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Questions tagged [tidytext]

The tidytext package provides tools for text mining using tidy data principles in R.

The R tidytext package, developed by Julia Silge and David Robinson, provides functions and supporting data sets to allow conversion of text to and from tidy formats, and to switch seamlessly between tidy tools and existing text mining packages. When text is in a tidy data structure, tools from the R tidyverse ecosystem like can be used for effective data handling and analysis.

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294 questions
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Splitting and grouping plain text (grouping text by chapter in dataframe)?

I have a data frame/tibble where I've imported a file of plain text (txt). The text very consistent and is grouped by chapter. Sometimes the chapter text is only one row, sometimes it's multiple row. Data is in one column like this: # A tibble:…
Seth Brundle
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Make HTML page (text) suitable for text analysis in R

I would like to do some text analytics on text from following web page: https://narodne-novine.nn.hr/clanci/sluzbeni/full/2007_07_79_2491.html I don't know how to convert this HTML to tidy text object (every row in text is every row in…
Mislav
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Problems saving workspace in R

I'm working on a project with a rather large workspace. Unfortunately I can't save the workspace and it freezes. If I have a small workspace I can do save.image() with just a dataframe >library(dplyr);…
user6500630
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How to cast a dataframe to a DocumentTermMatrix?

I am trying to use tidytext to transform a tibble of word frequencies into a DocumentTermMatrix, but the function doesn't seem to work as expected. I start from AssociatedPress which I know is a documentTermMatrix, tidy and cast it back, but the…
Dambo
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How to highlight negative and positive words in a Wordcloud using R

I am performing a sentiment analysis using R, and I was wondering how to split the wordcloud into two parts, highlighting positive and negative words. I am quite new to R and the online solutions didn't help me. That is the code: text <-…
mrpls
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From pdf text to tidy dataframe with file names in document column

I want to analyse text from almost 300 pdf documents. Now I used the pdftools and tm, tidytext packages to read the text, coverted it to a corpus, then to a document-term-matrix and I finally want to structure it in a tidy dataframe. I've got a…
Tdebeus
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Tokenizing issue

I am trying to tokenize a sentence as follows. Section <- c("If an infusion reaction occurs, interrupt the infusion.") df <- data.frame(Section) When I tokenize using tidytext and the code below, AA <- df %>% mutate(tokens =…
Krishna
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How to run a regression with a training set

I would like to run a regression using a training data frame that I have put into tidy text format. The original data file includes participants with noted developmental disabilities and participants who may or may not have a developmental…
Danielle Strauss
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Tokenizing Japanese text in R: Only first line of the specified column is tokenized

I am trying to tokenize a collection of tweets with the Japanese tokenizer RMeCab, specifically the function RMeCabDF (for dataframes). The documentation states the following usage: RMeCabDF Description RMeCabDF takes data frames as the first…
DataWiz
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How can I remove punctuations and numbers in text from data.frame file in R

I want to remove punctuations, numbers and http links in text from data.frame file. I tried tm, stringr, quanteda, tidytext packages but none of them worked. I m looking for a useful basic package or function for clean data.frame file without…
Fatih Bayrak
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finding row-wise important words in text dataframe

I have a dataframe which looks like this: sentences <- data.frame(sentences = c('You can apply for or renew your Medical Assistance benefits online by using COMPASS.', 'COMPASS is the name of…
LeMarque
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How do I parse out a specific section of text?

My goal is to pull out a specific section in a set of word documents according to key words. I'm having trouble parsing out specific sections of text from a larger data set of text files. The data set originally looked like this, with "title 1" and…
Danielle Strauss
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charting tf idf for survey comments in ggplot2 - label error

I'm just beginning to use R for text mining and have come across a problem. I have successfully charted tf_idf for single words in my dataset which includes 3 different columns (positive, negative, and bank) - the column name is 'Box'. I am trying…
Jennimh
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achieve tokenize in a txt format with tidytext

I'm trying to work on tidytext, with a .txt file called: texto_revision with the following structure: # A tibble: 254 x 230 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12 X13 X14 X15 X16 …
Samir Ricardo Neme Chaves
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Automatically extracting Sections (and section Titles) from a file

I need to extract all subsections (for further text analysis) and their title from an .Rmd file (e.g. from 01-tidy-text.Rmd of tidy-text-mining book: https://raw.githubusercontent.com/dgrtwo/tidy-text-mining/master/01-tidy-text.Rmd) All I know…
IVIM
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