why didnt you call it procunivariate if that was exactly what you wanted to do .....
On Tue, Mar 3, 2009 at 7:11 PM, Frank E Harrell Jr <f.harr...@vanderbilt.edu > wrote: > Ajay ohri wrote: > >> for an " inefficient " language , it sure has dominated the predictive >> analytics world for 3 plus decades. >> I referred once to intellectual jealousy between newton and liebnitz. >> >> i am going ahead and creating the R package called "Anne". >> >> It basically is meant only for SAS users who want to learn R , >> without upsetting the schedule of the corporate users. >> >> Simply put , it is a wrapper on SAS language using the function >> command...ie >> procunivariate function in "Anne" package would call the summary function >> and so on... >> > > Go ahead and add to the confusion. You've already created some by using > summary for procunivariate. I created the describe function in the Hmisc > package to replace univariate. > > Frank > > >> Regards, >> >> Ajay >> >> www.decisionstats.com >> >> On Tue, Mar 3, 2009 at 9:20 AM, Greg Snow <greg.s...@imail.org> wrote: >> >> This does not really address my point. Yes, if the few nerds who want to >>> do funny stuff are the ones making the purchase, then there is a good >>> chance >>> (but still not guaranteed) that they will get IML, but do all companies >>> that >>> buy SAS actually think about that, or do they just see the extra price >>> (no >>> matter how low), or not even think to look at that piece because the >>> person >>> making the purchase does not really the funny things you can do with it. >>> >>> If you want your SAS code to be able to be run by anyone with SAS, you >>> cannot assume that they have IML. If you want your R code to be run by >>> anyone, you cannot make your code dependent on packages/tools that are >>> not >>> available for all platforms. >>> >>> -- >>> Gregory (Greg) L. Snow Ph.D. >>> Statistical Data Center >>> Intermountain Healthcare >>> greg.s...@imail.org >>> 801.408.8111 >>> >>> >>> -----Original Message----- >>>> From: Gerard M. Keogh [mailto:gmke...@justice.ie] >>>> Sent: Monday, March 02, 2009 3:22 AM >>>> To: Greg Snow >>>> Cc: Frank E Harrell Jr; R list; r-help-boun...@r-project.org >>>> Subject: Re: [R] Inefficiency of SAS Programming >>>> >>>> Yes Greg, >>>> >>>> but if you're buying SAS they'll throw in IML pretty cheaply - SAS >>>> think >>>> it's only for a few nerds out there who wan to do funny stuff. >>>> >>>> G >>>> >>>> >>>> >>>> Greg Snow >>>> <greg.s...@imail. >>>> org> >>>> To >>>> Sent by: "Gerard M. Keogh" >>>> r-help-boun...@r- <gmke...@justice.ie>, Frank E >>>> project.org Harrell Jr >>>> <f.harr...@vanderbilt.edu> >>>> >>>> cc >>>> 27/02/2009 19:05 "r-help-boun...@r-project.org" >>>> <r-help-boun...@r-project.org>, >>>> R >>>> list <r-h...@stat.math.ethz.ch> >>>> >>>> Subject >>>> Re: [R] Inefficiency of SAS >>>> Programming >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> But SAS/IML is not part of base SAS, it costs extra, so there is a good >>>> chance that a user that has SAS will not be able to run code that uses >>>> SAS/IML. >>>> >>>> I have known of SAS programmers who know IML well that still write >>>> matrix/vector tools using macros or proc transpose so that a user >>>> without >>>> IML can still use the code (the fact that the code that started this >>>> thread >>>> was found on a website, suggests that it was meant for general use >>>> rather >>>> than something only used internally where you know what add-ons will be >>>> available). >>>> >>>> Just another way that R makes life easier for both programmer and user. >>>> >>>> >>>> -- >>>> Gregory (Greg) L. Snow Ph.D. >>>> Statistical Data Center >>>> Intermountain Healthcare >>>> greg.s...@imail.org >>>> 801.408.8111 >>>> >>>> >>>> -----Original Message----- >>>>> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- >>>>> project.org] On Behalf Of Gerard M. Keogh >>>>> Sent: Friday, February 27, 2009 7:19 AM >>>>> To: Frank E Harrell Jr >>>>> Cc: r-help-boun...