Hi,

I have 49 pairs in my data.frame 'data'

x       y
76      80
138     143
67      67
29      50
381     464
23      48
37      63
120     115

...  ...

how do I get a bootstrap sample of size n=50?

i have tried 
sample(data,size=50,replace=TRUE)
and
sample(data,replace=TRUE)

both didnt seem to work (the latter one only return me with 49 sample)

Thanks.

casper

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