format, con.string)
}
NAMES
}
summary.lavaan.fsr <- function(object, ...) {
dotdotdot <- list(...)
if (!is.null(dotdotdot$nd)) {
nd <- dotdotdot$nd
} else {
nd <- 3L
}
print.lavaan.fsr(x = object, nd = nd, mm = TRUE, struc = TRUE)
}
print.lavaan.fsr <- function(x, ..., nd = 3L, mm = FALSE, struc = FALSE) {
y <- unclass(x)
# print header
if (!is.null(y$header)) {
cat(y$header)
cat("\n")
}
if (mm && !is.null(y$MM.FIT)) {
cat("\n")
nblocks <- length(y$MM.FIT)
for (b in seq_len(nblocks)) {
cat(
"Measurement block for latent variable(s):",
paste(lavNames(y$MM.FIT[[b]], "lv")), "\n"
)
# fit measures?
b.options <- lavInspect(y$MM.FIT[[b]], "options")
if (!(length(b.options$test) == 1L && b.options$test == "none")) {
cat("\n")
print(fitMeasures(y$MM.FIT[[b]], c("chisq", "df", "pvalue", "cfi", "rmsea", "srmr")))
}
# parameter estimates
PE <- parameterEstimates(y$MM.FIT[[b]],
ci = FALSE,
output = "text", header = TRUE
)
print.lavaan.parameterEstimates(PE, ..., nd = nd)
cat("\n")
}
}
# print PE
if (struc) {
cat("Structural Part\n")
cat("\n")
print(summary(y$STRUC.FIT,
fit.measures = FALSE, estimates = FALSE,
modindices = FALSE
))
FIT <- fitMeasures(y$STRUC.FIT, fit.measures = "default")
if (FIT["df"] > 0) {
print.lavaan.fitMeasures(FIT, add.h0 = FALSE)
}
}
PE <- parameterEstimates(y$STRUC.FIT,
ci = FALSE,
remove.eq = FALSE, remove.system.eq = TRUE,
remove.ineq = FALSE, remove.def = FALSE,
remove.nonfree = FALSE, remove.unused = TRUE,
output = "text", header = TRUE
)
print.lavaan.parameterEstimates(PE, ..., nd = nd)
invisible(y)
}
# new in 0.6-12
print.lavaan.summary <- function(x, ..., nd = 3L) {
y <- unclass(x) # change to ordinary list
# get nd, if it is stored as an attribute
ND <- attr(y, "nd")
if (!is.null(ND) && is.numeric(ND)) {
nd <- as.integer(ND)
}
# header
if (!is.null(y$header)) {
lavaan.version <- y$header$lavaan.version
sam.approach <- y$header$sam.approach
optim.method <- y$header$optim.method
optim.iterations <- y$header$optim.iterations
optim.converged <- y$header$optim.converged
# sam or sem?
if (sam.approach) {
cat("This is ",
sprintf("lavaan %s", lavaan.version),
" -- using the SAM approach to SEM\n",
sep = ""
)
} else {
cat(sprintf("lavaan %s ", lavaan.version))
