Hi guys I am trying to add all the elements of a matrix in one step
The matrix is as follows:
ROWID | X | Y | Z |
A | 5 | 1 | 3 |
B | 3 | 3 | 3 |
C | 1 | 2 | 4 |
D | 3 | 3 | 1 |
R | 4 | 1 | 0 |
I wonder if I can use some scripting nodes because the number of colums may vary and I think is better to treat the matrix as a dataframe.
I used the node R Snippet but I got an error:
knime.in<-sum(knime.in)
knime.out <- knime.in
ERROR R Snippet 0:152 Execute failed: CODING PROBLEM importBufferedDataTable(): Supporting only 'data.frame', 'matrix' and 'list' for type of "knime.out" (was 'numeric').
Thank you