lr236007/spida
R package collection of tools for hierarchical and longitudinal data analysis
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Discovered Sep 27, 2026
lr236007 / Longitudinal-data-cleaning-and-building
Code to create data from census data.
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lr236007/Demonstration
SGP source code and documentation associated with Demonstration SGP analyses
lr236007/Basic-Stats-R-Commands
R commands to teach a basic statistic course
lr236007/SGP
Functions to calculate student growth percentiles and percentile growth projections/trajectories for students using large scale, longitudinal assessment data. Functions use quantile regression to estimate the conditional density associated with each student's achievement history. Percentile growth projections/trajectories are calculated using the coefficient matrices derived from the quantile regression analyses and specify what percentile growth is required for students to reach future achievement targets. SystemRequirements: (PDF)LaTeX (http://www.latex-project.org/) with pdfpages package for studentGrowthPlot option in visualizeSGP to bind together student growth plots into school catalogs.