# Convergence or not?
if (optim.method == "none") {
cat("-- DRY RUN with 0 iterations --\n")
} else if (optim.iterations > 0) {
if (optim.converged) {
if (optim.iterations == 1L) {
cat("ended normally after 1 iteration\n")
} else {
cat(sprintf(
"ended normally after %i iterations\n",
optim.iterations
))
}
} else {
if (optim.iterations == 1L) {
cat("did NOT end normally after 1 iteration\n")
} else {
cat(sprintf(
"did NOT end normally after %i iterations\n",
optim.iterations
))
}
cat("** WARNING ** Estimates below are most likely unreliable\n")
}
} else {
cat("did not run (perhaps do.fit = FALSE)?\n")
cat("** WARNING ** Estimates below are simply the starting values\n")
}
}
}
#TDJ: print header for lavaan.mi object (or nothing when NULL)
cat(y$top_of_lavaanmi)
# optim
if (!is.null(y$optim)) {
estimator <- y$optim$estimator
estimator.args <- y$optim$estimator.args
optim.method <- y$optim$optim.method
npar <- y$optim$npar
eq.constraints <- y$optim$eq.constraints
nrow.ceq.jac <- y$optim$nrow.ceq.jac
nrow.cin.jac <- y$optim$nrow.cin.jac
nrow.con.jac <- y$optim$nrow.con.jac
con.jac.rank <- y$optim$con.jac.rank
cat("\n")
# cat("Optimization information:\n\n")
c1 <- c("Estimator")
# second column
tmp.est <- toupper(estimator)
if (tmp.est == "DLS") {
dls.first.letter <- substr(
estimator.args$dls.GammaNT,
1L, 1L
)
tmp.est <- paste("DLS-", toupper(dls.first.letter), sep = "")
}
c2 <- tmp.est
# additional estimator args
if (!is.null(estimator.args) &&
length(estimator.args) > 0L) {
if (estimator == "DLS") {
c1 <- c(c1, "Estimator DLS value for a")
c2 <- c(c2, estimator.args$dls.a)
}
}
# optimization method + npar
c1 <- c(c1, "Optimization method", "Number of model parameters")
c2 <- c(c2, toupper(optim.method), npar)
# optional output
if (eq.constraints) {
c1 <- c(c1, "Number of equality constraints")
c2 <- c(c2, nrow.ceq.jac)
}
if (nrow.cin.jac > 0L) {
c1 <- c(c1, "Number of inequality constraints")
c2 <- c(c2, nrow.cin.jac)
}
if (nrow.con.jac > 0L) {
if (con.jac.rank == (nrow.ceq.jac + nrow.cin.jac)) {
# nothing to do (don't print, as this is redundant information)
} else {
c1 <- c(c1, "Row rank of the constraints matrix")
c2 <- c(c2, con.jac.rank)
}
}
# format
c1 <- format(c1, width = 40L)
c2 <- format(c2,
width = 11L + max(0, (nd - 3L)) * 4L,
justify = "right"
)
# character matrix
M <- cbind(c1, c2, deparse.level = 0)
colnames(M) <- rep("", ncol(M))
rownames(M) <- rep(" ", nrow(M))
# print
write.table(M, row.names = TRUE, col.names = FALSE, quote = FALSE)
}
# sam header
if (!is.null(y$sam.header)) {
cat("\n")
sam.method <- y$sam.header$sam.method
sam.local.options <- y$sam.header$sam.local.options
sam.mm.list <- y$sam.header$sam.mm.list
sam.mm.estimator <- y$sam.header$sam.mm.estimator
sam.struc.estimator <- y$sam.header$sam.struc.estimator
# sam method
c1 <- c("SAM method")
c2 <- toupper(sam.method)
# options
if (sam.method == "local") {
c1 <- c(c1, "Mapping matrix M method")
c2 <- c(c2, sam.local.options$M.method)
