Programming the statistical procedures from SAS

number of observations read versus used in proc glmselect

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Frequent Contributor
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number of observations read versus used in proc glmselect

Could anyone please be so kind and explain why the 'number of observations used' could ver be lower than the 'number of observations read' when I use proc glmselect? Thanks!

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Posts: 18,586

Re: number of observations read versus used in proc glmselect

You have missing values which are automatically excluded. 

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