Note: [row filter,column filter]
[row filter, ] means all rows matching the filter. all columns without filtering
y = asubset [, c('col5', 'col6')] means all rows but only include 2 columns namely col5 and col6
November 21, 2018
R - Subset of data in a data frame
asubset = somedata[somedata$mth_end_dt >="2016-01-01" & somedata$mth_end_dt <= "2016-12-31",]
Note: [row filter,column filter]
[row filter, ] means all rows matching the filter. all columns without filtering
y = asubset [, c('col5', 'col6')] means all rows but only include 2 columns namely col5 and col6
Note: [row filter,column filter]
[row filter, ] means all rows matching the filter. all columns without filtering
y = asubset [, c('col5', 'col6')] means all rows but only include 2 columns namely col5 and col6
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