@r-project.org; R list >>>>> Subject: Re: [R] Inefficiency of SAS Programming >>>>> >>>>> Yes Frank, I accept your point but nevertheless IML is the proper >>>>> >>>> place >>>> >>>>> for >>>>> matrix work in SAS - mixing macro-level logic and computation is >>>>> another >>>>> question - R is certainly more seemless in this respect. >>>>> >>>>> Gerard >>>>> >>>>> >>>>> >>>>> Frank E Harrell >>>>> Jr >>>>> <f.harr...@vander >>>>> To >>>>> bilt.edu> "Gerard M. Keogh" >>>>> <gmke...@justice.ie> >>>>> 27/02/2009 13:55 >>>>> cc >>>>> R list <r- >>>>> h...@stat.math.ethz.ch>, >>>>> r-help-boun...@r-project.org >>>>> >>>>> Subject >>>>> Re: [R] Inefficiency of SAS >>>>> Programming >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Gerard M. Keogh wrote: >>>>> >>>>>> Frank, >>>>>> >>>>>> I can't see the code you mention - Web marshall at work - but I >>>>>> >>>>> don't >>>> >>>>> think >>>>> >>>>>> you should be too quick to run down SAS - it's a powerful and >>>>>> >>>>> flexible >>>>> >>>>>> language but unfortunately very expensive. >>>>>> >>>>>> Your example mentions doing a vector product in the macro language >>>>>> >>>>> - >>>> >>>>> this >>>>> >>>>>> only suggest to me that those people writing the code need a crash >>>>>> >>>>> course >>>>> >>>>>> in SAS/IML (the matrix language). SAS is designed to work on >>>>>> >>>>> records >>>> >>>>> and >>>>> so >>>>> >>>>>> is inapproprorriate for matrices - macros are only an efficient >>>>>> >>>>> code >>>> >>>>> copying device. Doing matrix computations in this way is pretty mad >>>>>> >>>>> and >>>>> the >>>>> >>>>>> code would be impossible never mind the memory problems. >>>>>> SAS recognise that but a lot of SAS users remain familiar with IML. >>>>>> >>>>>> In IML by contrast there are inner, cross and outer products and a >>>>>> >>>>> raft >>>>> of >>>>> >>>>>> other useful methods for matrix work that R users would be familiar >>>>>> >>>>> with. >>>>> >>>>>> OLS for example is one line: >>>>>> >>>>>> b = solve(X`X, X`y) ; >>>>>> rss = sqrt(ssq(y - Xb)) ; >>>>>> >>>>>> And to give you a flavour of IML's capabilities I implemented a SAS >>>>>> >>>>> version >>>>> >>>>>> of the MARS program in it about 6 or 7 years ago. >>>>>> BTW SPSS also has a matrix language. >>>>>> >>>>>> Gerard >>>>>> >>>>> But try this: >>>>> >>>>> PROC IML; >>>>> ... some custom user code ... >>>>> ... loop over j=1 to 10 ... >>>>> ... PROC GENMOD, output results back to IML >>>>> ... >>>>> >>>>> IML is only a partial solution since it is not integrated with the >>>>> >>>> PROC >>>> >>>>> step. >>>>> >>>>> Frank >>>>> >>>>> >>>>>> >>>>>> >>>>>> Frank E Harrell >>>>>> Jr >>>>>> <f.harr...@vander >>>>>> >>>>> To >>>>> >>>>>> bilt.edu> R list <r- >>>>>> >>>>> h...@stat.math.ethz.ch> >>>>> >>>>> Sent by: >>>>>> >>>>> cc >>>>> >>>>>> r-help-boun...@r- >>>>>> project.org >>>>>> >>>>> Subject >>>>> >>>>>> [R] Inefficiency of SAS >>>>>> >>>>> Programming >>>>> >>>>>> 26/02/2009 22:57 >>>>>> >>>>>> >>>>>> >>>>>> If anyone wants to see a prime example of how inefficient it is to >>>>>> program in SAS, take a look at the SAS programs provided by the US >>>>>> Agency for Healthcare Research and Quality for risk adjusting and >>>>>> reporting for hospital outcomes at >>>>>> http://www.qualityindicators.ahrq.gov/software.htm . The >>>>>> >>>>> PSSASP3.SAS >>>> >>>>> program is a prime example. Look at how you do a vector product in >>>>>> >>>>> the >>>>> >>>>>> SAS macro language to evaluate predictions from a logistic >>>>>> >>>>> regression >>>> >>>>> model. I estimate that using R would easily cut the programming >>>>>> >>>>> time >>>> >>>>> of >>>>> >>>>>> this set of programs by a factor of 4. >>>>>> >>>>>> Frank >>>>>> -- >>>>>> Frank E Harrell Jr Professor and Chair School of >>>>>> >>>>> Medicine >>>> >>>>> Department of Biostatistics Vanderbilt >>>>>> >>>>> University >>>>> >>>>>> ______________________________________________ >>>>>> R-help@r-project.org mailing list >>>>>> https://stat.ethz.ch/mailman/listinfo/r-help >>>>>> PLEASE do read the posting guide >>>>>> http://www.R-project.org/posting-guide.html >>>>>> and provide commented, minimal, self-contained, reproducible code. