Hi Claudia:
I am not an SPSS person but there seems to be an easy answer in principle. Assume that you have created your two data files. You would want to merge the two versions of a variable into a test file and then subtract one version from the other. The M should be 0, and there should be no nonzero values in the results column. A stem-and-leaf plot should identify the individual nonzero values and then you would do a 'find' to locate that value in the column. Ken On Tue, 05 Mar 2002 13:05:31 -0600 Claudia Stanny <[EMAIL PROTECTED]> wrote: > This question is a little off-topic with respect to most undergraduate > teaching, but I know there are several savvy statisticians on this list who > might have an answer to this question: > > Does SPSS have a mechanism by which I can verify the accuracy of a large > SPSS data file by creating two independent versions of the file and > comparing them? We plan to compute and compare descriptive statistics > computed for each variable for the two independent versions of the data, > but this will only those identify variables with data discrepancies. Is > there a procedure for doing a cell-by-cell parity comparison and identify > cells in the two files that have different entries? I am looking for a > procedure that will do what keypunch operators used to do -- verifying the > accuracy of punched cards by repunching them. > > Thanks in advance. > > Claudia Stanny > > > > > ________________________________________________________ > > Claudia J. Stanny, Ph.D. e-mail: [EMAIL PROTECTED] > Department of Psychology Phone: (850) 474 - 3163 > University of West Florida FAX: (850) 857 - 6060 > Pensacola, FL 32514 - 5751 > > Web: http://www.uwf.edu/psych/stanny.html > ---------------------- Kenneth M. Steele, Ph.D. [EMAIL PROTECTED] Dept. of Psychology Appalachian State University Boone, NC 28608 USA --- You are currently subscribed to tips as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED]
