DOC: enhance pivot / reshape docs

[jreback]

nice questions and answers here: https://stackoverflow.com/questions/47152691/how-to-pivot-a-dataframe by piRsquared.

Would be nice to update our offical docs with some of these examples / tip & tricks. Maybe even use the Q & A format.

[dave-lewis-alida]

I'll take a stab at this.

[pdpark]

@davetlewis-van are you working on this? If not, I'd like to. Thanks.

[dave-lewis-alida]

@pdpark Hi. Yes, I've started on it. I'll finish up this week. Can I send it your way for review when I have a draft?

[pdpark]

Sure, I'd be happy to review it. Maybe just submit a PR though and I'll review it in github as soon as I see it come up?

[VincentLa]

@davetlewis-van @pdpark are you all still working on this? Would love to take a stab as I'm in Pycon Sprints right now!

[dave-lewis-alida]

Hi Vincent, Yes, go for it. I keep meaning to get back to this but can’t find the time. :(

On Mon, May 14, 2018 at 8:18 AM Vincent La ***@***.***> wrote: @davetlewis-van <https://github.com/davetlewis-van> @pdpark <https://github.com/pdpark> are you all still working on this? Would love to take a stab as I'm in Pycon Sprints right now! — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#19089 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AWZgkN65DcpOuYisG0HNFyhwzDf5mtIJks5tyaBZgaJpZM4RT9fl> .

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