ram basnet wrote:> I have very large data set. I want to make subset of data based on the
matching. For example,
>
>> x
> [1] "a" "b" "c" "f"
>
>> yy
>
> "a" "-0.761988113636315"
"-0.117672628171555" "-0.885641151614679"
> "b" "-1.13288279283289" "1.49472214344206"
"-1.99837287923763"
> "c" "-1.40091234602209" "-1.52648481863209"
"-0.965170583818188"
> "d" "0.555887401098017" "0.97145488124429"
"-0.591375965267432"
> "e" "-0.817496999999489" "0.598589864959733"
"-0.74697501001117"
> "f" "-1.59120505480671" "-1.67283394866541"
"0.664771975944383"
>
>> match(x,yy[,1])
> [1] 1 2 3 6
Not sure what you mean, with what you already have I guess you mean:
index <- match(x,yy[,1])
yynew <- yy[index,]
Uwe Ligges
> Now, i want to extract data of matching observataions between two subsets
(i.e. 1,2,3,6) and make a new subset.
>
> If some body has idea, then it will be great for me.
> Thanks in advanced.
>
> Ram Basnet.
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