Nothing
descTwoWay<-function(formula, data)
{
data <- model.frame(formula, data)
fml <-as.character(formula)
ftmp <- strsplit(fml,"~")
y <- as.vector(ftmp[[2]])
Factors <- strsplit(ftmp[[3]][1],"[*]")[[1]]
FacA <- strsplit(Factors[1], " ")[[1]][1] #Drop spaces
FacB <- strsplit(Factors[2], " ")[[1]][2]
InterFacAFacB <- paste(y,"~",FacB, sep = "")
if (!is.data.frame(data)) stop("Data must be in data.frame class.")
if(length(Factors)!=2) stop("Please correct the RHS of the formula. Formula must include two factors.")
if(!is.factor(data[,colnames(data)==FacA])) stop(paste(FacA, "must be a factor."))
if(!is.factor(data[,colnames(data)==FacB])) stop(paste(FacB, "must be a factor."))
if(!is.numeric(data[,colnames(data)==y])) stop(paste(y, "must be a numeric."))
FacA_levels <- levels(data[,colnames(data)==FacA])
out <- out2 <- NULL
for (i in FacA_levels){
out <- describe(as.formula(noquote(InterFacAFacB)), data = data[data[,colnames(data)==FacA]==i,])
Factors <- cbind(rep(i,dim(out)[1]),rownames(out))
colnames(Factors) <- c(FacA,FacB)
out2 <- rbind(out2, cbind(Factors,out))
out <- NULL
}
rownames(out2) <- NULL
return(out2)
}
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