Package: PRA 0.4.0

Paul Govan

PRA: Project Risk Analysis

Data analysis for Project Risk Management via the Second Moment Method, Monte Carlo Simulation, Contingency Analysis, Sensitivity Analysis, Earned Value Management, Learning Curves, Bayesian Methods, and more.

Authors:Paul Govan [aut, cre, cph]

PRA_0.4.0.tar.gz
PRA_0.4.0.zip(r-4.7)PRA_0.4.0.zip(r-4.6)PRA_0.4.0.zip(r-4.5)
PRA_0.4.0.tgz(r-4.6-any)PRA_0.4.0.tgz(r-4.5-any)
PRA_0.4.0.tar.gz(r-4.7-any)PRA_0.4.0.tar.gz(r-4.6-any)
PRA_0.4.0.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
PRA/json (API)
NEWS

# Install 'PRA' in R:
install.packages('PRA', repos = c('https://cranhaven.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/paulgovan/pra/issues

Pkgdown/docs site:https://paulgovan.github.io

On CRAN:

Conda:

archivedpackagesr-universe

4.36 score 5 stars 13 scripts 513 downloads 31 exports 80 dependencies

Last updated from:de47c46195 (on package/PRA). Checks:9 OK. Indexed: no.

TargetResultTimeFilesSyslog
linux-devel-x86_64OK183
source / vignettesOK259
linux-release-x86_64OK186
macos-release-arm64OK98
macos-oldrel-arm64OK140
windows-develOK180
windows-releaseOK173
windows-oldrelOK159
wasm-releaseOK147

Exports:acadd_documentsbuild_knowledge_basecontingencycor_matrixcost_pdfcost_post_pdfcpicveacetcevfit_sigmoidalgrandparent_dsmmcsparent_dsmplot_sigmoidalpra_apppra_chatpra_toolspredict_sigmoidalpvretrieve_contextrisk_post_probrisk_probsensitivitysmmspisvtcpivac

Dependencies:abindbackportsbootbroomcarcarDataclicolorspacecorrplotcowplotcpp11DerivdoBydplyrfarverforecastFormulafracdiffgenericsggplot2ggpubrggrepelggsciggsignifgluegridExtragtableisobandlabelinglatticelifecyclelme4lmtestmagrittrMASSMatrixMatrixModelsmc2dmgcvmicrobenchmarkminpack.lmminqamodelrmvtnormnlmenloptrnnetnumDerivpbkrtestpillarpkgconfigpolynompurrrquantregR6rbibutilsRColorBrewerRcppRcppArmadilloRcppEigenRdpackreformulasrlangrstatixS7scalesSparseMstringistringrsurvivaltibbletidyrtidyselecttimeDateurcautf8vctrsviridisLitewithrzoo

Agentic Risk Analysis

Rendered fromagent.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Bayesian Methods

Rendered fromBayes.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Design Structure Matrices

Rendered fromDSM.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Earned Value Management

Rendered fromevm.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Learning Curves

Rendered fromsigmoidal.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Monte Carlo Simulation

Rendered fromMCS.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Second Moment Method

Rendered fromSMM.Rmdusingknitr::rmarkdownon May 17 2026.

Last update: 2026-05-17
Started: 2026-05-17

Readme and manuals

Help Manual

Help pageTopics
Actual Cost (AC).ac
Add Custom Documents to the PRA Knowledge Baseadd_documents
Build the PRA Knowledge Base for RAG Retrievalbuild_knowledge_base
Contingency Calculation.contingency
Generate Correlation Matrix from Random Samples.cor_matrix
Cost Probability Density.cost_pdf
Posterior Cost Probability Density.cost_post_pdf
Cost Performance Index (CPI).cpi
Cost Variance (CV).cv
Estimate at Completion (EAC).eac
Estimate to Complete (ETC).etc
Earned Value (EV).ev
Fit a Sigmoidal Model to Data.fit_sigmoidal
Risk-based 'Grandparent' Design Structure Matrix (DSM).grandparent_dsm
Monte Carlo Simulation.mcs
Resource-based 'Parent' Design Structure Matrix (DSM).parent_dsm
Plot a Fitted Sigmoidal Model.plot_sigmoidal
Plot a DSM heatmap.plot.dsm
Launch the PRA Risk Analysis Agent Apppra_app
Create a PRA Risk Analysis Chat Agentpra_chat
Create PRA Tool Definitions for LLM Agentpra_tools
Predict a Sigmoidal Function Using Fitted Model.predict_sigmoidal
Print a DSM object.print.dsm
Print method for Monte Carlo Simulation results.print.mcs
Print method for Sigmoidal Modelprint.pra_sigmoidal_fit
Print method for SMM results.print.smm
Planned Value (PV).pv
Retrieve Relevant Context for a Queryretrieve_context
Posterior Risk Probability.risk_post_prob
Bayesian Inference for Risk Probability.risk_prob
Sensitivity Analysis.sensitivity
Second Moment Method Analysis.smm
Schedule Performance Index (SPI).spi
Schedule Variance (SV).sv
To-Complete Performance Index (TCPI).tcpi
Variance at Completion (VAC).vac