I am analyzing a survey data with a raw sample size of about 2.7 million, when I run the proc survey procedures, the sample size comes down to about 2 million and I am sure this is not explained by the missing data because I ran the proc freq and the missing data were very small and the sample size with the normal proc procedures was 2.7 million. Does anyone know why? Thanks.
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data combined; 1844 set new10 new11 new12 new13 new14; 1845 run; WARNING: Multiple lengths were specified for the variable NIS_STRATUM by input data set(s). This can cause truncation of data. ERROR: Windows error code: 23 in hc_disk_normal_read for C:\Users\Olajide\AppData\Local\Temp\SAS Temporary Files\_TD65924_WINDOWS-329L0KE_\new11.sas7bdat, Data error (cyclic redundancy check). ERROR: File WORK.NEW11.DATA is damaged. I/O processing did not complete. NOTE: The DATA step has been abnormally terminated. NOTE: The SAS System stopped processing this step because of errors. NOTE: There were 7800441 observations read from the data set WORK.NEW10. NOTE: There were 1959251 observations read from the data set WORK.NEW11. WARNING: The data set WORK.COMBINED may be incomplete. When this step was stopped there were 9759692 observations and 233 variables. WARNING: Data set WORK.COMBINED was not replaced because this step was stopped.
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I am sure I put in the correct code. The process started running but never completed the process for over an hour . The previous code I ran took 6 minutes .
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I tried running proc freq on a dataset with 15000000 observations and the program froze. I had to restart it and this happened many times. My RAM is 8gb, do I need to upgrade the ram to run large dataset ?
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