[R] R help

ruipbarradas at sapo.pt ruipbarradas at sapo.pt
Fri Aug 5 17:17:52 CEST 2016


Please use ?dput to post a data example. Use something like the  
following, where 'dat' is the name of your data.frame.

dput(head(dat, 30))  # paste the output of this in a mail

Hope this helps,

Rui Barradas

Citando Вова Грабарник <v.grabarnik at gmail.com>:

> Dear R command,
> I was wondering if I could ask you recommendations on my problem if that is
> fine with you.
> Basically, I have a data frame with 5 columns and 10 000 tweets
> recorded(rows). Those columns are: numberofatweet(number), tweet (actual
> textual tweet), locations(from where tweet sent), badwords(words that
> should not be used on twitter, that is just a column irrespective the
> number of a tweet and it contains only 80 rows with one word recorded in
> one cell.
> My question is whether it is possible to select only the rows which would
> contain such tweets, where in column "tweet"(actual text) there was one of
> those words from badwords column present. I tried to use grep and grepl,
> but nothing seems to be working.
> Thank you in advance,
> Vladimir
>         [[alternative HTML version deleted]]
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> PLEASE do read the posting guide  
> http://www.R-project.org/posting-guide.htmland provide commented,  
> minimal, self-contained, reproducible code.


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