R Observatory: Metrics for WCM version 0.2.2

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

WCM

Water Cloud Model (WCM) for the Simulation of Leaf Area Index (LAI) and Soil Moisture (SM) from Microwave Backscattering

0packages depend

2.2Kdownloads / year

–test coverage

11/13flavors OK

Overview

About

Maintained by Ujjwal SinghCRAN page ↗

Retrieval the leaf area index (LAI) and soil moisture (SM) from microwave backscattering data using water cloud model (WCM) model . The WCM algorithm attributed to Pervot et al.(1993) doi:10.1016/0034-4257(93)90053-Z. The authors are grateful to SAC, ISRO, Ahmedabad for providing financial support to Dr. Prashant K Srivastava to conduct this research work.

Install

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

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

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

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-wcm

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-WCM

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-WCM

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

2NOTE11OK

Check messages

NOTECRAN incoming feasibilityr-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc

Maintainer: ‘Ujjwal Singh <ujjwalrsmt@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Ujjwal", "Singh", "Prashant", "K", "Srivastava", "<prashant.just@gmail.com)>", "Dharmendra", "Kumar", "Pandey", "<Dkp@sac.isro.gov.in>", "Sumit", "Kumar", "Chaudhary", "<sumit.mathe@gmail.com>", "Dileep", "Kumar", "Gupta"),
                      family = "<dileepgupta85@gmail.com>",
                      role = "aut",
                      email = "dileepgupta85@gmail.com"),
               person(given = "Ujjwal",
                      family = "Singh",
                      role = "cre",
                      email = "ujjwalrsmt@gmail.com"))
as necessary.

CRAN check page ↗

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

Status changes

NOTE11 OK, 2 NOTENow
NOTE9 OK, 5 NOTE2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.2.2

READMENoVignettesNoNEWSNoCitation fileNoWebsitenot declared in DESCRIPTION

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

How these are measured

Downloads

2.2K

CRAN downloads in the past year

Rank #21,091 · ~6/day · ~186/mo

Releases R versions

Daily download trend is not available in this view yet.

25130 days

62290 days

2.2K1 year

Compare downloads with other packages →

Also on83 r2u5 autocran71 c2d4u

How downloads are counted

Dependencies

Declared dependencies

3 external dependencies (excludes base and recommended)

Installing WCM adds 5 packages (4 with compiled code, 8.5 MB of source tarballs). Heaviest: sp 4.3 MB, Rcpp 1.8 MB, terra 1.5 MB.

Depends (0)

none

Imports (3)

pracmastatsraster

LinkingTo (0)

none

Suggests (1)

rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

People & History

People (from the free-text Author field) (1)

Ujjwal Singh Prashant K Srivastava Dharmendra Kumar Pandey Sumit Kumar Chaudhary Dileep Kumar Gupta

· added in 0.2.1

Maintainer since 0.1.0 (2019)

Listed in earlier versions (2)

Sumit kumar Chaudhry

no longer listed · 0.1.0

Ujjwal Singh

no longer listed · 0.1.0 to 0.2.0

Releases (4)

Pick two releases to compare their code metrics.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
R
R 4.0.0 released · 2020-04-24
0.2.2Latest
record
2020-04-01 · current release · diff ↗
0.2.1
record
2019-05-27 · diff ↗
0.2.0
record
2019-05-10 · diff ↗
0.1.0
record
2019-05-02
R
R 3.6.0 released · 2019-04-26

Package metadata

First published: 2019-05-02
Total releases: 4 / 7 yrs
License: GPL (>= 3) OSI
Download size: 3.7 KB

Appears in task views

Agricultural Science

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("WCM")

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 WCM version 0.2.2 [Data set]. HJJB, LLC. Data release v2026-10-19. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-19, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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