Thank you, I'll try that. ... View more

1 OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK; 72 73 74 title "Length of Stay"; 75 symbol v=dot; 76 77 proc shewhart data=work.nowsbaseline_sorted; 78 xschart neonatald*measureperiodid/haxis='01SEP2020'd to'01JUL2021'd by month; 79 *xschart neonatald*measureperiodid; 80 run; NOTE: Processing beginning for XSCHART statement number 1. ERROR: HAXIS values must be uniformly spaced. WARNING: Default axis scaling will be used. NOTE: Three-sigma limits are assumed. NOTE: TYPE=ESTIMATE is assumed for the process mean and standard deviation used to compute the control limits. NOTE: Since the format MMDDYY is associated with the subgroup variable MeasurePeriodID, it is assumed that the natural interval between subgroup positions is one DAY. NOTE: The REPEAT option is assumed when a MMDDYY format is used with a subgroup variable. NOTE: There were 146 observations read from the data set WORK.NOWSBASELINE_SORTED. NOTE: PROCEDURE SHEWHART used (Total process time): real time 1.67 seconds user cpu time 0.79 seconds system cpu time 0.06 seconds memory 40867.59k OS Memory 71280.00k Timestamp 07/07/2021 08:46:54 PM Step Count 44 Switch Count 0 Page Faults 0 Page Reclaims 13755 Page Swaps 0 Voluntary Context Switches 1675 Involuntary Context Switches 3 Block Input Operations 0 Block Output Operations 5176 81 82 OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK; 94 ... View more

I tried that code but I got the same result.   ... View more