# Does Proc means include missing values?

## Does Proc means include missing values?

PROC MEANS excludes missing values for the analysis variables before calculating statistics. Each analysis variable is treated individually; a missing value for an observation in one variable does not affect the calculations for other variables.

What does Maxdec mean in SAS?

specifies the maximum number of decimal places
ID Statement. MAXDEC=number. specifies the maximum number of decimal places to display the statistics in the output.

What is _type_ In Proc means?

The variable _TYPE_ can be used to identify summary subsets from the data set produced by the procedures MEANS and SUMMARY. The value of _TYPE_ is easily calculated by creating a binary value based on combinations of variables in the CLASS statement and then by converting the binary value into a decimal value.

### What does Proc means exclude from the analysis?

If a FREQ variable value is missing or nonpositive, then PROC MEANS excludes the observation from the analysis. If a WEIGHT variable value is missing, then PROC MEANS excludes the observation from the analysis. PROC MEANS tabulates the number of the missing values.

What is special about missing values in Proc means?

Special missing values that represent numeric values (the letters A through Z and the underscore (_) character) are each considered as a separate value. If you omit MISSING, then PROC MEANS excludes the observations with a missing class variable value from the analysis.

What is the default value of proc means?

The default value depends on which quantiles you request. For the median (P50), number is 7. For the quantiles (P25 and P50), number is 25. For the quantiles P1, P5, P10, P75 P90, P95, or P99, number is 105. If you request several quantiles, then PROC MEANS uses the largest value of number.

## What is the difference between Proc means and NOPRINT?

Use NOPRINT when you want to create only an OUT= output data set. displays all requested combinations of class variables (all _TYPE_ values) in the printed or displayed output. Normally, PROC MEANS shows only the NWAY type.