3D x-y-z Scatterplot - R Statistics

Produces a 3-dimensional scatterplot using R Statistics.

 

1.Install R-Statistics (once only)

2.Run the Winsteps analysis.

3.Plots menu

4.Click on the 3D Scatterplot
Submenu of Output Files displays

5.Click on the Output File containing the 3 columns of numbers you want to scatterplot

6.3D Scatterplot Control dialog box displays

 

 

7.Choose the variables for the x-, y- and z-axis values

8.Select Color cluster? and choose Colored? points.

9.Make other changes (if any)

10.Click on '3D Scatterplot" button

11.R Statistics launches

12.3D Scatterplot displays.

 

 

 

 

3D Scatterplot Control

scatterplot3d instruction

Meaning

Default:

Plotting values from:

scatterplot3d (xyz,

xyz is generated from a Winsteps output File.

Input file containing 3 columns of numbers

DISFILE= distractor file

x-axis values

first column in xyz

values on x-axis

column 1 in output file

y-axis values

second column in xyz

values on y-axis

column 2 in output file

z-axis values

third column in xyz

values on z-axis

column 3 in output file

Color cluster?

color=

use values to construct colored clusters of points

yes

Top title:

main=

title above scatterplot.

TITLE=

Bottom title

sub=

title beneath scatterplot

name of Output file

x-axis title

xlab=

label for x-axis

title of x-value column

y-axis title

yab=

label for y-axis

title of y-value column

z-axis title

zlab=

label for z-axis

title of z-value column

Type of plot: Points, Lines, Points and lines, Vertical lines

type=

how the points are displayed on the plot

Points

Draw axes?

axis=

are the x-, y-, z- axes shown

Yes

Show tick marks?

tick.marks=

are the tick marks shown on the axes?

Yes

Labels tick marks?

label.tick.marks=

do the tick marks have numerical labels?

Yes

Highlight 3D?

highlight.3d=

some points emphasized in black

No

Show grid?

grid=

gridlines shown on x, z axis plane

Yes

Box around plot?

box=

enclose plotted points in a box?

Yes

Scale of y-axis

scale.y=

scale of y-axis relative to x-axis

set by software

y-label padding

y.margin.add=

extra gap between y-axis label and y-axis

set by software

Colored? points

color=

up to 4 colors for 4 clusters of points. For black:

Set: Greys

Color number: 9

Set 1, colors 1, 5, 7, 8

Colored? axes, grid, labels

col.axis=m col.grid=, col.lab=

color to use when displaying these elements. If blank, the color is black.

Set 1, colors 2, 3, 4

Set:

RColorBrewer palette. .

 

range of colors for Colored? Some palettes are shown.

For all, type at the R prompt:

> display.brewer.all()

Set1. Colors in each set are numbered from 1 onwards.

Font type: axis, label

font.axis=, font.grid=

 

font style on for axis labels and other labels

Plain

Plain, Italic, Bold, Bold Italic

values for font.axis=, font.grid=

font style on plot

Plain

Point symbol

pch=

symbol ot use for plotted points

1, small circle

Magnification:  Point symbols, Axis annotation, Labels

cex.symbol=, cex.axis=, cex.lab=

change size of symbols and letters

set by software

Line-type: Axis, Grid, Hidden, Vertical

lty.axis=, lty.grid=, lty.hide=, lty.hplot=

format of plotted lines

solid

Solid, Dashed, Dotted, Dotdash, Longdash, Twodash, None

available line options

formatted of plotted lines. None = no line shown

solid

3D Scatterplot

launch R statistics: scatterplot3d

3D x-y-z scatterplot is displayed

library(scatterplot3d)

> scatterplot3d(...

Exit


current dialog box setting are saved and dialog box is closed


Cancel


dialog box is closed. Setting of most recent displayed scatter box are saved.


