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SGP (version 1.2-0.0)

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

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

1.2-0.0

License

GPL-2

Issues

Pull Requests

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Repository

https://github.com/CenterForAssessment/SGP

Homepage

http://centerforassessment.github.io/SGP/

Maintainer

Damian Betebenner

Last Published

January 28th, 2014

Functions in SGP (1.2-0.0)

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

Test SGP Package functions

Analyze student data to produce student growth percentiles and coefficient matrices from a baseline (i.e. multiple cohort) norm group

splineMatrix-class

Class "splineMatrix"

bubblePlot_Styles

bubblePlot_Styles providing various uses of the core bubblePlot function

growthAchievementPlot

growthAchievementPlot for SGP

Prepare data for SGP analyses

createKnotsBoundaries

Function to create Knots and Boundaries from supplied data in LONG format.

Combine student data and SGP results

studentGrowthPercentiles

Student Growth Percentiles

Output student data and SGP results for a variety of purposes

Visualize data from SGP analyses

studentGrowthPlot_Styles

studentGrowth_Styles providing base templates for the core studentGrowthPlot function

Perform 6 step sequence: prepareSGP, analyzeSGP, combineSGP, summarizeSGP, visualizeSGP, and outputSGP

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

State assessment program data from large scale state assessments for use with SGP package

Function to update SGP object with additional year's analyses

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

Core bubblePlot function for SGP

studentGrowthPlot

Create a student growth and achievement chart

studentGrowthProjections

Student Growth Projections

Function for producing goodness of fit plots using existing SGP object

Function for converting all caps to mixed case. Useful in data cleaning.