setindex_bygroup: setindex_bygroup
In smach/rmiscutils: Collection of Misc R Functions I've Found useful Over the Years
Description
Usage
Arguments
Examples
Description
Create an auto-indexing column in a data frame grouped by an id column, with the index starting at 1 for each id column group.
Usage
1
setindex_bygroup(mydf, mycolnum)
Arguments
mydf
a data frame
mycolnum
Number of the id column for your data frame
Examples
1
2
3
4
id <- c(1,1,2,2,2,3,4,4,5,5)
cat <- c("A", "B", "A", "B", "C", "B", "C", "D", "A", "E")
mydataframe <- data.frame(id, cat)
mydataframe$step <- setindex_bygroup(mydataframe, 1)
smach/rmiscutils documentation built on Dec. 15, 2021, 1:49 a.m.
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Description Usage Arguments Examples
Description
Create an auto-indexing column in a data frame grouped by an id column, with the index starting at 1 for each id column group.
Usage
1 | setindex_bygroup(mydf, mycolnum)
|
Arguments
mydf |
a data frame |
mycolnum |
Number of the id column for your data frame |
Examples
1 2 3 4 | id <- c(1,1,2,2,2,3,4,4,5,5)
cat <- c("A", "B", "A", "B", "C", "B", "C", "D", "A", "E")
mydataframe <- data.frame(id, cat)
mydataframe$step <- setindex_bygroup(mydataframe, 1)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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