Nothing
gx.sm <-
function (xx, ifwarn = TRUE)
{
# Function to compute a matrix of robust ilr stabilities and median
# log-ratios, rejecting any of the input matrix containing NAs, and
# displaying the results to 3 significant figures.
#
# NOTE: Prior to using this function the data frame/matrix containing the
# variables, xx, must be run through ltdl.fix.df to convert any <dl -ve
# values to positive half that value, and set zero2na = TRUE if it is
# required to convert any zero values or other numeric codes representing
# blanks to NAs.
#
if (!is.matrix(xx))
stop(deparse(substitute(xx)), " is not a Matrix")
if(ifwarn) cat(" ** Are the data all in the same measurement units? **\n" )
temp.x <- remove.na(xx)
x <- temp.x$x
nx <- temp.x$m
r <- matrix(nrow = nx, ncol = nx)
dimnames(r)[[2]] <- dimnames(r)[[1]] <- dimnames(xx)[[2]]
for (i in 1:nx) {
for (j in 1:nx) {
if (j < i) r[j, i] <- ilr.stab(x[, i], x[, j], ifwarn = F)
if (j == i) r[i, j] <- NA
if (j > i) r[j, i] <- median(log(x[, i]/x[, j]))
}
}
r <- round(r, 3)
for (i in 1:temp.x$m) r[i, i] <- NA
cat(paste("Table of Robust ilr Stabilities and Medians of log-ratios,",
"\nin the upper and lower triangles, respectively,\nfor matrix ",
deparse(substitute(xx)), ", N = ", temp.x$n, "\n\n",
sep = ""))
print(r, na.print = " ")
cat("\n")
invisible()
}
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