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JF

Jason Foster

7 packages On CRAN since Apr 2016 (10 years) · last active 4 days ago
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

14.8K

Last 90 days

72.5K

Last year

Average trend: +265.4% (30d vs prior 30d)

Top Packages by Downloads

roll
3.4K
rolloptim
233
rollshap
160
yfscreen
146
rolleigen
137
yfhist
97
secfile
39

Portfolio Check Status

Aggregate CRAN check results across 7 maintained packages.

86

OK

Recent Activity

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

roll updated v1.1.7 Apr 4, 2024

Rolling and Expanding Statistics

Maintained Packages

7 packages

Package Version
roll 1.2.1
rolloptim 1.0.0
rollshap 1.0.1
yfscreen 0.1.2
rolleigen 1.0.0
yfhist 0.1.3
secfile 0.1.1

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