Statistical Software Components

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PCMDIF: Stata module to for diagnosing and considering a potential differential item functioning (DIF) when analysing patient reported outcomes using partial credit models: Jean-Francois Hamel-Broza
PCMODEL: Stata module to estimate parameters of a Partial Credit Model or a Rating Scale Model by MML: Jean-François Hamel
PCMTEST: Stata module to test the fit of a Partial Credit Model or a Rating Scale Model estimated using pcmodel: Jean-François Hamel
PCORR2: Stata module to display partial and semipartial correlation coefficients: Richard Williams
PCORRMAT: Stata module to compute partial correlation coefficients controlled for a fixed set of covariates: Maarten Buis
PCPANEL: Stata module to perform power calculations for randomized experiments with panel data, allowing for arbitrary serial correlation: Fiona Burlig, Louis Preonas and Matt Woerman
PCTRIM: Stata module to trim variables based on percentiles: Michael Barker
PDC: Stata module for computing the Proportion of Days Covered (of a medication): Ariel Linden
PDFHESTON: MATLAB function to evaluate the probability density function in the Heston (1993) model: Agnieszka Janek and Rafał Weron
PDPLOT: Stata module to produce Pareto dot plot: Nicholas Cox
PDSLASSO: Stata module for post-selection and post-regularization OLS or IV estimation and inference: Achim Ahrens, Christian B. Hansen and Mark Schaffer
PEM: Stata Module to Estimate Partial EquiLibrium Model (PEM): Emad Shehata and Sahra Mickaiel
PENTROPY: GAUSS module to compute Permutation Entropy point estimates of a time series: Erica Clower and Miguel Henry
PERCAT: Stata module to perform percentile-based categorisation: Mehmet Mehmetoglu
PERCENTMATCH: Stata module to calculate the highest percentage match (near duplicates) between observations: Noble L. Kuriakose
PERCOM: Stata module to create permutations and combinations: Muhammad Rashid Ansari
PERRONBREAKS: RATS procedure to compute various unit root tests with breaks: Tom Doan
PERRONNGMTESTS: RATS procedure to compute various Perron-Ng "M" unit root tests: Tom Doan
PERRONRODRIGUEZ: RATS procedure to perform Perron-Rodriguez unit root test allowing for break at unknown date: Tom Doan
PERSIST: RATS procedure to compute sum of coefficients of a MA representation for a series: Tom Doan
PERSONAGE: Stata module to calculate people's ages or similar daily date differences: Nicholas Cox
PERTURB: Stata module to evaluate collinearity and ill-conditioning: John Hendrickx
PESCADF: Stata module to perform Pesaran's CADF panel unit root test in presence of cross section dependence: Piotr Lewandowski
PETPOISSON: Stata module to estimate an Endogenous Participation Endogenous Treatment Poisson model by MSL: Alfonso Miranda
PEXP: Stata module to produce probability plot for data compared with fitted exponential distribution: Nicholas Cox
PFS: Stata module to predict Financial Skill scale scores from CFPB survey instrument: Austin Nichols
PFWB: Stata module to predict Financial Well-Being scale scores from CFPB survey instrument: Austin Nichols
PGAMMA: Stata module to generate probability plot for data vs fitted gamma distribution: Nicholas Cox
PGMHAZ8: Stata module to estimate discrete time (grouped data) proportional hazards models: Stephen Jenkins
PHENOTYPE: Stata module to simulate disease status and censored age for family data: James Cui
PHILLIPS: MATLAB module to calculate Phillips-Perron test of the unit-root hypothesis: Ludwig Kanzler
PHILLIPSHANNAN: RATS procedure to compute Phillips-Hannan Efficient estimator for multivariate regressions: Tom Doan
PIAACTOOLS: Stata module to provide PIAAC tools: Artur Pokropek and Maciej Jakubowski
PIEPLOT: Stata module to plot pie charts of categorical frequencies: Nicholas Cox
PINDEX: Stata module to compute targeted price indices: Muhammad Rashid Ansari and Chiara Mussida
PISAREG: Stata module to perform linear regression with PISA data and plausible values: Maciej Jakubowski
PISATOOLS: Stata module to facilitate analysis of the data from the PISA OECD study: Maciej Jakubowski and Artur Pokropek
PLAUSEXOG: Stata module to implement Conley et al's plausibly exogenous bounds: Damian Clarke
PLOTBETA: Stata module to plot linear combinations of coefficients: Adrian Mander
PLOTMATRIX: Stata module to plot values of a matrix as different coloured blocks: Adrian Mander
PLOTRPYS: Stata module to plot a spectrogram using CSV export from CRExplorer: Lutz Bornmann
PLS: Stata module to calculate composite variables using the partial least squares path modeling (PLS) algorithm: Mikko Rönkkö
PLSSAS: Stata module to execute SAS partial least squares procedure (Windows only): Adrian Mander
PLSSEM: Stata module to implement Partial least squares structural equation modelling (PLS-SEM): Sergio Venturini and Mehmet Mehmetoglu
PLZTOWKNR: Stata module to translate German zip codes into electoral districts: Konstantin Glinitzer, Tobias Gummer, Malte Kaukal and Joss Roßmann
PMCALPLOT: Stata module to produce calibration plot of prediction model performance: Joie Ensor, Kym IE. Snell and Emma C. Martin
PMSAMPSIZE: Stata module to calculate the minimum sample size required for developing a multivariable prediction model: Joie Ensor
PNG2RTF: Stata module to include PNG graphics in RTF documents: Austin Nichols
PNRCHECK: Stata module to verify the check digit in Swedish personal identification number: Nicola Orsini
POBREZAECU: Stata module to predict poverty in Ecuador: Daniel Jaramillo Calderonn and Sergio Guerra