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> *********************************************************************** >>>> >>>>> *********** >>>>> >>>>> The information transmitted is intended only for the person or >>>>>> >>>>> entity >>>> >>>>> to >>>>> which it is addressed and may contain confidential and/or privileged >>>>> material. Any review, retransmission, dissemination or other use of, >>>>> >>>> or >>>> >>>>> taking of any action in reliance upon, this information by persons or >>>>> entities other than the intended recipient is prohibited. If you >>>>> received >>>>> this in error, please contact the sender and delete the material from >>>>> any >>>>> computer. It is the policy of the Department of Justice, Equality >>>>> >>>> and >>>> >>>>> Law >>>>> Reform and the Agencies and Offices using its IT services to disallow >>>>> the >>>>> sending of offensive material. >>>>> >>>>>> Should you consider that the material contained in this message is >>>>>> >>>>> offensive you should contact the sender immediately and also >>>>> mailminder[at]justice.ie. >>>>> >>>>>> Is le haghaidh an duine nó an eintitis ar a bhfuil sí dírithe, agus >>>>>> >>>>> le >>>>> haghaidh an duine nó an eintitis sin amháin, a bheartaítear an >>>>> fhaisnéis a >>>>> tarchuireadh agus féadfaidh sé go bhfuil ábhar faoi rún agus/nó faoi >>>>> phribhléid inti. Toirmisctear aon athbhreithniú, atarchur nó leathadh >>>>> >>>> a >>>> >>>>> dhéanamh ar an bhfaisnéis seo, aon úsáid eile a bhaint aisti nó aon >>>>> ghníomh >>>>> a dhéanamh ar a hiontaoibh, ag daoine nó ag eintitis seachas an >>>>> faighteoir >>>>> beartaithe. Má fuair tú é seo trí dhearmad, téigh i dteagmháil leis >>>>> >>>> an >>>> >>>>> seoltóir, le do thoil, agus scrios an t-ábhar as aon ríomhaire. Is é >>>>> beartas na Roinne Dlí agus Cirt, Comhionannais agus Athchóirithe Dlí, >>>>> agus >>>>> na nOifígí agus na nGníomhaireachtaí a úsáideann seirbhísí TF na >>>>> Roinne, >>>>> seoladh ábhair cholúil a dhícheadú. >>>>> >>>>>> Más rud é go measann tú gur ábhar colúil atá san ábhar atá sa >>>>>> >>>>> teachtaireacht seo is ceart duit dul i dteagmháil leis an seoltóir >>>>> láithreach agus le mailminder[ag]justice.ie chomh maith. >>>>> >>>> *********************************************************************** >>>> >>>>> ************ >>>>> >>>>> >>>>>> >>>>>> >>>>> -- >>>>> Frank E Harrell Jr Professor and Chair School of Medicine >>>>> Department of Biostatistics Vanderbilt >>>>> University >>>>> >>>>> ______________________________________________ >>>>> R-help@r-project.org mailing list >>>>> https://stat.ethz.ch/mailman/listinfo/r-help >>>>> PLEASE do read the posting guide http://www.R-project.org/posting- >>>>> guide.html >>>>> and provide commented, minimal, self-contained, reproducible code. >>>>> >>>> ______________________________________________ >>>> R-help@r-project.org mailing list >>>> https://stat.ethz.ch/mailman/listinfo/r-help >>>> PLEASE do read the posting guide >>>> http://www.R-project.org/posting-guide.html >>>> and provide commented, minimal, self-contained, reproducible code. >>>> >>>> ______________________________________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >>> >>> >> [[alternative HTML version deleted]] >> >> >> >> ------------------------------------------------------------------------ >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > > -- > Frank E Harrell Jr Professor and Chair School of Medicine > Department of Biostatistics Vanderbilt University > [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
