SentimentAnalysis (version 1.3-5)

compareDictionaries: Compares two dictionaries

Description

Routine compares two dictionaries in terms of how similarities and differences. Among the calculated measures are the total of distinct words, the overlap between both dictionaries, etc.

Usage

compareDictionaries(d1, d2)

Value

Returns list with different metrics depending on dictionary type

Arguments

d1

is the first sentiment dictionary of type SentimentDictionaryWordlist, SentimentDictionaryBinary or SentimentDictionaryWeighted

d2

is the first sentiment dictionary of type SentimentDictionaryWordlist, SentimentDictionaryBinary or SentimentDictionaryWeighted

See Also

SentimentDictionaryWordlist, SentimentDictionaryBinary, SentimentDictionaryWeighted for the specific classes

Examples

d1 <- SentimentDictionary(c("uncertain", "possible", "likely"))
d2 <- SentimentDictionary(c("rather", "intend", "likely"))
cmp <- compareDictionaries(d1, d2)

d1 <- SentimentDictionary(c("increase", "rise", "more"),
                          c("fall", "drop"))
d2 <- SentimentDictionary(c("positive", "rise", "more"),
                          c("negative", "drop"))
cmp <- compareDictionaries(d1, d2)

d1 <- SentimentDictionary(c("increase", "decrease", "exit"),
                          c(+1, -1, -10),
                          rep(NA, 3))
d2 <- SentimentDictionary(c("increase", "decrease", "drop", "neutral"),
                          c(+2, -5, -1, 0),
                          rep(NA, 4))
cmp <- compareDictionaries(d1, d2)