[R] R2.11.1 seq.int difference between by and length.out

[Alexander]

I am working under R2.11.1 Windows and I was wondering why there is a
difference between

seq.int(0,1,by=0.1)[4]-0.3
seq.int(0,1,length.out=11)[4]-0.3 

there is also the fact that

seq(0,1,by=0.1)[4]-0.3
seq(0,1,length.out=11)[4]-0.3 

but I think this can be explained by floating precision... 

Alexander


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