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Objective: To Analyse and visualize a short story through keyword extraction
Step 1: Download text file of short story from HERE
Step 2: Read file in R
>Textualdata <- scan(file = "/Users/planetanalytics/Desktop/31pigs.txt", what = "character", sep = "\n")
Step 3: Install and load required packages
>library(tm)
>library(qdap)
>library(wordcloud)
>library(RColorBrewer)
Step 4: Clean your textual data
>Cleandata <- removePunctuation(Textualdata)
>Cleandata <- removeNumbers(Cleandata)
>Cleandata <- removeWords(Cleandata, c("pigs", "pig", stopwords(kind = "english")))
Step 5: Find the most frequent words and make a dataset
TextFrequency <- freq_terms(Cleandata, at.least = 3, stopwords = stopwords)
Step 6: Visualise
>plot(TextFrequency)
Output:
Plot a wordcloud
>TextWordcloud <- wordcloud(TextFrequency$WORD, TextFrequency$FREQ, colors = brewer.pal(3, "Dark2"))


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