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From |
Sergiy Radyakin <serjradyakin@gmail.com> |

To |
"statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: Count observations |

Date |
Tue, 23 Jul 2013 12:40:27 -0400 |

See if any of this is closer to what you want, if not, please show the manually created result for your example. Best, Sergiy clear input byte id str1 feetype 1 "A" 1 "B" 1 "C" 2 "C" 2 "A" 3 "A" 4 "B" 4 "Z" 4 "A" end list, sepby(id) gen c=1 sort id feetype collapse c, by(id feetype) list, sepby(id) reshape wide c, i(id) j(feetype) string list +------------------+ | id feetype c | |------------------| 1. | 1 A 1 | 2. | 1 B 1 | 3. | 1 C 1 | |------------------| 4. | 2 A 1 | 5. | 2 C 1 | |------------------| 6. | 3 A 1 | |------------------| 7. | 4 A 1 | 8. | 4 B 1 | 9. | 4 Z 1 | +------------------+ +------------------------+ | id cA cB cC cZ | |------------------------| 1. | 1 1 1 1 . | 2. | 2 1 . 1 . | 3. | 3 1 . . . | 4. | 4 1 1 . 1 | +------------------------+ On Tue, Jul 23, 2013 at 12:06 PM, Miguel Angel Duran Munoz <maduran@uma.es> wrote: > Thank you very much for your help. Let me explain a bit more why -count- > did not work. There is something in my variables that I did not make > explicit in my first message (I thought could solve it on my own after > being helped, but it is not the case). > > As I told you, the variable fee describes the type of fee (eg, A B C). > Nevertheless, the dataset is constructed in a way that A and B, for > instance, are the same (specifically, I have "commitment fee" and > "commitment regular fee", but both types are the same). But, although A > and B are the same, they both might be included for the same firm. > > Therefore, given this illustrative dataset, > > Id Type-of-fee > > 1 A > 1 B > 1 C > 2 C > 2 A > 3 A > 4 B > 4 . > 4 A > > there are 4 firms that have either A or B. I was trying to use this, > -bysort id: count if fee=="A" | fee=="B", but what I get is (obsviously) > split by firms. > > I am sorry for the initial confusion. > > Miguel. > > Unclear why it does not work. It works with the following: >> >> ******* start example >> clear all >> input id >> 1 >> 1 >> 1 >> 2 >> 2 >> 3 >> 4 >> 4 >> 4 >> end >> input str2 fee >> A >> B >> C >> C >> A >> A >> B >> "" >> A >> count if fee=="A" >> ******* end example >> >> Notice that another alternative is -tab fee- >> >> -----Original Message----- >> From: owner-statalist@hsphsun2.harvard.edu >> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Miguel Angel >> Duran Munoz >> Sent: Tuesday, July 23, 2013 10:51 AM >> To: statalist@hsphsun2.harvard.edu >> Subject: Re: st: Count observations >> >> Hi, Statalisters. I have the following doubt. My dataset is arranged in >> the following way. I have a variable that identifies firms (say id). >> Another variable describes whether different types of fees (eg, A B C) >> applies to a firm. Accordingly, the dataset looks similar to >> >> Id Type-of-fee >> >> 1 A >> 1 B >> 1 C >> 2 C >> 2 A >> 3 A >> 4 B >> 4 . >> 4 A >> >> I would like to know, for instance, the number of A fees that there are. I >> have used -count- but I am not able to get what I want. Will you please >> help me? >> >> Thanks in advance. >> >> Miguel. >> >> >> * >> * 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/ * * 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/

**References**:**Re: st: Count observations***From:*"Miguel Angel Duran Munoz" <maduran@uma.es>

**RE: st: Count observations***From:*"Impavido, Gregorio" <GImpavido@imf.org>

**RE: st: Count observations***From:*"Miguel Angel Duran Munoz" <maduran@uma.es>

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