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Video of Learn Subsetting in R programming language (in quick time) in R Programming Language course by Unboxing Big Data channel, video No. 15 free certified online
Susbetting can be done in R using:
USING SQUARE BRACKETS
COLUMN NAMES AND ROW NAMES
subset() FUNCTION
which() FUNCTION
select() (UNDER DPLYR)
filter() (UNDER DPLYR)
sqldf()