The first column
in the table contains the observation label, which is used to identify
observation markers in graphs. You can change the labels for variables
and observations. For details, see Changing Header Labels.
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The second column
contains marker icons that indicate whether an observation is included
in graphs. If you exclude an observation from graphs, then its marker
icon disappears. The shape and color of the marker icons indicate
the following:
You can configure which variable is used to determine marker shapes
and colors by setting data attributes. For details, see Specify Data Attributes.
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The third and
fourth columns function as the FROM and TO nodes for your links. Though
the FROM and TO variables are the first variables in this example
data set, they can correspond to any two columns of your data set.
You specify the names for the FROM and TO variables when you set the
data attributes.
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When you load
both link and node data,
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