David Robinson

Have tq_exchange return market.cap as a number rather than a string

1

Right now the market.cap column contains a character vector of `$10B`, `$3.2M`, etc. This makes it difficult to visualize or even sort it. This adds a step that parses it...

GeoPoint doesn't appear to support extra arguments, e.g. maxDistanceInMiles

3

The Parse REST API [supports queries](https://parse.com/docs/rest#geo-query) along the lines of "all locations within 10 miles", by passing the argument "maxDistanceInMiles to the filter constraint: ``` "location": { "$nearSphere": { "__type":...

`geo_join` does a full _m*n_ comparison of points. This works for moderately sized datasets but becomes intractable in both time and memory. The right `geo_join()` implementation would likely use [k-d...

Use irlba's truncated SVD to speed up step_pca

6

`step_pca` is very useful, but is slow and memory-intensive when run on more than a few hundred features, even if `num_comp` is much smaller than p. (In my experience this...

Feature request: srcdoc iframe htmlwidget to embed plotly

1

I haven't been able to embed plotly in the document, partly because the knowledgerepo includes an incompatible version of JQuery. A possible solution would be a function that wraps an...

Wrap the seriation package, to order one or two columns based on their clustering. An example with unvotes data would be something like: ``` library(unvotes) un_votes_seriated

More changes for CRAN resubmission