Publications by matloff
r/finance, 1 year later
The prominent conference R/Finance, held annually in Chicago, had a great program yesterday and today. As I wrote following last year’s conference, the organizers were criticized for including no women in its speaker lineup. The problem was that no women had submitted papers for consideration; no input, thus no output. I’m a member of the Ed...
2434 sym
R vs. Python
For some time, I’ve planned to write up a point-by-point comparison of R and Python. I’ve done so now! Comments welcome. Related To leave a comment for the author, please follow the link and comment on their blog: Mad (Data) Scientist. R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other to...
523 sym
My Free Online Tutorial on R
I’m continuing to add more lessons to my free online R tutorial, 17 of them so far, adding more from time to time. Aimed specifically at nonprogrammers, though those with C or Python background should find it helpful too. Comments and suggestions welcome! Related To leave a comment for the author, please follow the link and comment on their b...
658 sym
Prob/Stat for Data Sci: Math + R + Data
My new book, Probability and Statistics for Data Science: Math + R + Data, pub. by the CRC Press, was released on June 24! This book arose from an open-source text I wrote and have been teaching from. The open source version will still be available, though rather different from the published one. This is a math stat book, but different from all ...
1122 sym
New Version of regtools package
My updated version of my regtools package, tools for parametric and nonparametric regression, is now on CRAN, https://cran.r-project.org/package=regtools It has a number of new functions and datasets. Type vignette(‘regtools’) for an overview. Related To leave a comment for the author, please follow the link and comment on their blog: Mad...
647 sym
R Journal July Issue
As the current Editor-in-Chief of the R Journal, I must apologize for the delay in getting the July issue online, due to technical and other matters. In the meantime, though, please take a look at the many interesting articles slated for publication in this and upcoming issues. Various improvements in technical documentation, as well as the pendi...
1604 sym
“Clearing the Confusion” series
In recent weeks, I’ve posted three tutorials with Clearing the Confusion titles, all in my regtools GitHub repo. Topics have been unbalanced classification data; k-fold cross validation; and scaling in PCA. Comments welcome! Related To leave a comment for the author, please follow the link and comment on their blog: Mad (Data) Scientist. R-...
627 sym
“Clearing the Confusion” series
In recent weeks, I’ve posted three tutorials with Clearing the Confusion titles, all in my regtools GitHub repo. Topics have been unbalanced classification data; k-fold cross validation; and scaling in PCA. Comments welcome! Related To leave a comment for the author, please follow the link and comment on their blog: Mad (Data) Scientist. R-...
627 sym
FOCI: a new method for feature selection
It’s been a while since I’ve posted here, not for lack of material but just having too long a TO DO list. I’ve added some important features to my regtools package, for instance, and hope to discuss them here soon. For the present post, though, I will discuss FOCI, a highly promising new approach to feature selection, developed by Mona Azad...
4947 sym R (461 sym/2 pcs) 2 img
FOCI: a new method for feature selection
It’s been a while since I’ve posted here, not for lack of material but just having too long a TO DO list. I’ve added some important features to my regtools package, for instance, and hope to discuss them here soon. For the present post, though, I will discuss FOCI, a highly promising new approach to feature selection, developed by Mona Azad...
4947 sym R (461 sym/2 pcs) 2 img