Naming array dimensions gives error: length of 'dimnames' not equal to array extent

arrays r dimensions names
ProbablePattern picture ProbablePattern · Jul 9, 2010 · Viewed 11.5k times · Source

This is my first time using a 3 dimensional array and I am having problems about naming the third dimension.

ReplicateData <- array(0, c(240, 500, 5), dimnames=list(NULL, NULL, c("Returns", "Replicates", "Asset Class")))

I am getting the error:

Length of dimnames not equal to array extent

This seems like it should be a simple issue but I can't find an explicit example in the help docs or online.

Answer

Jonathan Chang picture Jonathan Chang · Jul 9, 2010

The third dimension of your array is of extent 5, but the vector of names for that dimension is of length three.

Related questions

Convert a matrix to a 1 dimensional array

I have a matrix (32X48). How can I convert the matrix into a single dimensional array?

Read More
How to get mean, median, and other statistics over entire matrix, array or dataframe?

I know this is a basic question but for some strange reason I am unable to find an answer. How should I apply basic statistical functions like mean, median, etc. over entire array, matrix or dataframe to get unique answers …

Read More
Setting up a 3D matrix in R and accessing certain elements

I am trying to set up a 3D matrix in R. I guess this is an easy one. However, I didn't find a solution so far. Let's say we want to create a 365x6x4 matrix. Also crucial form me …

Read More