Can you please help on the issue?
I using the apply command on a matrix below the example:
Create a vector
x =c(5, 3, 2:4, NA, 7, 3, 9, 2, 1, 5)
create a matrix of 2 rows by 6 columns
?b=matrix(x, 2,6)
?print(b)
? ? [,1] [,2] [,3] [,4] [,5] [,6]
[1,] ? ?5 ? ?2 ? ?4 ? ?7 ? ?9 ? ?1
[2,] ? ?3 ? ?3 ? NA ? ?3 ? ?2 ? ?5
using the command apply
?print(apply(b, 1, function(y) sort(y, na.last=F)))
the output is a matrix of 6 rows by 2 columns.
? ? [,1] [,2]
[1,] ? ?1 ? NA
[2,] ? ?2 ? ?2
[3,] ? ?4 ? ?3
[4,] ? ?5 ? ?3
[5,] ? ?7 ? ?3
[6,] ? ?9 ? ?5
As you can see in the example I start with a matrix of (2 by 6) and the
output of apply is a mtraxi of (6 by 2).
This is very strange because I was expecting as output a matrix of the same
dim (2 by 6) of the input matrix. I can solve this issues using an if
statment on the dim of the matrix but if I am using a square matrix I am not
able to control if the result of the apply is correct.
Do anyone find a solution to this issue?
thanks
Marco
? ? ? ?[[alternative HTML version deleted]]