Find last index of element in column

jtablesaw / tablesaw

Java dataframe and visualization library

https://jtablesaw.github.io/tablesaw/

Apache License 2.0

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Find last index of element in column #1212

Closed eliddan closed 1 year ago

eliddan commented 1 year ago

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Description

Adds a new method lastIndexOf in Column to find the last index of a given occurence in a column. It comes in addition to indexOf. I find it usefull, especialy when working with time series.

Testing

Comes with a unit test similar to what exists for indexOf.