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Plural Sight: Data Science w/ R (Working with Data (Transforming Data…
Plural Sight: Data Science w/ R
Working with Data
Cleaning Data
tidyr
reshape2
stringr
lubridatae
validate
Transforming Data
select columns you want to work with
Filter rows you are interested in
group rows
order rows
merge tables
Packages available to perform these tasks
base R
plyr
dplyr
select
filter
mutate
summarize
arrange
data.table
sqldf