Alexander Grün

Hi Siegfried, Thanks for your suggestions. I plan to rework column types to allow easy definition of custom value types. This would allow the definition of DateColumns. Further, it would...

Hi Siegfried, Help is always greatly appreciated :) I hope that I can work on custom value type support this weekend. Further, I will try to create issues for other...

So I started working on custom value type support in this branch: [value-type-abstraction](/nRo/DataFrame/tree/value-type-abstraction) and create an issue #22 There are still some TODOs to support custom value types, described in...

Thats great! Regarding temporal column types. How would you expect date formats are handled per default? Some kind of auto detection, or a default format that can be changed by...

Okay, thanks for the feedbacks. Unfortunately, I don't have much time at the moment. But I will keep working on that over the next days.

The feature branch is pretty stable. It only needs support for autodetection of custom types and some tests.

sorry for the delay, the custom value feature branch is now merged into master #22 . I will now start looking into temporal column types. I suppose that three different...

Hi, with "Timespan" I mean a type like Java 8 [Duration](https://docs.oracle.com/javase/8/docs/api/java/time/Duration.html). Subtraction of two Dates would result in a Timespan for example

sorry for the delay again > - A column to be read would consist of either Date (e.g. 14.10.2019) or DateTime in some format (e.g. 2019-10-14T12:00:00) exactly. some points I...

I cant reproduce the error. What does `df.getColumnNames()` return? Is `file.head().print();` working as expected?