Reset to defaults


all values are reset to their default values

settings are reset to default values when Winsteps is launched


Help for Winsteps Rasch Measurement and Rasch Analysis Software: www.winsteps.com. Author: John Michael Linacre

Facets Rasch measurement software. Buy for $149. & site licenses. Freeware student/evaluation Minifac download
Winsteps Rasch measurement software. Buy for $149. & site licenses. Freeware student/evaluation Ministep download

Rasch Books and Publications
Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, 2nd Edn, 2024 George Engelhard, Jr. & Jue Wang Applying the Rasch Model (Winsteps, Facets) 4th Ed., Bond, Yan, Heene Advances in Rasch Analyses in the Human Sciences (Winsteps, Facets) 1st Ed., Boone, Staver Advances in Applications of Rasch Measurement in Science Education, X. Liu & W. J. Boone Rasch Analysis in the Human Sciences (Winsteps) Boone, Staver, Yale
Introduction to Many-Facet Rasch Measurement (Facets), Thomas Eckes Statistical Analyses for Language Testers (Facets), Rita Green Invariant Measurement with Raters and Rating Scales: Rasch Models for Rater-Mediated Assessments (Facets), George Engelhard, Jr. & Stefanie Wind Aplicação do Modelo de Rasch (Português), de Bond, Trevor G., Fox, Christine M Appliquer le modèle de Rasch: Défis et pistes de solution (Winsteps) E. Dionne, S. Béland
Exploring Rating Scale Functioning for Survey Research (R, Facets), Stefanie Wind Rasch Measurement: Applications, Khine Winsteps Tutorials - free
Facets Tutorials - free
Many-Facet Rasch Measurement (Facets) - free, J.M. Linacre Fairness, Justice and Language Assessment (Winsteps, Facets), McNamara, Knoch, Fan
Other Rasch-Related Resources: Rasch Measurement YouTube Channel
Rasch Measurement Transactions & Rasch Measurement research papers - free An Introduction to the Rasch Model with Examples in R (eRm, etc.), Debelak, Strobl, Zeigenfuse Rasch Measurement Theory Analysis in R, Wind, Hua Applying the Rasch Model in Social Sciences Using R, Lamprianou El modelo métrico de Rasch: Fundamentación, implementación e interpretación de la medida en ciencias sociales (Spanish Edition), Manuel González-Montesinos M.
Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch Rasch Models for Measurement, David Andrich Constructing Measures, Mark Wilson Best Test Design - free, Wright & Stone
Rating Scale Analysis - free, Wright & Masters
Virtual Standard Setting: Setting Cut Scores, Charalambos Kollias Diseño de Mejores Pruebas - free, Spanish Best Test Design A Course in Rasch Measurement Theory, Andrich, Marais Rasch Models in Health, Christensen, Kreiner, Mesba Multivariate and Mixture Distribution Rasch Models, von Davier, Carstensen
As an Amazon Associate I earn from qualifying purchases. This does not change what you pay.

facebook Forum: Rasch Measurement Forum to discuss any Rasch-related topic

To receive News Emails about Winsteps and Facets by subscribing to the Winsteps.com email list,
enter your email address here:

I want to Subscribe: & click below
I want to Unsubscribe: & click below

Please set your SPAM filter to accept emails from Winsteps.com
The Winsteps.com email list is only used to email information about Winsteps, Facets and associated Rasch Measurement activities. Your email address is not shared with third-parties. Every email sent from the list includes the option to unsubscribe.

Questions, Suggestions? Want to update Winsteps or Facets? Please email Mike Linacre, author of Winsteps mike@winsteps.com


State-of-the-art : single-user and site licenses : free student/evaluation versions : download immediately : instructional PDFs : user forum : assistance by email : bugs fixed fast : free update eligibility : backwards compatible : money back if not satisfied
 
Rasch, Winsteps, Facets online Tutorials


 

 

 

Our current URL is www.winsteps.com

Winsteps® is a registered trademark