Tuesday, March 15, 2011

In R

I am sure all of you know this, but I want to check:
sqrt(2)*sqrt(2) is not 2 !!!!
Isn't strange ??
If this could happen in R, one may should pay attention (How much ??)
One more is : round(2.55,1) is 2.5 BUT round(2.5535,3) is 2.554 !!!
Regards
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