Message-ID: <CAAjnpdjcV+CzFhJsosRvAJAzZXeCXiOAAZa0D2wcnqo4CwguoQ@mail.gmail.com>
Date: 2014-02-03T14:28:59Z
From: Witold E Wolski
Subject: match - returns a vector of the positions of (first) matches - looking for All positions.
In-Reply-To: <6E8D8DFDE5FA5D4ABCB8508389D1BF8802BBFAD9@SRVEXCHMBX.precheza.cz>
Thank you. That's what I was looking for.
I am wondering what does the documentation means by (first) than?
match {base}
match returns a vector of the positions of (first) matches of its
first argument in its second.
On 3 February 2014 15:02, PIKAL Petr <petr.pikal at precheza.cz> wrote:
> Hi
>
> Posting questions without context may result in answers unrelated to your problem.
>
> Anyway it works for me without problem
>
> table<-sample(letters[1:5], 20, replace=T)
> which(table %in% "a")
> [1] 1 2 19
>
>> version
> _
> platform i386-w64-mingw32
> arch i386
> os mingw32
> system i386, mingw32
> status Under development (unstable)
> major 3
> minor 1.0
> year 2013
> month 12
> day 19
> svn rev 64488
> language R
> version.string R Under development (unstable) (2013-12-19 r64488)
> nickname Unsuffered Consequences
>
> Regards
> Petr
>
>
>> -----Original Message-----
>> From: Witold E Wolski [mailto:wewolski at gmail.com]
>> Sent: Monday, February 03, 2014 1:07 PM
>> To: PIKAL Petr
>> Cc: r-help at r-project.org
>> Subject: Re: [R] match - returns a vector of the positions of (first)
>> matches - looking for All positions.
>>
>> Hi Petr,
>>
>> I was actually citing the match (%in%) docu - match returns the
>> positions of (first) matches.
>>
>> I am looking for something returning ALL matches (sure it's easy to
>> write a function which does it ...
>> my intuition however is, that there is already such a function in R -
>> is there something which isn't already implemented in R? Not that I
>> know of. )
>>
>> regarding :
>>
>> which(table == match)
>>
>> in case table is a vector the output produced is going to be:
>>
>> Warning message:
>> In table == match :
>> longer object length is not a multiple of shorter object length
>>
>>
>>
>> regards
>>
>>
>> On 3 February 2014 11:36, PIKAL Petr <petr.pikal at precheza.cz> wrote:
>> > Hi
>> >
>> > which(table == match)
>> >
>> > or
>> >
>> > which(table %in% match)
>> >
>> > Petr
>> >
>> >
>> >> -----Original Message-----
>> >> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
>> >> project.org] On Behalf Of Witold E Wolski
>> >> Sent: Monday, February 03, 2014 11:19 AM
>> >> To: r-help at r-project.org
>> >> Subject: [R] match - returns a vector of the positions of (first)
>> >> matches - looking for All positions.
>> >>
>> >> Looking for a build in function which returns a vector of the
>> >> positions of _ALL_ matches.
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Witold Eryk Wolski
>> >>
>> >> ______________________________________________
>> >> R-help at 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.
>> >
>> > ________________________________
>> > Tento e-mail a jak?koliv k n?mu p?ipojen? dokumenty jsou d?v?rn? a
>> jsou ur?eny pouze jeho adres?t?m.
>> > Jestli?e jste obdr?el(a) tento e-mail omylem, informujte laskav?
>> neprodlen? jeho odes?latele. Obsah tohoto emailu i s p??lohami a jeho
>> kopie vyma?te ze sv?ho syst?mu.
>> > Nejste-li zam??len?m adres?tem tohoto emailu, nejste opr?vn?ni tento
>> email jakkoliv u??vat, roz?i?ovat, kop?rovat ?i zve?ej?ovat.
>> > Odes?latel e-mailu neodpov?d? za eventu?ln? ?kodu zp?sobenou
>> modifikacemi ?i zpo?d?n?m p?enosu e-mailu.
>> >
>> > V p??pad?, ?e je tento e-mail sou??st? obchodn?ho jedn?n?:
>> > - vyhrazuje si odes?latel pr?vo ukon?it kdykoliv jedn?n? o uzav?en?
