29.9.40 Interaction Plot

Interaction Plot 01.png

Data Requirements

Select at least one data column and one factor column to create interaction plot by factors.

Creating the Graph

Select required data.

From the menu, select Plot > Statistical: Interaction Plot to open the plot_interaction dialog.

Interaction Plot 02.png

Dialog Controls

Input Specify the input data.
Factors Select N factors which interact with each other.
Matrix Profile This group is similar with that for Scatter Matrix diagram.
  • Matrix Display: There are three arrangments for all N*N layers:
Square

Matrix Display Square.png

Upper Triangular

Matrix Display Upper Triangular.png

Lower Triangular

Matrix Display Lower Triangular.png

  • Show Tick and Label: Choose how to show the tick and labels for all layers. There are three arrangements as below:
None

Ticks None.png

All

Ticks All.png

Alternate

Ticks Alternate.png

Bottom&Left

Ticks Bottom&Left.png

Bottom&Right

Ticks Bottom&Right.png

Top&Left

Ticks Top&Left.png

Top&Right

Ticks Top&Right.png

  • Factor Info in: Specify where the factor names show, in the diagonal cells or each panel.
Graph Template Specify the template to plot the interaction plot.

By default, the built-in template interaction is used; Uncheck Auto check box to browse and select a user template, to apply the format you saved in advance.

Output Output the plot data to specified sheet.
Output Graphs Output the result graph(s) to specified sheet.

Template

interaction.OTPU(installed to the Origin program folder).

Notes

The interaction plot looks like a Scatter Matrix, shows a matrix of interaction plots. In a Interaction plot, the number of rows and columns are both equal to the number of grouping variables(factors), each panel(except the diagonal panels) indicates the interaction of the row effect with the column effect.

When you select N factors, you will get N*N layers(cells). By default, the diagonal cells show labels for each factor. For the (N, M) cell, get the mean of data column by Nth and Mth factor. Then plot Mth factor in X direction against Y as line+symbol plot, Nth factor set to subset column. Note: Cell (N, M) and (M, N) share the same data in the result plot data sheet.

Interaction Plot 03.png

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