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Statistical Software Components
from Boston College Department of Economics Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA. Contact information at EDIRC . Series data maintained by Christopher F Baum ().
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SMGFIT: Stata module to fit a Singh-Maddala distribution to grouped data via ML
Austin Nichols
SMHSIAO: Stata module to conduct Small-Hsiao test for IIA in multinomial logit
Nick Winter
SMILEPLOT: Stata module to create plots for use with multiple significance tests
Roger Benedict Newson
SMITHWELCH: Stata module to compute trend decomposition of outcome differentials
Ben Jann
SMWOODBURY: Stata module to compute Sherman-Morrison-Woodbury rank-k update to matrix inverse
Sam Schulhofer-Wohl
SOEPDO: Stata module to handle SOEP drop-outs
Tim Stegmann
SOEPREN: Stata module providing easy SOEP renames
Ulrich Kohler
SOEPUSE: Stata module providing easy SOEP access
Ulrich Kohler
SOMERSD: Stata module to calculate Kendall's tau-a, Somers' D and median differences
Roger Benedict Newson
SOREG: Stata module to implement the stereotype ordinal regression model
Mark Lunt
SORTL: Stata module to sort factor loadings or rotated matrix from PCA or factor
Dirk Enzmann
SORTLISTBY: Stata module to sort by random or by ancillary numlist
Ben Jann
SORTOBS: Stata module to sort observations according to a specified order
Julian Reif
SORTROWS: Stata program to perform sort within observation
Jeffrey Bernard Arnold
SPACES: Stata module to parse a file for delimiters
Jan Brogger
SPAGG: Stata module to create aggregate source or target contagion spatial effect variable for directed dyadic data
Eric Neumayer and Thomas Plümper
SPARKLINE: Stata module for sparkline-type plots
Nicholas Cox
SPARL: Stata module to produce scatter plot and y-x regression line
Nicholas Cox
SPATDWM: Stata modules for US State and County spatial distance matrices
Yihua Yu
SPATIALRATS_1: RATS module to estimate a spatial linear regression
Eric Blankmeyer
SPAUTOC: Stata modules to calculate spatial autocorrelation (Moran and Geary measures)
Nicholas Cox
SPAUTOREG: Stata module to estimate Spatial (Lag-Error-Durbin-SAC-SPGKS-SPGSAR-GS2SLS-GS3SLS-SPML-SPGS-SPIVREG-IVTobit)
Emad Abd Elmessih Shehata
SPCS2XT: Stata module to Convert Cross Section to Panel Spatial Weight Matrix
Emad Abd Elmessih Shehata
SPDIR: Stata module to create directed dyad contagion spatial effect variable
Eric Neumayer and Thomas Plümper
SPEARMAN2: Stata module to calculate Spearman rank correlations, extended
Christopher F Baum
SPEC_STAND: Stata module to create dataset of stratum-specific, unadjusted and standardized rates
Rosa Gini
SPECFORE: RATS procedure to compute forecasts using spectral techniques
Tom Doan
SPECTRUM: RATS procedure to compute/graph spectral density
Tom Doan
SPELL: Stata module for identification of spells or runs of similar values
Nicholas Cox and Richard Goldstein
SPELLUTIL: Stata module of utilities for the manipulation of timespan data
Edwin Leuven
SPGLSXT: Stata module to estimate Spatial Panel Autoregressive Generalized Least Squares Regression
Emad Abd Elmessih Shehata
SPGMM: Stata module to estimate Spatial Autoregressive Generalized Method of Moments Cross Sections Regression
Emad Abd Elmessih Shehata
SPGMMXT: Stata module to estimate Spatial Panel Autoregressive Generalized Method of Moments Regression
Emad Abd Elmessih Shehata
SPGRID: Stata module to generate two-dimensional grids for spatial data analysis
Maurizio Pisati
SPHDIST: Stata module to compute spherical distances
Bill Rising
SPIKE: Stata module to allow for a zero willingness to pay
João Pedro Azevedo
SPIKEPLT: Stata module to generate spike plot showing fine structure of the data
Nicholas Cox and Tony Brady
SPINEPLOT: Stata module for spine plots for two-way categorical data
Nicholas Cox
SPKDE: Stata module to perform kernel estimation of density and intensity functions for two-dimensional spatial point patterns
Maurizio Pisati
SPLAGVAR: Stata module to generate spatially lagged variables, construct the Moran Scatter plot, and calculate Moran's I statistics
P. Wilner Jeanty
SPLIT: Stata modules for splitting string variables into parts
Nicholas Cox
SPLITVALLABELS: Stata module to split up value labels for multi-line graph labelling
Nick Winter and Ben Jann
SPMAP: Stata module to visualize spatial data
Maurizio Pisati
SPMLREG: Stata module to estimate the spatial lag, the spatial error, the spatial durbin, and the general spatial models by maximum likelihood
P. Wilner Jeanty
SPMON: Stata module to create spatial effect variable for monadic data
Eric Neumayer and Thomas Plümper
SPMSTAR: Stata module to Estimate (m-STAR) Spatial Multiparametric Spatio Temporal AutoRegressive Regression Models
Emad Abd Elmessih Shehata
SPMSTARD: Stata module to estimate Multiparametric Spatio Temporal AutoRegressive Regression Spatial Durbin Cross Sections Models
Emad Abd Elmessih Shehata and Sahra Khaleel Mickaiel
SPMSTARDH: Stata module to Estimate (m-STAR) Spatial Multiparametric Spatio Temporal AutoRegressive Regression: Spatial Durbin Multiplicative Heteroscedasticity Cross Sections Models
Emad Abd Elmessih Shehata and Sahra Khaleel Mickaiel
SPMSTARXT: Stata module to Estimate (m-STAR) Spatial Panel Multiparametric Spatio Temporal AutoRegressive Regression Models
Emad Abd Elmessih Shehata
SPPACK: Stata module for cross-section spatial-autoregressive models
David M. Drukker , Hua Peng , Ingmar Prucha and Rafal Raciborski