Graph: WordCloud

Quick note of how to use wordcloud package

# install.packages("wordcloud")
library(wordcloud)

## Loading required package: RColorBrewer

# Kevyt esimerkki
a = c("trypanosoma", "ebola", "staphylococcus", "streptecoccus", "histoplasma")
b = c( 0.3, 0.2, 0.9, 0.8, 0.6)
par(bg="black") 
wordcloud(a,b, col=terrain.colors(length(a), alpha = .9), rot.per = .3)

# Create a list of words
list_of_words <-  c("Open","Micro","Send it!","WhyR","Talk","Seminar","Talk", 
    "Dataman","Python","Linux","Software","Graph","Social", "Resistance",
    "Publication","Analysis","Statistics","Science","Statistics","Data", 
    "Programming","Local","Virus","Marker","Work","Fun","Home","RStudio", "CRAN",
    "Computing","Data-Science","Reproductible","GitHub","Coder")

# Frequencies
b <- sample(seq(0,1,0.02), 
            length(list_of_words), 
            replace=TRUE) 

# The package will automatically make the wordcloud
wordcloud(words = a, 
          freq = b, 
          col = terrain.colors(length(a) , 
                             alpha=0.9) , 
          rot.per = 0.3 )