Displaying 1 result from an estimated 1 matches for "tumourexp".
2009 Dec 17
1
Help with Merge - unexpected loss of factor level
...once the final merge occurs, the second level of this factor seems to disappear in the last dataset, even though it was present before.
See code & output below:
> dim(tma)
> names(tma)
[1] "Code" "marker" "cell" "tumourA" "tumourEXP" "int" "stain" "tumourPERC" "branch"
> levels(tma$tumourA)
[1] "DCIS" "LN Metastasis" "Normal" "Primary Invasive Carcinoma"
#split into cancer...