# TODo: more!
}
# number of measurement blocks
c1 <- c(c1, "Number of measurement blocks")
c2 <- c(c2, length(sam.mm.list))
# estimator measurement blocks
c1 <- c(c1, "Estimator measurement part")
c2 <- c(c2, sam.mm.estimator)
# estimator structural part
c1 <- c(c1, "Estimator structural part")
c2 <- c(c2, sam.struc.estimator)
# format
c1 <- format(c1, width = 40L)
c2 <- format(c2,
width = 11L + max(0, (nd - 3L)) * 4L,
justify = "right"
)
# character matrix
M <- cbind(c1, c2, deparse.level = 0)
colnames(M) <- rep("", ncol(M))
rownames(M) <- rep(" ", nrow(M))
# print
write.table(M, row.names = TRUE, col.names = FALSE, quote = FALSE)
}
# efa/rotation
if (!is.null(y$rotation)) {
cat("\n")
rotation <- y$rotation
rotation.args <- y$rotation.args
# cat("Rotation information:\n\n")
# container
c1 <- c2 <- character(0L)
# rotation method
c1 <- c(c1, "Rotation method")
if (rotation$rotation == "none") {
MM <- toupper(rotation$rotation)
} else if (rotation$rotation.args$orthogonal) {
MM <- paste(toupper(rotation$rotation), " ", "ORTHOGONAL",
sep = ""
)
} else {
MM <- paste(toupper(rotation$rotation), " ", "OBLIQUE",
sep = ""
)
}
c2 <- c(c2, MM)
if (rotation$rotation != "none") {
# method options
if (rotation$rotation == "geomin") {
c1 <- c(c1, "Geomin epsilon")
c2 <- c(c2, rotation$rotation.args$geomin.epsilon)
} else if (rotation$rotation == "orthomax") {
c1 <- c(c1, "Orthomax gamma")
c2 <- c(c2, rotation$rotation.args$orthomax.gamma)
} else if (rotation$rotation == "cf") {
c1 <- c(c1, "Crawford-Ferguson gamma")
c2 <- c(c2, rotation$rotation.args$cf.gamma)
} else if (rotation$rotation == "oblimin") {
c1 <- c(c1, "Oblimin gamma")
c2 <- c(c2, rotation$rotation.args$oblimin.gamma)
} else if (rotation$rotation == "promax") {
c1 <- c(c1, "Promax kappa")
c2 <- c(c2, rotation$rotation.args$promax.kappa)
}
# rotation algorithm
c1 <- c(c1, "Rotation algorithm (rstarts)")
tmp <- paste(toupper(rotation$rotation.args$algorithm),
" (", rotation$rotation.args$rstarts, ")",
sep = ""
)
c2 <- c(c2, tmp)
# Standardized metric (or not)
c1 <- c(c1, "Standardized metric")
if (rotation$rotation.args$std.ov) {
c2 <- c(c2, "TRUE")
} else {
c2 <- c(c2, "FALSE")
}
# Row weights
c1 <- c(c1, "Row weights")
tmp.txt <- rotation$rotation.args$row.weights
c2 <- c(c2, paste(toupper(substring(tmp.txt, 1, 1)),
substring(tmp.txt, 2),
sep = ""
))
}
# format c1/c2
c1 <- format(c1, width = 33L)
c2 <- format(c2,
width = 18L + max(0, (nd - 3L)) * 4L,
justify = "right"
)
# create character matrix
M <- cbind(c1, c2, deparse.level = 0)
colnames(M) <- rep("", ncol(M))
rownames(M) <- rep(" ", nrow(M))
# print
write.table(M, row.names = TRUE, col.names = FALSE, quote = FALSE)
}
# data object
if (!is.null(y$data)) {
cat("\n")
lav_data_print_short(y$data, nd = nd)
}
# sam local stats: measurement blocks + structural part
if (!is.null(y$sam)) {
cat("\n")
sam.method <- y$sam$sam.method
sam.mm.table <- y$sam$sam.mm.table
sam.mm.rel <- y$sam$sam.mm.rel
sam.struc.fit <- y$sam$sam.struc.fit
