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| From | Douglas Levy <douglas_levy@post.harvard.edu> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: complete data import |
| Date | Wed, 9 Apr 2014 15:18:00 -0400 |
Sergiy, Thanks for the suggestion, Unfortunately, these are raw cash register sales so there is no file further upstream. -Doug On Mon, Apr 7, 2014 at 8:44 PM, Sergiy Radyakin <serjradyakin@gmail.com> wrote: > where record types are not numeric but strings "ITM" "TND" and "MEM", > but the fact that it is a CSV means, perhaps, that someone has already > played with this file, since in all the CSPro files I've seen so far > the storage was positional. Perhaps you can find the raw file > somewhere upstream, then employ > -usecspro- to read it in: > http://ideas.repec.org/p/boc/usug13/17.html > > (slide #9 illustrates the dataset layout of CSPro that is remarkably similar). > > Hope this helps. > > Best, Sergiy Radyakin > > On Mon, Apr 7, 2014 at 3:45 PM, Douglas Levy > <douglas_levy@post.harvard.edu> wrote: >> Hi All, >> I have a complicated .csv file that I'm trying to import and I'm >> hoping you can provide some guidance on the best strategy. See the >> example below. Each record in the file consists of up to 3 line types >> labeled "MEM", "ITM", and "TND". Each line type has a particular >> format. For example, "MEM" line types have var1, var2, and var3. "ITM" >> has var4, var5, and var6. Etc. Each record may or may not have a "MEM" >> line, has 1 or more "ITM" lines, and has 1 "TND" line that ends the >> record. A record is defined as ending with the "TND" line. The "MEM" >> line may come at any point in the record, but is often first. >> >> Example data >> ITM,S,0,1,1.35,5100001261,soup, >> TND,N,0,0,0,1.35,0,0 >> ITM,S,0,1,1.35,5100001261,soup, >> TND,N,0,0,0,1.35,0,0 >> MEM,N,280211400001,,,,, >> ITM,S,0,1,1.35,5100001261,soup, >> TND,N,0,0,0,0,11.28,0 >> ITM,S,0,1,1.29,5000001011,milk, >> TND,N,0,0,0,1.29,0,0 >> MEM,N,280211400159,,,,, >> ITM,S,0,1,1.29,5000001011,milk, >> ITM,S,0,1,1.29,5000001011,milk, >> ITM,S,0,1,1.29,5000001011,milk, >> TND,N,4,0,0,0,0,0 >> >> I'd like to attach a unique record identifier the "TND" line and I'd >> like to attach the "TND" and "MEM" info for a given record to each >> "ITM" line in the record. Ultimately, I'd like the Stata file for the >> above data to look like this, where the number after "soup" or "milk" >> is the record identifier (placement of that variable is not >> important): >> ITM,S,0,1,1.35,5100001261,soup, 1, TND,N,0,0,0,1.35,0,0 >> ITM,S,0,1,1.35,5100001261,soup, 2, TND,N,0,0,0,1.35,0,0 >> ITM,S,0,1,1.35,5100001261,soup, 3, TND,N,0,0,0,0,11.28,0, >> MEM,N,280211400001,,,,, >> ITM,S,0,1,1.29,5000001011,milk, 4, TND,N,0,0,0,1.29,0,0 >> ITM,S,0,1,1.29,5000001011,milk, 5, TND,N,4,0,0,0,0,0, MEM,N,280211400159,,,,, >> ITM,S,0,1,1.29,5000001011,milk, 5, TND,N,4,0,0,0,0,0, MEM,N,280211400159,,,,, >> ITM,S,0,1,1.29,5000001011,milk, 5, TND,N,4,0,0,0,0,0, MEM,N,280211400159,,,,, >> >> Any advice would be most welcome! >> Best, >> Doug >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/faqs/resources/statalist-faq/ >> * http://www.ats.ucla.edu/stat/stata/ > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/