Description Usage Arguments Value
consecutive diff
1 | consecutive.diff(df, c1, c2, nm = "consec.diff")
|
df |
the dataframe |
c1 |
a column name of a numerical column |
c2 |
a column name of a numerical column |
nm |
new column name |
a dataframe which is a copy of df with a new column added, with name given by the parameter nm. Each entry of this new column is equal to [the entry in that row of c2] - [the entry in c1 from the row above]
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