2020

#FunDataFriday – #BlackInDataWeek

November 13, 2020 | Laura Ellis

#BlackInDataWeek is a free, online data conference taking place November 16-21, 2020 It's a week-long celebration to (1) highlight the valuable work and experiences of Black people in the field of Data, (2) provide community, and (3) educational and professional resources. [Read more...]

on arithmetic derivations of square roots

November 12, 2020 | xi'an

An intriguing question made a short-lived appearance on the CodeGolf section of Stack Exchange, before being removed, namely the (most concise possible) coding of an arithmetic derivation of the square root of an integer, S, with a 30 digit precision and using only arithmetic operators. I was not aware of the ...
[Read more...]

Beta release of era

November 11, 2020 | Joe Roe

era is a small R package for working with different year numbering systems. There are a few systems in use in archaeology, geology, and other palaeosciences; for example, the year 10,000 BCE is 11,950 Before Present or 11.95 ka. It is usually fine to store years as a plain numeric vector in R, ... [Read more...]

Round about the kernel

November 11, 2020 | R on OSM

In our last post, we took our analysis of rolling average pairwise correlations on the constituents of the XLI ETF one step further by applying kernel regressions to the data and comparing those results with linear regressions. Using a cross-validat...
[Read more...]

Round about the kernel

November 11, 2020 | R on OSM

In our last post, we took our analysis of rolling average pairwise correlations on the constituents of the XLI ETF one step further by applying kernel regressions to the data and comparing those results with linear regressions. Using a cross-validat...
[Read more...]

Round about the kernel

November 11, 2020 | R on OSM

In our last post, we took our analysis of rolling average pairwise correlations on the constituents of the XLI ETF one step further by applying kernel regressions to the data and comparing those results with linear regressions. Using a cross-validat...
[Read more...]

ROC Day at BARUG

November 11, 2020 | R Views

This week, the Bay Area useR Group (BARUG) held a mini-conference focused on ROC Curves. Talks discussed the history of the ROC, extending ROC analysis to multiclass problems, various ways to think about and interpret ROC curves, and how to translate concrete business goals into the ROC framework, and pick ... [Read more...]

The Notion of “Double Descent”

November 11, 2020 | matloff

I tend to be blase’ about breathless claims of “new” methods and concepts in statistics and machine learning. Most are “variations on a theme.” However, the notion of double descent, which has come into prominence in the last few years, is something I regard as genuinely new and very relevant, ...
[Read more...]
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