ngroups <- y$sam$ngroups
nlevels <- y$sam$nlevels
group.label <- y$sam$group.label
level.label <- y$sam$level.label
block.label <- y$sam$block.label
# measurement
tmp <- sam.mm.table
if (sam.method == "global") {
cat("Summary Information Measurement Part:\n\n")
} else {
cat("Summary Information Measurement + Structural:\n\n")
}
print(tmp, row.names = rep(" ", nrow(tmp)), nd = nd)
if (sam.method == "local") {
# reliability information
c1 <- c2 <- character(0L)
if (ngroups == 1L && nlevels == 1L) {
cat("\n")
cat(" Model-based reliability latent variables:\n\n")
tmp <- data.frame(as.list(sam.mm.rel[[1]]))
class(tmp) <- c("lavaan.data.frame", "data.frame")
print(tmp, row.names = rep(" ", nrow(tmp)), nd = nd)
} else if (ngroups > 1L && nlevels == 1L) {
cat("\n")
cat(" Model-based reliability latent variables (per group):\n")
for (g in 1:ngroups) {
cat("\n")
cat(" Group ", g, " [", group.label[g], "]:\n\n",
sep = ""
)
tmp <- data.frame(as.list(sam.mm.rel[[g]]))
class(tmp) <- c("lavaan.data.frame", "data.frame")
print(tmp, row.names = rep(" ", nrow(tmp)), nd = nd)
}
} else if (ngroups == 1L && nlevels > 1L) {
cat("\n")
cat(" Model-based reliability latent variables (per level):\n")
for (g in 1:nlevels) {
cat("\n")
cat(" Level ", g, " [", level.label[g], "]:\n\n",
sep = ""
)
tmp <- data.frame(as.list(sam.mm.rel[[g]]))
class(tmp) <- c("lavaan.data.frame", "data.frame")
print(tmp, row.names = rep(" ", nrow(tmp)), nd = nd)
}
} else if (ngroups > 1L && nlevels > 1L) {
cat("\n")
cat(" Model-based reliability latent variables (per group/level):\n")
for (g in 1:length(block.label)) {
cat("\n")
cat(" Group/Level ", g, " [", block.label[g], "]:\n\n",
sep = ""
)
tmp <- data.frame(as.list(sam.mm.rel[[g]]))
class(tmp) <- c("lavaan.data.frame", "data.frame")
print(tmp, row.names = rep(" ", nrow(tmp)), nd = nd)
}
}
cat("\n")
cat(" Summary Information Structural part:\n\n")
tmp <- data.frame(as.list(sam.struc.fit))
class(tmp) <- c("lavaan.data.frame", "data.frame")
print(tmp, row.names = rep(" ", nrow(tmp)), nd = nd)
}
}
# test statistics
if (!is.null(y$test)) {
cat("\n")
lav_test_print(y$test, nd = nd)
}
# extra fit measures (if present)
if (!is.null(y$fit)) {
add.h0 <- FALSE
if (!is.null(attr(y$fit, "add.h0"))) {
add.h0 <- isTRUE(attr(y$fit, "add.h0"))
}
print.lavaan.fitMeasures(y$fit, nd = nd, add.h0 = add.h0)
}
# efa output
if (!is.null(y$efa)) {
# get cutoff, if it is stored as an attribute
CT <- attr(y, "cutoff")
if (!is.null(CT) && is.numeric(CT)) {
cutoff <- CT
} else {
cutoff <- 0.3
}
# get dot.cutoff, if it is stored as an attribute
DC <- attr(y, "dot.cutoff")
if (!is.null(DC) && is.numeric(DC)) {
dot.cutoff <- DC
} else {
dot.cutoff <- 0.1
}
# get alpha.level, if it is stored as an attribute
AL <- attr(y, "alpha.level")
if (!is.null(AL) && is.numeric(AL)) {
alpha.level <- AL
} else {
alpha.level <- 0.01
}
for (b in seq_len(y$efa$nblocks)) {
if (length(y$efa$block.label) > 0L) {
cat("\n\n")
cat(y$efa$block.label[[b]], ":\n\n", sep = "")
