Displaying 2 results from an estimated 2 matches for "datatframe".
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2000 Apr 10
2
Newbie: how to calculate group averagege?
Dear R-List,
I?m new in R, so I hope my question is not to primitive, but I haven?t
found a solution in the R-help. I?ve got a datatframe with 3 factors,
called xf (9 levels), yf (9 levels), zf (3 levels) and one variable
(rt):
> xf yf zf rt
> 1 1 1 67
> 1 1 1 56
> 1 1 1 60
[...]
> 1 1 2 58
> 1 1 2 61
[...]
> 9 1 1 62
> 9 1 1...
2009 Feb 14
2
implementing Grubbs outlier test on a large dataframe
Hi!
I'm trying to implement an outlier test once/row in a large dataframe.
Ideally, I'd do this then add the Pvalue results and the number flagged as
an outlier as two new separate columns to the dataframe. Grubbs outlier
test requires a vector and I'm confused how to make each row of my dataframe
a vector, followed by doing a Grubbs test for each row containing the vector
of numbers