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@u110
Created July 12, 2012 02:27
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大きさの違う行列の結合関数+よく使う処理メモ
add_zero_mtx<-function(df1,num,side=1){
if(side==1){
return(t(cbind(t(df1),data.frame(matrix(0,ncol=num)))))
}else{
return(t(cbind(data.frame(matrix(0,ncol=num)),t(df1))))
}
}
my_cbind<-function(df1,df2){
num<-abs(nrow(df1)-nrow(df2))
side<-1 # 最後にゼロ行列を追加
# side<-2 # 先頭にゼロ行列を追加
if (nrow(df1)>nrow(df2)){
return(cbind(df1, add_zero_mtx(df2,num,side)))
}
else if(nrow(df1)==nrow(df2)){
return(cbind(df1, df2))
}
else{
return(cbind(add_zero_mtx(df1,num,side), df2))
}
}
col.d<-intersect(r.d$HOGE,r.d$HOGE) # カラムごとに分割するために重複を取り除く
joinfunc <- function(d,col)
{
sub.d<-subset(d,d$HOGE==col[1])
i<-2
while(i < length(col)){
sub.d<-my_cbind(sub.d,subset(d,d$HOGE==col[i]) )
i<-i+1
}
return(sub.d)
}
rr.d<-joinfunc(r.d,col.d)
rrr.d<-t(rr.d) # 転置
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