R/print.compareGroups.R

In compareGroups: Descriptive Analysis by Groups

print.compareGroups <-
function(x, digits=3, ...) {

  if(!inherits(x, "compareGroups"))
   stop("argument 'x' must be of class 'compareGroups'")

  yname<-attr(x,"yname")
  pval<-unlist(lapply(x, FUN=function(y) y$p.overall))
  nn<-unlist(lapply(x, FUN=function(y) y$sam["[ALL]"]))

  for (i in 1:length(x)){
    if (attr(x[[i]],"method")[1]=="Surv")
      attr(x[[i]],"method")[2]<-paste("[Tmax=",format2(as.double(attr(x[[i]],"method")[2])),"]",sep="")
  }

  method<-unlist(lapply(x, FUN=function(y) paste(attr(y,"method"),collapse=" ")))
  selec<-unlist(lapply(x, FUN=function(y) attr(y,"selec")))

  varnames<-names(x)
  sig.pval<-ifelse(pval<0.05,"**",ifelse(pval<0.1,"*",""))
  sig.pval<-ifelse(is.na(sig.pval),"",sig.pval)
  dd<-data.frame("var"=varnames,"N"=nn,"p.value"=pval,"method"=method,"selection"=I(selec))
  if (attr(x,"groups"))
    cat("\n\n-------- Summary of results by groups of '",yname,"'---------\n",sep="")
  else
    cat("\n\n-------- Summary of results ---------\n",sep="")  
  if (attr(x,"groups")){
    dd$p.value<-format2(dd$p.value,digits)
    dd$p.value<-ifelse(is.na(dd$p.value),".",dd$p.value)
    dd$p.value<-paste(dd$p.value,sig.pval,sep="")
  } else 
    dd$p.value<-NULL
  dd$selection<-ifelse(is.na(dd$selection),"ALL",dd$selection)
  rownames(dd)<-NULL
  dd<-format(dd,justify="left")
  cat("\n\n")
  print(as.matrix(dd), na.print="", quote=FALSE)
  if (attr(x,"groups")){
    cat("-----\n")
    cat("Signif. codes:  0 '**' 0.05 '*' 0.1 ' ' 1 \n\n")
  }
}