Nothing
###{{{ RoundMat
RoundMat <- function(cc,digits = max(3, getOption("digits") - 2),na=TRUE,...) {
res <- format(round(cc,max(1,digits)),digits=digits)
if (na) return(res)
res[grep("NA",res)] <- ""
res
}
###}}} RoundMat
###{{{ multinomlogit
multinomlogit <- function(x,tr=exp,dtr=exp) {
n <- length(x)
ex <- tr(x)
dex <- dtr(x)
sx <- sum(ex)+1
f <- c(ex,1)
df <- c(dex,0)
res <- f/sx
dg <- -dex/sx^2
gradient <- matrix(ncol=n,nrow=n+1)
I <- diag(n+1)
for (i in seq_len(n)) {
gradient[,i] <- df[i]*I[i,]/sx+dg[i]*f
}
attributes(res)$gradient <- gradient
return(res)
}
###}}} multinomlogit
###{{{ grouptable
##' @export
grouptable <- function(data,id,group,var,lower=TRUE,
labels,order,
group.labels,group.order,
combine=" & ",...) {
if (!missing(order) || !missing(labels)) {
data[,var] <- as.factor(data[,var])
if (missing(order)) order <- seq(length(labels))
if (missing(labels)) labels <- levels(data[,var])
data[,var] <- factor(data[,var],levels(data[,var])[order],labels=labels[order])
}
wide <- fast.reshape(data,id=id,varying=-group)
res <- lapply(split(wide,wide[,group]),
function(x) {
M <- with(x, table(get(paste(var,"1",sep="")),
get(paste(var,"2",sep=""))))
if (lower) {
M[lower.tri(M)] <- M[lower.tri(M)]+M[upper.tri(M)]
M[upper.tri(M)] <- NA
}
return(M)
})
if (!missing(group.order) && length(group.order)==length(res))
res <- res[group.order]
if (!missing(group.labels) && length(group.labels)==length(res))
names(res) <- group.labels
if (length(res)==2 && !is.null(combine)) {
M <- res[[1]]
M[upper.tri(M)] <- res[[2]][lower.tri(res[[2]])]
diag(M) <- paste(diag(M),diag(res[[2]]),sep=combine)
M <- cbind(rownames(M),M)
M <- rbind(c("",rownames(M)),M)
colnames(M) <- rownames(M) <- rep("",nrow(M))
M[1,1] <- paste(names(res),collapse=combine)
return(structure(M,class="table"))
return(M);
}
res
}
###}}} grouptable
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