DOC: add warning to append about inefficiency

[jorisvandenbossche]

In many cases, using append to add rows is not the best way to go, as this is very inefficient (certainly if you do this in a for loop, each time taking a copy)

If in a situation where you have this pattern of appending in a for loop, you typically want to append to a list and then concatenate all at once using concat.

Would by good to add a note about this in the append docstring.

[mogillies]

I'm working on it.

[shanral]

I've picked this up since it seems available again.

[mogillies]

Sorry I haven't completed as I am stuck with the testing. Go ahead if you want to do it. Can I see how you do it after you are done? Mo

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On Jul 15, 2017, at 9:53 PM, Andrew ***@***.***> wrote: I've picked this up since it seems available again. — You are receiving this because you commented. Reply to this email directly, view it on GitHub, or mute the thread.