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From |
tashi lama <ltashi32@hotmail.com> |

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

Subject |
RE: st: ado file help |

Date |
Tue, 14 Aug 2012 15:15:42 +0000 |

Works like a magic. Thanx guys. There is a slight problem however. If I were to extend this and include varlist in the syntax, ...... syntax [varlist], STARTdate(str) ENDdate(str) BROKERid(numeric) GRAPHtype(str) obdc load, exec("select date(read_date), count(*) from readership where source_id==`brokerid' and date(read_date) between '`startdate'' and '`enddate'' group by date(read_date)") ....... end and when I call dd var1, startdate("2011-01-01") enddate("2011-01-20") broker(6429) stata isn't happy and returns "no variables defined". It makes kind of sense syntax command doesn't see any data since it is defined before generating dataset. However, I need to define syntax, options to generate dataset in first place. Any idea how to solve this? Thanx tons ----------------------------------- > Date: Tue, 14 Aug 2012 15:40:05 +0100 > Subject: Re: st: ado file help > From: njcoxstata@gmail.com > To: statalist@hsphsun2.harvard.edu > > There are broadly two ways to learn a language, (a) to try it out and > (b) to read about it. Both are needed, but (a) is not working well for > you because you are not giving (b) a fair try. > > 1. Your -syntax- is illegal if only because -numeric- is _not_ allowed > as a keyword by itself. Either you want to specify an integer argument > or a real one. See my email at > http://www.stata.com/statalist/archive/2012-08/msg00396.html for a > recent reminder. > > 2. Your program says that -brokerid()- is an option, but you typed > -brokerod()-. There is another typo in -graphttype()-. > > 3. Also, the purpose of capitalisation in a -syntax- statement is to > signal acceptable abbreviations of option names. It doesn't indicate > how those option names should be typed when invoking a program > yourself. > > Nick > > On Tue, Aug 14, 2012 at 3:26 PM, tashi lama <ltashi32@hotmail.com> wrote: > > Ok. The confusion I had was my arguments were either varlist/namelist/anything and hence I was reading and I quote from Stata "If you type nothing, the command doesn't allow a varlist/namelist/anything". In any case, I had > > ..... > > syntax,STARTdate(str) ENDdate(str) BROKERid(numeric) GRAPHtype(str) > > ... > > obdc load, exec("select date(read_date), count(*) from readership where source_id==`BROKER_id' and date(read_date) between '`STARTdate'' and '`ENDdate'' group by date(read_date)") > > if "`GRAPHtype'"=="pie" { > > ...... > > .. > > end > > > > and when I run > > dd, STARTdate("2011-01-01") ENDdate("2011-01-20") BROKERod(6429) GRAPHTtype("pie") > > stata isn't happy and throws back invalid syntax. > > > > ---------------------------------------- > >> Date: Tue, 14 Aug 2012 01:42:08 +0100 > >> Subject: Re: st: ado file help > >> From: njcoxstata@gmail.com > >> To: statalist@hsphsun2.harvard.edu > >> > >> Daniel's advice is excellent. More directly, answers are > >> > >> 1. No. > >> 2. No. > >> > >> You don't need varlist, namelist, or anything as the four things you > >> want to specify on the command line are all definable as arguments to > >> options. From your own question that would be sufficient. > >> > >> Nick > >> > >> On Mon, Aug 13, 2012 at 11:01 PM, tashi lama <ltashi32@hotmail.com> wrote: > >> > Sorry Nick, this doesn't help much. > >> > 1. Do we not need to define varlist/namelist/anything after syntax > >> > 2. How do you put it as macro in the query. Is it going to be > >> > syntax anything, STARTdate(str) ENDdate(str) BROKERid(numeric) /* anything because the arguments are not varlists > >> > odbc load, exec("select date(read_date), count(*) from readership where source_id=`BROKER_id' and date(read_date) between '`STARTdate'' and '`ENDdate'' group by date(read_date)") > >> > or > >> > odbc load, exec("select date(read_date), count(*) from readership where source_id=`anything list' and date(read_date) between '`anything list'' and '`anything list'' group by date(read_date)") > >> > > >> > ---------------------------------------- > >> >> Date: Mon, 13 Aug 2012 22:25:46 +0100 > >> >> Subject: Re: st: ado file help > >> >> From: njcoxstata@gmail.com > >> >> To: statalist@hsphsun2.harvard.edu > >> >> > >> >> As you want to write a program, you will find it much easier to write > >> >> it in Stata style > >> >> > >> >> program dd > >> >> syntax , STARTdate(str) ENDdate(str) BROKERid(str) GRAPHtype(str) > >> >> > >> >> <whatever> > >> >> > >> >> end > >> >> > >> >> Nick > >> >> > >> >> On Mon, Aug 13, 2012 at 9:41 PM, tashi lama <ltashi32@hotmail.com> wrote: > >> >> > > >> >> > I wrote a do-file a while ago with 4 arguments as follows: > >> >> > > >> >> > begin dofile dd.do > >> >> > clear > >> >> > set more off > >> >> > args graph_type broker_id start_date end_date > >> >> > qui odbc query indigo > >> >> > odbc load, exec("select date(read_date) as date, count(*) as hits from readership where firm_id=`broker_id' and date(read_date) between '`start_date'' and '`end_date'' group by date") > >> >> > if "`graph_type''=="pie" { > >> >> > ............ > >> >> > exit > >> >> > } > >> >> > else { > >> >> > ........ > >> >> > exit > >> >> > } > >> >> > > >> >> > The problem with this code was because args is a positional macros, whatever I enter as `1' would be graph_type, `2' as broker_id and so on. If I enter the following > >> >> > do dd 2011-01-01 pie 2011-01-20 6429 => stata would take 2011-01-01 as graph_type and yields error. > >> >> > > >> >> > This makes this code not so convenient and I would like to attempt to write a code (possible ado file with synatx) so that the code would run when > >> >> > > >> >> > dd graph_type="pie" start_date="2011-01-01" broker_id=6429 end_date="2011-01-20" > >> >> > or > >> >> > dd end_date="2011-01-20" graph_type="line" start_date="2011-01-01" broker_id=6429 > >> >> > > >> >> > I tried but got stuck > >> >> > > >> >> > begin adofile dd > >> >> > clear > >> >> > program dd > >> >> > syntax anything > >> >> > qui odbc ... > >> >> > odbc load, exec("..... > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/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/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: ado file help***From:*Nick Cox <njcoxstata@gmail.com>

**References**:**st: ado file help***From:*tashi lama <ltashi32@hotmail.com>

**Re: st: ado file help***From:*Nick Cox <njcoxstata@gmail.com>

**RE: st: ado file help***From:*tashi lama <ltashi32@hotmail.com>

**Re: st: ado file help***From:*Nick Cox <njcoxstata@gmail.com>

**RE: st: ado file help***From:*tashi lama <ltashi32@hotmail.com>

**Re: st: ado file help***From:*Nick Cox <njcoxstata@gmail.com>

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