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SGP (version 0.3-5.0)

An R Package for the Calculation and Visualization of Student Growth Percentiles.

Description

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.

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Version

Install

install.packages('SGP')

Monthly Downloads

4,255

Version

0.3-5.0

License

CC BY-SA 3.0 US | CC BY-NC-SA 3.0 + file LICENSE

Homepage

http://cran.r-project.org/web/packages/SGP/

Maintainer

Damian Betebenner

Last Published

July 24th, 2011

Functions in SGP (0.3-5.0)

bubblePlot for SGP

studentGrowthPercentiles

Student Growth Percentiles

Combine student data and SGP results

growthAchievementPlot

growthAchievementPlot for SGP

Perform 4 step sequence: prepareSGP, analyzeSGP, combineSGP, and summarizeSGP

bubblePlot_Styles

bubblePlot_Styles for visualizeSGP

Visualize data from SGP analyses

SGP: An R Package for the Calculation and Visualization of Student Growth Percentiles.

Longitudinal Student Assessment Data in LONG format

Summarize student scale scores, proficiency levels and student growth percentiles according to user specified summary group variables

Longitudinal Student Assessment Data

State assessment program data including performance level cutscores for large scale state assessments

Prepare data for SGP analyses

viewSummaryGroups

View summary and confidence interval groups that will be used in summarizeSGP

studentGrowthProjections

Student Growth Projections

studentGrowthPlot

Create a student growth and achievement chart

Analyze student data to produce student growth percentiles and student growth projections