search

Kotlin / dataframe

Structured data processing in Kotlin
https://kotlin.github.io/dataframe/overview.html
Apache License 2.0
761 stars 48 forks source link

`DataColumn<Nothing>.isNumber()` gives `true` #748

Open Jolanrensen opened 1 week ago

Jolanrensen commented 1 week ago

This breaks functions like describe() which calculate the mean() and std() for isNumber columns.

image

It's similar to https://github.com/Kotlin/dataframe/issues/724 and isComparable().

koperagen commented 1 week ago

Small notice: seems strange that type is Nothing. Type of null should be Nothing?