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SAS/IML Studio Comparison with SAS/INSIGHT

SAS/INSIGHT will not be available after the SAS 9.2 release. SAS/IML Studio may be an alternative for some SAS/INSIGHT users.

There are three major differences between the two products. The first is that SAS/IML Studio runs on a PC in the Microsoft Windows operating environment. It is client software that can connect to SAS servers (in later phases of SAS 9.2). The SAS server might be running on a different computer than SAS/IML Studio. In contrast, SAS/INSIGHT runs on the same computer on which SAS is installed.

A second major difference is that SAS/IML Studio is programmable, and therefore extensible. SAS/INSIGHT contains standard statistical analyses that are commonly used in data analysis, but you cannot create new analyses. In contrast, you can write programs in IML Studio that call any licensed SAS procedure, and you can include the results of that procedure in graphics, tables, and data sets.

A third major difference is that the SAS/IML Studio statistical graphics are programmable. You can add legends, curves, and other features to the graphics in order to better analyze and visualize your data.

SAS/IML Studio contains many features that are not available in SAS/INSIGHT. General features that are unique to SAS/IML Studio include the following:

• SAS/IML Studio can connect to multiple SAS servers simultaneously.
• SAS/IML Studio can run multiple programs simultaneously in different threads, each with its own WORK library.
• SAS/IML Studio sessions can be driven by a program and rerun.

The following list presents features of SAS/IML Studio data views (tables and plots) that are not included in SAS/INSIGHT:

• SAS/IML Studio provides a line plot in which the lines can be defined by specifying a single X and Y variable and one or more grouping variables.
• SAS/IML Studio supports a polygon plot that can be used to build interactive regions such as maps.
• SAS/IML Studio provides programmatic methods to draw legends, curves, or other decorations on any plot.
• SAS/IML Studio provides programmatic methods to attach a menu to any plot. After the menu is selected, a user-specified program is run.
• SAS/IML Studio supports arbitrary unions and intersections of observations selected in different views.

SAS/IML Studio also provides the following analyses and options that are not included in SAS/INSIGHT:

• SAS/IML Studio can be programmed to call any licensed SAS analytical procedure and any IML function or subroutine.
• SAS/IML Studio detects outliers in contaminated Gaussian data.
• SAS/IML Studio fits robust regression models and detects outliers and high-leverage observations.
• SAS/IML Studio supports the generalized linear model with a multinomial response.
• SAS/IML Studio creates graphical results for the analysis of logistic models with one continuous effect and a small number of levels for classification effects.
• SAS/IML Studio provides parametric and nonparametric methods of discriminant analysis.
• SAS/IML Studio provides common factor analysis for interval variables.
• SAS/IML Studio provides correspondence analysis for nominal variables.