Displaying 2 results from an estimated 2 matches for "9.70625".
Did you mean:
69.70625
2008 Mar 20
2
Error in function (classes, fdef, mtable): unable to find an inherited method for function "indexProbes", for signature "exprSet", "character"
Hello Everyone,
I am writing programs in R from 7 months and I am able to solve most of the
errors/issues except for this current post.
My Task is to read a Microsoft Excel file(textE_to_affy.csv) which contains
the Microarray Expression Values collected from the Illumina Microarray
experiment. These collected intensity values need to be normalized(Rank
Invariant Normalization) by using the R
2005 May 30
3
sapply following using by with a list of factors
Background:
OS: Linux Mandrake 10.1
release: R 2.0.0
editor: GNU Emacs 21.3.2
front-end: ESS 5.2.3
---------------------------------
Colleagues
I am having some trouble extracting results from the function by, used to
average variables in a data.frame first by one factor (depth) and then by a
second factor (station). The real data.frame is quite large
> dim(data.2001)
[1] 32049 11
Here is a