[R] Unlisting a nested dataset

[Ista Zahn]

Hi Nate,

You've made it pretty difficult to answer your question. Please see
https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
and follow some of the suggestions you find there to make it easier on
those who want to help you.

Best,
Ista
On Mon, Oct 15, 2018 at 10:56 PM Nathan Parsons
<nathan.f.parsons using gmail.com> wrote:
>
> I’m attempting to do some content analysis on a few million tweets, but I can’t seem to get them cleaned correctly.
>
> I’m trying to replicate the process outlined here: https://stackoverflow.com/questions/46734501/opposite-of-unnest-tokens
>
> My code:
>
> tweets %>%
> unnest_tokens(word, text, token = 'tweets') %>%
> filter(!word %in% stop_words$word) %>%
> nest(word) %>%
> mutate(text = map(data, unlist),
>          text = map_chr(text, paste, collapse = " ")) -> tweets
>
> Unfortunately, I keep getting:
>
> Error in mutate_impl(.data, dots) :
> Evaluation error: cannot coerce type 'closure' to vector of type 'character’.
>
> What am I doing wrong?
>
> Here’s what the dataset looks like:
>
> > glimpse(tweets)
> Observations: 389,253
> Variables: 12
> $ status_id "x1047841705729306624", "x1046966595610927105", "x104709...
> $ created_at "2018-10-04T13:31:45Z", "2018-10-02T03:34:22Z", "2018-10...
> $ text "Technique is everything with olympic lifts ! @ Body By ...
> $ lat 43.68359, 40.28412, 37.77066, 40.43139, 31.16889, 33.937...
> $ lng -70.32841, -83.07859, -122.43598, -79.98069, -100.07689,...
> $ county_name "Cumberland County", "Delaware County", "San Francisco C...
> $ fips 23005, 39041, 6075, 42003, 48095, 6037, 6037, 55073, 482...
> $ state_name "Maine", "Ohio", "California", "Pennsylvania", "Texas", ...
> $ state_abb "ME", "OH", "CA", "PA", "TX", "CA", "CA", "WI", "TX", "A...
> $ urban_level "Medium Metro", "Large Fringe Metro", "Large Central Met...
> $ urban_code 3, 2, 1, 1, 6, 1, 1, 4, 1, 3, 2, 2, 1, 3, 6, 1, 1, 2, 3,...
> $ population 277308, 184029, 830781, 1160433, 4160, 9509611, 9509611,...
>
> --
>
> Nate Parsons
> Pronouns: He, Him, His
> Graduate Teaching Assistant
> Department of Sociology
> Portland State University
> Portland, Oregon
>
> 503-725-9025
> 503-725-3957 FAX
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.