Colored Correlation Plot - R Statistics

Uses R Statistics to display the colored correlation plot - correlogram- in corrplot.pdf

 

 

From the Plots menu:

 

 

 

The Colorful Correlation Plot dialog window:

 

 

 

Option

Description

Select field:

7. Standardized Score Residual

Numerical data accepted.

Persons are rows, items are columns

Persons are columns, items are rows

The columns are treated as items (variables) in this analysis.

Omit persons with missing data

Omit items with missing data

Keep persons/items with missing data

Missing data is allowed

Column labels

Shown in plot

Row labels

included in R data frame but ignored for correlations

Print correlations

A correlation matrix is displayed in the R analysis window

Decimal places

Number of decimal places to be shown for each correlation

Print correlation summary

A few summary statistics of the correlation matrix

Display colorful correlation plot

Plot is shown in an R Graphics window

Omit columns with no finite correlations

missing and incalculable correlations are shown as blanks spaces. Blank rows and columns can be hidden from the display

Select the visualization you want:

The colored shape in the correlation matrix plot

Shape of plot

Shape of the displayed correlation matrix: Full, Upper Triangular, Lower Triangular.

Ordering of correlation rows in plot

For technical details, see An Introduction to corrplot Package

Show values in cells

Also displays numerical correlation in each cell

 

Output from R Statistics:

 

Correlation matrix:

 

Colorful correlation plot - visualization "color" with option hclcust so that similar correlations are clustered together.

:

 


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