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< Plot Options

Add Inference Information

iNZight provides users with an easy interface for adding inference information to plots, using "normal theory" or bootstrap methods. The inference options available again depend on the type of plot drawn.

Scatter Plot Inference

If a scatter plot is drawn, you must first add trend lines before you can obtain inference information. This is done using the Add to Plot button, selecting Add trend line and selecting one or more trends (this includes the smoother).

Having added a trend line or lines, the inference information will generate 30 bootstrap trend lines and display these on the graph, giving users an idea of the precision of the estimated curve.

Dot Plot Inference

Dot plot inference window

Dot plots, by default, provide a box plot which provides an estimate of the Median, as well as the 25% and 75% quantiles. Users are then presented with three options:

Bar Plot Inference

Bar plot inference window

The inference information for bar plots is computed for the estimated proportions, using normal theory or bootstrap techniques.