Skip to content
JF

Jason Foster

7 packages On CRAN since Apr 2016 (10 years) · last active 12 days ago
R-Universe CRAN Search
No ORCID on record for this author. Create an ORCID iD and add it to your package’s Authors@R so your work is attributed to you and not merged with a namesake.

Downloads

4.3K

Last 30 days

13.4K

Last 90 days

65K

Last year

Average trend: -4.7% (30d vs prior 30d)

Top Packages by Downloads

roll
2.8K
rolleigen
318
yfscreen
295
rolloptim
262
rollshap
256
secfile
210
yfhist
204

Portfolio Check Status

Aggregate CRAN check results across 7 maintained packages.

91

OK

Recent Activity

rolleigen updated v1.0.1 Oct 11, 2026

Rolling Eigenanalysis

secfile new v0.1.1 Aug 8, 2026

SEC 'EDGAR' APIs

rolloptim new v1.0.0 Jul 11, 2026

Rolling Optimizations

rolleigen new v1.0.0 Jun 19, 2026

Rolling Eigenanalysis

rollshap new v1.0.1 May 21, 2026

Rolling Shapley Values

roll updated v1.2.1 Mar 28, 2026

Rolling and Expanding Statistics

yfhist new v0.1.3 Mar 10, 2026

Yahoo Finance 'history' API

roll updated v1.2.0 Aug 21, 2025

Rolling and Expanding Statistics

yfscreen updated v0.1.2 May 17, 2025

Yahoo Finance 'screener' API

yfscreen new v0.1.1 Apr 8, 2025

Yahoo Finance 'screener' API

Maintained Packages

7 packages

Package Version
roll 2.8K downloads/30d 1.2.1
rolleigen 318 downloads/30d 1.0.1
yfscreen 295 downloads/30d 0.1.2
rolloptim 262 downloads/30d 1.0.0
rollshap 256 downloads/30d 1.0.1
secfile 210 downloads/30d 0.1.1
yfhist 204 downloads/30d 0.1.3

Privacy choices

These apply to this browser and are stored on this device only. Nothing about your choice is sent to us.

Read the privacy policy