Summing accross individuals

sentiment-analysis
#1

Dear R community,

Having performed a sentiment analysis on some papers, I got this dataframe, with sentiment scores at the sentence unit. I would like to sum these sentences to get article scores (accross element_ids).
Thank you very much in advance.
Etienne

sentiment_scores
element_id sentence_id word_count sentiment
1: 1 1 4 -0.25000000
2: 1 2 9 0.00000000
3: 1 3 37 -0.12329924
4: 1 4 48 0.04330127
5: 1 5 21 0.44734667


731: 28 9 18 0.16499158
732: 28 10 8 0.00000000
733: 28 11 7 0.09449112
734: 28 12 3 0.00000000
735: 28 13 16 0.12500000

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#2

Hi!

To help us help you, could you please prepare a reproducible example (reprex) illustrating your issue? Please have a look at this guide, to see how to create one:

Specifically in your case take a look at group_by + summarize functions in dplyr.

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#3

Hi, thank you very much, I found by myself !
But next time I'll provide a reprex for sure.

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