Warning: system is computationally singular: reciprocal condition number = 1.92793e-17

CBIIT / R-cometsAnalytics

R package development for COMETS Analytics

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Warning: system is computationally singular: reciprocal condition number = 1.92793e-17 #46

Closed steven-moore closed 1 year ago

steven-moore commented 6 years ago

Still investigating...

Test using this file and "Age 2.3"

Scrambled CPSII data.xlsx

The minimum level of adjustment to provoke the issue is shown below. Notably, even just adding bmi_grp to the model triggered warning messages about the penrose, etc. matrix: