[R] Package TM & dataframes

[David Winsemius]

On Jan 10, 2014, at 10:11 AM, ramoss wrote:

> Hi,
>
> I am trying to use the package TM on a dataframe & get the following  
> error:
>
> complaints <- tm_map(complaints, tolower)
> Error in UseMethod("tm_map", x) :
>  no applicable method for 'tm_map' applied to an object of class
> "data.frame"
>
> Tm doesn't work on dataframes?  My data frame consists of 1 text  
> variable
> containing customer complaints.  What do I have to change it to in  
> order to
> use the TM package for text mining?
>
> Thanks ahead for your help/thoughts.

As the Posting Guide says: Sometimes the appropriate answer is to  
direct you to the "manual". In this case ?tm::tm_map shows that the  
first argument is expected to be a corpus object.

--

David Winsemius, MD
Alameda, CA, USA