README.md

In dickie-roper/cloudr:

cloudr

This is a personal project that is in development - it is not working properly

Just for fun, I’ve had a go at producing word cloud type graphics in R. At the moment, it’s slow and clunky. Personally I don’t believe that word clouds are a particularly useful or insightful way to visualise text analysis, but I do think they can look rather pretty and be good fun to make.

I’m not really interested in developing code to extract words and their respective weights from a body of text. Here I am just interested in how to place the words (scaled to their weighting) on the page in the form of a word cloud. As such, the code im developing here needs to be supplied with a vector of words and a vector of their weights from which a word cloud will be generated.

Add package to search path

library(cloudr)

Default data set

cloudr has a raw data set obama - a dataframe of words and their weights from Obama’s 2016 state of the union speech downloaded from https://help.xlstat.com/customer/en/portal/articles/2918639-word-cloud-tutorial-in-excel-?b_id=9283

obama[1:10, ]
#> # A tibble: 10 x 2
#>    word    count
#>    <chr>   <dbl>
#>  1 thats      30
#>  2 world      24
#>  3 will       22
#>  4 america    21
#>  5 people     21
#>  6 can        20
#>  7 work       20
#>  8 years      18
#>  9 make       17
#> 10 year       17

Create word cloud

wc(obama$word[1:100], obama$count[1:100], 
   seed=4,
   lower_cex = 0.5, 
   upper_cex = 6,
   lo_col = "grey",
   markup = FALSE)

wc(obama$word[1:100], obama$count[1:100], 
   seed=4,
   lower_cex = 0.5, 
   upper_cex = 6,
   hi_col = "orange",
   lo_col = "red",
   markup = TRUE)

dickie-roper/cloudr documentation built on Nov. 4, 2019, 10:31 a.m.