}
if (!is.null(y$efa$lambda[[b]])) {
cat("\n")
if (!is.null(y$efa$lambda.se[[b]]) && alpha.level > 0) {
cat("Standardized loadings: (* = significant at ",
round(alpha.level * 100),
"% level)\n\n",
sep = ""
)
} else {
cat("Standardized loadings:\n\n")
}
LAMBDA <- unclass(y$efa$lambda[[b]])
THETA <- unname(unclass(y$efa$theta[[b]]))
lav_print_loadings(LAMBDA,
nd = nd, cutoff = cutoff,
dot.cutoff = dot.cutoff,
alpha.level = alpha.level,
resvar = THETA, # diag elements only
x.se = y$efa$lambda.se[[b]]
)
}
if (!is.null(y$efa$sumsq.table[[b]])) {
cat("\n")
print(y$efa$sumsq.table[[b]], nd = nd)
}
# factor correlations:
if (!y$efa$orthogonal && !is.null(y$efa$psi[[b]]) &&
ncol(y$efa$psi[[b]]) > 1L) {
cat("\n")
if (!is.null(y$efa$psi.se[[b]]) && alpha.level > 0) {
cat("Factor correlations: (* = significant at ",
round(alpha.level * 100),
"% level)\n\n",
sep = ""
)
} else {
cat("Factor correlations:\n\n")
}
lav_print_psi(y$efa$psi[[b]],
nd = nd,
alpha.level = alpha.level,
x.se = y$efa$psi.se[[b]]
)
}
# factor score determinacy (for regression scores only!)
if (!is.null(y$efa$fs.determinacy[[b]])) {
cat("\n")
cat("Correlation regression factor scores and factors (determinacy):\n\n")
print(y$efa$fs.determinacy[[b]], nd = nd)
cat("\n")
cat("R2 regression factor scores (= squared correlations):\n\n")
tmp <- y$efa$fs.determinacy[[b]]
tmp2 <- tmp * tmp
class(tmp2) <- c("lavaan.vector", "numeric")
print(tmp2, nd = nd)
}
# lambda.structure
if (!is.null(y$efa$lambda.structure[[b]])) {
cat("\n")
cat("Standardized structure (= LAMBDA %*% PSI):\n\n")
print(y$efa$lambda.structure[[b]], nd = nd)
}
# standard errors lambda
if (!is.null(y$efa$theta.se[[b]])) { # we check for theta.se
# as lambda.se is needed for '*'
cat("\n")
cat("Standard errors standardized loadings:\n\n")
print(y$efa$lambda.se[[b]], nd = nd)
}
# z-statistics lambda
if (!is.null(y$efa$lambda.zstat[[b]])) {
cat("\n")
cat("Z-statistics standardized loadings:\n\n")
print(y$efa$lambda.zstat[[b]], nd = nd)
}
# pvalues lambda
if (!is.null(y$efa$lambda.pvalue[[b]])) {
cat("\n")
cat("P-values standardized loadings:\n\n")
print(y$efa$lambda.pvalue[[b]], nd = nd)
}
# standard errors theta
if (!is.null(y$efa$theta.se[[b]])) {
cat("\n")
cat("Standard errors unique variances:\n\n")
print(y$efa$theta.se[[b]], nd = nd)
}
# z-statistics theta
if (!is.null(y$efa$theta.zstat[[b]])) {
cat("\n")
cat("Z-statistics unique variances:\n\n")
print(y$efa$theta.zstat[[b]], nd = nd)
}
# pvalues theta
if (!is.null(y$efa$theta.pvalue[[b]])) {
cat("\n")
cat("P-values unique variances:\n\n")
print(y$efa$theta.pvalue[[b]], nd = nd)
}
# standard errors psi
if (!is.null(y$efa$theta.se[[b]])) { # we check for theta.se
# as psi.se is needed for '*'
cat("\n")
cat("Standard errors factor correlations:\n\n")
print(y$efa$psi.se[[b]], nd = nd)
}
# z-statistics psi
if (!is.null(y$efa$psi.zstat[[b]])) {
cat("\n")
cat("Z-statistics factor correlations:\n\n")
print(y$efa$psi.zstat[[b]], nd = nd)
}
# pvalues psi
if (!is.null(y$efa$psi.pvalue[[b]])) {
