The HPQUANTSELECT procedure might issue an error if any of the variables specified in the MODEL statement have very small constant values. Possible error messages include:

ERROR: Invalid Operation.
ERROR: Termination due to Floating Point Exception
ERROR: A floating point exception or access violation occurred that prevents progress of the analysis.

If the dependent variable has a constant value of zero, you can circumvent the problem by creating an alternative near-zero and near-constant variable to use in the model. For example, if the dependent variable is y, a variable such as the following New_y could be used instead:

Similarly, if the dependent variable is near zero and constant, you can circumvent the problem by creating a new variable and introducing a small amount of variation:

There is no circumvention for the problem if an error is caused by a very small constant effect (independent variable) in the model.

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Operating System and Release Information

A fix for this issue for SAS Threaded Kernel Extensions for High-Performance Statistics 14.1 is available at:

A fix for this issue for SAS High-Performance Statistics 14.1 is available at: