R Observatory: Metrics for yfscreen version 0.1.2

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

yfscreen

0.1.2Package record

Yahoo Finance 'screener' API

0packages depend

5.4Kdownloads / year

0.0%test coverage

13/13flavors OK

Overview

About

Maintained by Jason FosterCRAN page ↗GitHub ↗Issues ↗

Simple and efficient access to Yahoo Finance's 'screener' API https://finance.yahoo.com/research-hub/screener/ for querying and retrieval of financial data. The core functionality abstracts the complexities of interacting with Yahoo Finance APIs, such as session management, crumb and cookie handling, query construction, pagination, and JSON payload generation. This abstraction allows users to focus on filtering and retrieving data rather than managing API details. Use cases include screening across a range of security types including equities, mutual funds, ETFs, indices, and futures. The package supports advanced query capabilities, including logical operators, nested filters, and customizable payloads. It automatically handles pagination to ensure efficient retrieval of large datasets by fetching results in batches of up to 250 entries per request. Filters can be dynamically defined to accommodate a wide range of screening needs. The implementation leverages standard HTTP libraries to handle API interactions efficiently and provides support for both R and Python to ensure accessibility for a broad audience.

Install

R (CRAN)pak (dev)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("yfscreen", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("jasonjfoster/screen")

Development version from jasonjfoster/screen. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-yfscreen

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-yfscreen

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-yfscreen

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 1.2 min · r-devel-windows-x86_64

Status changes

OK13 OK2026-08-04
NOTE12 OK, 1 NOTE2026-08-01
OK14 OK2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.1.2

READMEYes · 307 wordsVignettesNoNEWSNoCitation fileNoWebsitenot declared in DESCRIPTION

Help pages: 14includes a package overview page
Examples that run: 100%4 run in a plain check
Exported functions with examples: 100%
Documented parameters: 89%
Return-value docs: 100%
Help pages citing references: 0%

How these are measured

Downloads

5.4K

CRAN downloads in the past year

Rank #13,278 · ~15/day · ~448/mo

Releases R versions

Daily download trend is not available in this view yet.

28130 days

87790 days

5.4K1 year

Compare downloads with other packages →

Also on69 r2u2 autocran

How downloads are counted

Repository

jasonjfoster/screen ↗Account: jasonjfoster

21Stars

1Forks

0Open issues

0Open PRs

0Releases

126Commits

1Commit identities

datapythonr

126 commits · Last activity 2026-09-05 · 0% stars, 30d

Responsiveness

How these are sampled

PRs merged (all time): not measured
Median days to close, 50 most recently updated closed issues: 5
Median days to close, 50 most recently updated closed PRs: not measured

Stars over time

2025-10-10 · 102026-09-25 · 21

How these are measured

PracticesBeta

4 development-tooling and community-health practices detected across 3 families in the upstream repository

Checks run against github.com/jasonjfoster/screen on 2026-10-25.

Continuous integration (2)

GitHub ActionsR CMD check workflow

The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel

Governance and community (1)

The repository owner accepts GitHub Sponsors

Coverage (1)

Coverage reporting

How this is detected·Detection ruleset v4 (2026-10-20)

Dependencies

Declared dependencies

4 external dependencies (excludes base and recommended)

Installing yfscreen adds 2 packages (2 with compiled code, 1.7 MB of source tarballs). Heaviest: jsonlite 1.0 MB, curl 714 KB.

Depends (1)

R >= 3.5.0

Imports (2)

curl jsonlite

LinkingTo (0)

none

Suggests (2)

covr testthat

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

Datasets

People & History

People (1)

Jason Foster

Author, Maintainer since 0.1.1 (2025)

Releases (2)

Pick two releases to compare their code metrics.

R
R 4.6.0 released · 2026-04-24
0.1.2Latest
record
2025-05-18 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
0.1.1
record
2025-04-09
R
R 4.4.0 released · 2024-04-24

Package metadata

First published: 2025-04-09
Total releases: 2 / 1 yrs
License: GPL (>= 2) OSI
Minimum R: ≥ 3.5.0
Bundled data: 15 KB / 9 files
Download size: 29 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("yfscreen")

Format

Foster, J. (2025). yfscreen: Yahoo Finance 'screener' API (Version 0.1.2) [Computer software]. https://doi.org/10.32614/CRAN.package.yfscreen

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for yfscreen version 0.1.2 [Data set]. HJJB, LLC. Data release v2026-10-26. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-26, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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