cat("\n")
cat("P-values factor correlations:\n\n")
print(y$efa$psi.pvalue[[b]], nd = nd)
}
} # blocks
cat("\n")
} # efa
# parameter table
if (!is.null(y$pe) && is.null(y$efa)) {
PE <- y$pe
class(PE) <- c(
"lavaan.parameterEstimates", "lavaan.data.frame",
"data.frame"
)
print(PE, nd = nd)
}
# modification indices
if (!is.null(y$mi)) {
cat("Modification Indices:\n\n")
MI <- y$mi
rownames(MI) <- NULL
print(MI, nd = nd)
}
invisible(y)
}
# helper function to print the loading matrix, masking small loadings
lav_print_loadings <- function(x, nd = 3L, cutoff = 0.3, dot.cutoff = 0.1,
alpha.level = 0.01, resvar = NULL, x.se = NULL) {
# unclass
y <- unclass(x)
# round, and create a character matriy
y <- format(round(y, nd), width = 3L + nd, justify = "right")
# right-align column names
colnames(y) <- format(colnames(y), width = 3L + nd, justify = "right")
# create dot/empty string
dot.string <- format(".", width = 3L + nd, justify = "right")
empty.string <- format(" ", width = 3L + nd)
# print a 'dot' if dot.cutoff < |loading| < cutoff
if (dot.cutoff < cutoff) {
y[abs(x) < cutoff & abs(x) > dot.cutoff] <- dot.string
}
# print nothing if |loading| < dot.cutoff
y[abs(x) < min(dot.cutoff, cutoff)] <- empty.string
# add 'star' for significant loadings (if provided) using alpha = 0.01
if (!is.null(x.se) && !any(is.na(x.se))) {
colNAMES <- colnames(y)
rowNAMES <- rownames(y)
x.se[x.se < sqrt(.Machine$double.eps)] <- 1 # to avoid NA
zstat <- x / x.se
z.cutoff <- qnorm(1 - (alpha.level / 2))
zstat.string <- ifelse(abs(zstat) > z.cutoff, "*", " ")
y <- matrix(paste(y, zstat.string, sep = ""), nrow(y), ncol(y))
colnames(y) <- colNAMES
rownames(y) <- rowNAMES
}
# add resvar
if (!is.null(resvar)) {
NAMES <- colnames(y)
y <- cbind(y, format(round(cbind(resvar, 1 - resvar), nd),
width = 12L + nd, justify = "right"
))
resvar.names <- format(c("unique.var", "communalities"),
width = 12L + nd, justify = "right"
)
colnames(y) <- c(NAMES, resvar.names)
}
# print
print(y, quote = FALSE)
}
# helper function to print the psi matrix, showing signif stars
lav_print_psi <- function(x, nd = 3L, alpha.level = 0.01, x.se = NULL) {
# unclass
y <- unclass(x)
# round, and create a character matriy
y <- format(round(y, nd), width = 3L + nd, justify = "right")
# right-align column names
colnames(y) <- format(colnames(y), width = 3L + nd, justify = "right")
# add 'star' for significant loadings (if provided) using alpha = 0.01
if (!is.null(x.se) && !any(is.na(x.se))) {
colNAMES <- colnames(y)
rowNAMES <- rownames(y)
x.se[x.se < sqrt(.Machine$double.eps)] <- 1 # to avoid NA
zstat <- x / x.se
z.cutoff <- qnorm(1 - (alpha.level / 2))
zstat.string <- ifelse(abs(zstat) > z.cutoff, "*", " ")
y <- matrix(paste(y, zstat.string, sep = ""), nrow(y), ncol(y))
colnames(y) <- colNAMES
rownames(y) <- rowNAMES
}
# remove upper part
ll <- upper.tri(x, diag = FALSE)
y[ll] <- ""
# print
print(y, quote = FALSE)
}
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