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Administrator<br />

In the bottom diagram, the plot is limited to<br />

Molar_Refractivity from 10 to 33.<br />

Plotting Searches<br />

When you perform queries (see Chapter 23,<br />

“Searching” on page 317), and have one or more<br />

hitlists attached to your form, the BioViz plot<br />

displays the results of the current hitlist. You can<br />

display overlays by selecting hitlists rather than<br />

making them current.<br />

For example, the following plot shows results of a<br />

screening test relative to a control.<br />

To display the results of an overlay on the full list:<br />

1. Open the Queries pane of the Explorer<br />

Window.<br />

2. Double-click on the Full List to make it the<br />

current list.<br />

3. Click the query to select it for display, over the<br />

current list.<br />

To remove outliers more than 2.5SD from the<br />

control:<br />

• Search for “-2.5” in the SDs Above<br />

Control field.<br />

The plot displays the results for the hitlist.<br />

NOTE: By default, the hits are shown on the same<br />

scale as the original list, which may cause them to cluster<br />

in one sector of the window. If this happens, right-click<br />

the plot and choose Rescale to All Points or<br />

Auto-scale. Rescale to All Points operates on the<br />

current datapoints only; Auto-scale sets a switch so that<br />

all subsequent searches and list operations will<br />

automatically rescale the plot.<br />

Selected query shows a check mark ( b )<br />

Selecting a list by single-clicking in the queries tree<br />

(or choosing Color On Plot from the tree context<br />

menu) causes points on the plot to be recolored.<br />

The recolored points are those which are on both<br />

the selected list and the plotted one. You may color<br />

more than one list at a time. When a list is colored<br />

on the plot, its item in the queries tree is shown with<br />

a check mark; clicking it a second time uncolors it<br />

and removes the check mark.<br />

Synchronization of Plots<br />

Multiple plots attached to a form are synchronized.<br />

If you select (mouse over) a point in one plot, the<br />

same point is highlighted in all other plots (and the<br />

related structure is displayed in the Structure<br />

Window).<br />

This behavior is slightly modified if one of the plots<br />

is a histogram. Selecting a histogram bar does not<br />

highlight points in other plots, but selecting a point<br />

in a line or scatter plot will highlight the corresponding<br />

histogram bar.<br />

306•Visualizing Data With BioViz<br />

<strong>CambridgeSoft</strong><br />

Plotting Searches

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