Philippe Rivière comments

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                                            Philippe Rivière

Expose more Plot internals to facilitate building new mark types.

Crosslinking with https://observablehq.com/d/518bef295f80fbdb and #163

Expose more Plot internals to facilitate building new mark types.

A very useful function is valueof/field, but for the rest I don't know. If we fork the code of a mark to change it a little, we then have to...

Should Plot.maxX consume the reverse option?

another instance of this happening in Plot.groupZ : https://observablehq.com/@fil/diverging-stacked-bar-chart-help

Test: check if listed country name actually exists

would need to have multilingual support

Dimensionality Reduction

may I suggest *tSNE* - http://scienceai.github.io/tsne-js/ . (I use this one in my blocks https://bl.ocks.org/Fil/2dc296af097cd26242b52105e06763d8) - http://cs.stanford.edu/people/karpathy/tsnejs/ *umap* - https://github.com/lmcinnes/umap (python only atm)

push fft to the ml bundle?

Sure. An option could be to use @observablehq (where mljs loads fine https://beta.observablehq.com/@fil/mljs) Thank you!

first K eigenvalues?

Thank you for https://github.com/mljs/matrix/pull/91 !

API design

Update: changed *train* to *fit* in order to match sklearn API

API design

Ah I hadn't seen the chainable .parameter method, now I see it! > new Druid.UMAP(data).parameter("min_dist", 2).transform() however it feels a bit strange to parametrize *after* adding the values. And it...

API design

I would also very much like *all* DR methods to return a generator, even if it only yields one final result. Otherwise we have to do something like this in...