Mattijn van Hoek

Btw, I came to realise that it is not necessary to use a `str` when doing an observe on the `jchart`, but that an `alt.Parameter` is already accepted. That means...

Would ```python elif hasattr(v, '__iter__'): kwds[k] = list(v) ``` be sufficient? Or is this too loose?

Good points @joelostblom and @binste! My first thought that it was OK to have a `str` trueing as `Iterable`, but since altair accepts different type of inputs for a single...

Thanks @ChiaLingWeng! That seems to be the behaviour we are after here as well, but then without depending on pandas itself. Maybe we can use the same implementation as adopted...

Thanks for asking @ObservedObserver! I don't think this is possible unfortunately.

See also https://github.com/altair-viz/altair/issues/913#issuecomment-393713890

Thank you for the report. `altair_data_server` is indeed not yet supported by Altair version 5. The best thing for now is that we can add a note to the documentation...

A bit related and a bit off-topic, but interesting nonetheless: https://github.com/queryverse/VegaLite.jl/pull/411.

Thank you for reaching out @thomascamminady. That seems like a great example to have in the example gallery! I am aware that there is a wind vector map in the...

That probably means that you are not working with spatial data? Also meaning that your vector fields example is still useful in another category.