Displaying 2 results from an estimated 2 matches for "10001_at".
2010 Aug 15
3
Rows index/colProds
...on to replace colProds that finds column-wise products of
a matrix?
Or is there any other function that would give a better solution this
problem ?
I have a matrix and an array, example:
> a
GSM1.CEL GSM2.CEL GSM1.CEL
10000_at 1 3 1
10001_at 3 3 3
> b
10000_at 10001_at
1 3
I want to find the number of occurrences of this array within the matrix
(which in this case is 2).
> a==b
gives me:
GSM1.CEL GSM2.CEL GSM1.CEL
10000_at TRUE FALSE...
2011 Aug 31
3
subsetting by rows
Dear all,
I would like to know how to subset a data.frame by rows.
Example:
Probesets 34884 34888 34892
1 100009676_at A A A
2 10001_at P P P
3 10002_at A A A
4 10003_at A A A
5 100048912_at P A A
For this data.frame I want to re...