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library(pacman) #my package manager | ||
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#load necessary packages | ||
p_load(ggplot2) | ||
p_load(dplyr) | ||
p_load(reshape2) | ||
p_load(gridExtra) | ||
p_load(stringr) | ||
p_load(tidytext) | ||
p_load(tidyr) | ||
p_load(wordcloud) | ||
p_load(tm) | ||
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####Loading all the data | ||
foxnews <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/fox_news_Final_with_sentiment.csv") | ||
nytimes <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/new_york_times_Final_with_sentiment.csv") | ||
foxtitle <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/FoxNews_Sheikh_with_sentiment.csv") | ||
nytitle <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/NYT_Sheikh_with_sentiment.csv") | ||
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bigram_wc <- function(foxnews){ | ||
fox_unn <- foxnews %>% unnest_tokens(word, text, token = "ngrams", | ||
n=2) %>% | ||
anti_join(stop_words) | ||
bg_fox <- fox_unn %>% | ||
separate(word, c("word1", "word2"), sep=" ") | ||
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avoid_list <- c("russia", "ukraine", "user", "http", "fox", "york") | ||
filter_bg_fox <- bg_fox %>% | ||
filter(!word1 %in% stop_words$word) %>% | ||
filter(!word2 %in% stop_words$word) %>% | ||
filter(!word1 %in% avoid_list) %>% | ||
filter(!word2 %in% avoid_list) | ||
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count_bg <- filter_bg_fox %>% | ||
group_by(word1, word2) %>% | ||
tally(sort = TRUE) | ||
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count_bg <- as.data.frame(count_bg) | ||
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count_bg$bigram <- paste(count_bg$word1, count_bg$word2, sep=" ") | ||
wc <- wordcloud(words = count_bg$bigram, freq = count_bg$n, min.freq = 1, max.words=200, random.order=FALSE, rot.per=0.35, | ||
colors=brewer.pal(8, "Dark2")) | ||
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return(wc) | ||
} | ||
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fox_pos <- foxnews %>% filter(label=="Positive") | ||
fox_neg <- foxnews %>% filter(label=="Negative") | ||
fox_neu <- foxnews %>% filter(label=="Neutral") | ||
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nyt_pos <- nytimes %>% filter(label=="Positive") | ||
nyt_neg <- nytimes %>% filter(label=="Negative") | ||
nyt_neu <- nytimes %>% filter(label=="Neutral") | ||
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type(coocc_func(foxnews)) | ||
df <- coocc_func(nytimes) | ||
df$bigram <- paste(df$word1, df$word2, sep=" ") | ||
head(df) |
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library(pacman) #my package manager | ||
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||
#load necessary packages | ||
p_load(ggplot2) | ||
p_load(dplyr) | ||
p_load(reshape2) | ||
p_load(gridExtra) | ||
p_load(stringr) | ||
p_load(tidytext) | ||
p_load(tidyr) | ||
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||
####Loading all the data | ||
foxnews <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/fox_news_Final_with_sentiment.csv") | ||
nytimes <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/new_york_times_Final_with_sentiment.csv") | ||
foxtitle <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/FoxNews_Sheikh_with_sentiment.csv") | ||
nytitle <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/NYT_Sheikh_with_sentiment.csv") | ||
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coocc_func <- function(foxnews){ | ||
fox_unn <- foxnews %>% unnest_tokens(word, text, token = "ngrams", | ||
n=2) %>% | ||
anti_join(stop_words) | ||
bg_fox <- fox_unn %>% | ||
separate(word, c("word1", "word2"), sep=" ") | ||
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avoid_list <- c("russia", "ukraine", "user", "http") | ||
filter_bg_fox <- bg_fox %>% | ||
filter(!word1 %in% stop_words$word) %>% | ||
filter(!word2 %in% stop_words$word) %>% | ||
filter(!word1 %in% avoid_list) %>% | ||
filter(!word2 %in% avoid_list) | ||
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count_bg <- filter_bg_fox %>% | ||
group_by(word1, word2) %>% | ||
tally(sort = TRUE) | ||
return(count_bg) | ||
} | ||
fox_pos <- foxnews %>% filter(label=="Positive") | ||
fox_neg <- foxnews %>% filter(label=="Negative") | ||
fox_neu <- foxnews %>% filter(label=="Neutral") | ||
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nyt_pos <- nytimes %>% filter(label=="Positive") | ||
nyt_neg <- nytimes %>% filter(label=="Negative") | ||
nyt_neu <- nytimes %>% filter(label=="Neutral") | ||
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type(coocc_func(foxnews)) | ||
df <- coocc_func(nytimes) | ||
df$bigram <- paste(df$word1, df$word2, sep=" ") | ||
head(df) |
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# Q1 wordcloud | ||
library(pacman) | ||
p_load(wordcloud) | ||
p_load(tm) | ||
p_load(dplyr) | ||
p_load(ggplot2) | ||
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# source file -- change the file path here | ||
foxnews <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/fox_news_Final_with_sentiment.csv") | ||
nytimes <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/new_york_times_Final_with_sentiment.csv") | ||
foxtitle <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/FoxNews_Sheikh_with_sentiment.csv") | ||
nytitle <- read.csv("/Volumes/GoogleDrive/My Drive/Spring 2022/Data Science Methodology/UkraineConflictOnTwitter/SentimentAnalysis/data/q3/NYT_Sheikh_with_sentiment.csv") | ||
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make_cloud <- function(dataset, sentiment){ | ||
positive <- fox_cloud[fox_cloud$label == sentiment,] | ||
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# remove non-ascii words | ||
positive$text <- stringi::stri_trans_general(positive$text, "latin-ascii") | ||
positive$text <- gsub("[^\x01-\x7F]", "", positive$text) | ||
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# create corpus and preprocess data | ||
docs <- Corpus(VectorSource(positive$text)) | ||
docs <- docs %>% | ||
tm_map(removeNumbers) %>% | ||
tm_map(removePunctuation) %>% | ||
tm_map(stripWhitespace) | ||
docs <- tm_map(docs, content_transformer(tolower)) | ||
docs <- tm_map(docs, removeWords, stopwords("english")) | ||
docs <- tm_map(docs, removeWords, c("russia", "ukraine", "user", "http")) # remove "Russia" and "Ukraine" | ||
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# create matrix | ||
dtm <- TermDocumentMatrix(docs) | ||
matrix <- as.matrix(dtm) | ||
words <- sort(rowSums(matrix),decreasing=TRUE) | ||
df <- data.frame(word = names(words),freq=words) | ||
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# create wordcloud | ||
set.seed(1234) | ||
wc <- wordcloud(words = df$word, freq = df$freq, min.freq = 1, max.words=200, random.order=FALSE, rot.per=0.35, | ||
colors=brewer.pal(8, "Dark2")) | ||
return(wc) | ||
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} | ||
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make_cloud(foxnews, "Neutral") |
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