search for: tp4651696p4651919

Displaying 1 result from an estimated 1 matches for "tp4651696p4651919".

2012 Dec 02
2
Change case of factor in data frame
I am trying to write a function to change the case of all of the text in a data frame to lower case. I do not have foreknowledge of the data frame names or the data types of each column. It seems that if one references the data frame by index, then it returns class "data.frame" but if it is referenced by name, it returns class "factor" or whatever the column actually is: