SGP (version 0.7-1.0)

studentGrowthPlot: Create a student growth and achievement chart

Description

Function used to produce individual student growth and achievement timelines/plots for based upon output from student growth percentile analyses. Function is integrated with stateData to accommodate state specific scales and nomenclature including performance level names.

Usage

studentGrowthPlot(Scale_Scores,
	Plotting_Scale_Scores, 
	Achievement_Levels, 
	SGP, 
	SGP_Levels, 
	Grades, 
	Cuts_NY1,
	Connect_Points="Arrows",
	Cutscores,
	Report_Parameters)

Arguments

Scale_Scores

A vector of historical scale scores.

Plotting_Scale_Scores

A vector of scale scores used as the vertical coordinates for plotting. If supplied, Scale_Scores are used for text and Plotting_Scale_Scores are used for the actual coordinates.

Achievement_Levels

A vector of historical performance levels.

SGP

A vector of historical student growth percentiles.

SGP_Levels

A vector of historical growth (SGP) levels (e.g., low, typical, high).

Grades

A vector of historical grades student was tested in.

Cuts_NY1

A vector of cuts scores for next year.

Connect_Points

Argument specifying how historical achievement scores are connected in the studentGrowthPlot. Currently accepts either Arrows, the default, or None.

Cutscores

A data.frame of long formatted achievement level cutscores.

Report_Parameters

A list containing arguments: Current_Year, Content_Area, State.

Value

• Returns a studentGrowthPlot graphical object for the content area specified. More documentation to follow.

Details

Function currently used as part of SGP package to produce student growth charts for states. More documentation to follow.