Displaying 1 result from an estimated 1 matches for "interparated".
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intergrated
2008 Feb 25
3
Logical statements and subseting data...
...n't seem to
correctly drop out this one observation, instead its dropping out far
more observations...
> t <- subset(raw.all.clean, Height.1 != 0 & Height.2 != 0)
> dim(t)
[1] 38150 10
Thus 7690 rows have been removed. It seems to be that the '&'
operator is being interparated as an 'OR' (|) since...
> dim(subset(raw.all.clean, Height.1 != 0))
[1] 42152 10
> dim(subset(raw.all.clean, Height.2 != 0))
[1] 41837 10
...and...
> dim(raw.all.clean) - dim(subset(raw.all.clean, Height.1 != 0))
[1] 3688 0
> dim(raw.all.clean) - dim(subset(raw.all.c...