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Chapter 5 Properties and Characteristics of Data 153
Assigning Properties to Columns
Action
Set minimum and maximum
values you want the graph to
display.
Specify the number of
increments on the graph
Specify the number of minor
tick marks on the graph
Instructions
Type values in the box beside Min and Max.
Type the number in the box beside Inc.
Type the number in the box beside Minor Ticks. Then,
click the boxes beside Show Minor Ticks.
5 Data Properties
View major tick marks, major
gridlines, minor gridlines, and
labels
Display the labels on the x-axis
vertically instead of
horizontally
Add up to four reference lines
to the graphs
Change the orientation of the
axis labels
Click the boxes beside Show Major Ticks, Show Minor
Ticks, Show Major Grid, Show Minor Grid, and Show
Labels.
Click the box beside Rotated Labels.
In the boxes under Ref Lines, type a value for each, and
up to four lines will appear on your graphs at the
indicated positions.
Horizontal and Vertical describe orientations for single
axes. Perpendicular and Parallel describe orientations
for paired axes (for example, in Scatterplot Matrices)
4 Click OK. The properties icon ( ) now appears next to the column name in the data table’s
column panel, indicating the column contains a property.
An alternate way to set the default axis properties for a column is to:
1 Create the graph.
2 Change the axis to your preferred specifications. (See “Customizing Axes and Axis Labels,” p. 200.)
3 Right-click the axis and select Save to Column Property. The properties icon ( ) now appears
next to the column name in the data table’s column panel, indicating the column contains a
property.
Defining Low and High Values (DOE Coding) for Columns
When you fit a column in a model, the low and high values of the column are transformed to –1 and 1,
which makes tests and parameter estimates more meaningful. This is referred to as coding and can be
used for any continuous variable. It is the default for continuous factors generated by the DOE
commands in JMP. Note that if a column has one or more limits missing, JMP substitutes the data’s
minimum and maximum for the high and low values.
To specify which values you want to use as the low and high values in a column
1 Double-click the column name in the data grid. The Column Info window appears.