>> smlouvy, a to z jak?hokoliv d?vodu i bez uveden? d?vodu.
>> > - a obsahuje-li nab?dku, je adres?t opr?vn?n nab?dku bezodkladn?
>> p?ijmout; Odes?latel tohoto e-mailu (nab?dky) vylu?uje p?ijet? nab?dky
>> ze strany p??jemce s dodatkem ?i odchylkou.
>> > - trv? odes?latel na tom, ?e p??slu?n? smlouva je uzav?ena teprve
>> v?slovn?m dosa?en?m shody na v?ech jej?ch n?le?itostech.
>> > - odes?latel tohoto emailu informuje, ?e nen? opr?vn?n uzav?rat za
>> spole?nost ??dn? smlouvy s v?jimkou p??pad?, kdy k tomu byl p?semn?
>> zmocn?n nebo p?semn? pov??en a takov? pov??en? nebo pln? moc byly
>> adres?tovi tohoto emailu p??padn? osob?, kterou adres?t zastupuje,
>> p?edlo?eny nebo jejich existence je adres?tovi ?i osob? j?m zastoupen?
>> zn?m?.
>> >
>> > This e-mail and any documents attached to it may be confidential and
>> are intended only for its intended recipients.
>> > If you received this e-mail by mistake, please immediately inform its
>> sender. Delete the contents of this e-mail with all attachments and its
>> copies from your system.
>> > If you are not the intended recipient of this e-mail, you are not
>> authorized to use, disseminate, copy or disclose this e-mail in any
>> manner.
>> > The sender of this e-mail shall not be liable for any possible damage
>> caused by modifications of the e-mail or by delay with transfer of the
>> email.
>> >
>> > In case that this e-mail forms part of business dealings:
>> > - the sender reserves the right to end negotiations about entering
>> into a contract in any time, for any reason, and without stating any
>> reasoning.
>> > - if the e-mail contains an offer, the recipient is entitled to
>> immediately accept such offer; The sender of this e-mail (offer)
>> excludes any acceptance of the offer on the part of the recipient
>> containing any amendment or variation.
>> > - the sender insists on that the respective contract is concluded
>> only upon an express mutual agreement on all its aspects.
>> > - the sender of this e-mail informs that he/she is not authorized to
>> enter into any contracts on behalf of the company except for cases in
>> which he/she is expressly authorized to do so in writing, and such
>> authorization or power of attorney is submitted to the recipient or the
>> person represented by the recipient, or the existence of such
>> authorization is known to the recipient of the person represented by
>> the recipient.
>>
>>
>>
>> --
>> Witold Eryk Wolski
>
> ________________________________
> Tento e-mail a jak?koliv k n?mu p?ipojen? dokumenty jsou d?v?rn? a jsou ur?eny pouze jeho adres?t?m.
> Jestli?e jste obdr?el(a) tento e-mail omylem, informujte laskav? neprodlen? jeho odes?latele. Obsah tohoto emailu i s p??lohami a jeho kopie vyma?te ze sv?ho syst?mu.
> Nejste-li zam??len?m adres?tem tohoto emailu, nejste opr?vn?ni tento email jakkoliv u??vat, roz?i?ovat, kop?rovat ?i zve?ej?ovat.
> Odes?latel e-mailu neodpov?d? za eventu?ln? ?kodu zp?sobenou modifikacemi ?i zpo?d?n?m p?enosu e-mailu.
>
> V p??pad?, ?e je tento e-mail sou??st? obchodn?ho jedn?n?:
> - vyhrazuje si odes?latel pr?vo ukon?it kdykoliv jedn?n? o uzav?en? smlouvy, a to z jak?hokoliv d?vodu i bez uveden? d?vodu.
> - a obsahuje-li nab?dku, je adres?t opr?vn?n nab?dku bezodkladn? p?ijmout; Odes?latel tohoto e-mailu (nab?dky) vylu?uje p?ijet? nab?dky ze strany p??jemce s dodatkem ?i odchylkou.
> - trv? odes?latel na tom, ?e p??slu?n? smlouva je uzav?ena teprve v?slovn?m dosa?en?m shody na v?ech jej?ch n?le?itostech.
> - odes?latel tohoto emailu informuje, ?e nen? opr?vn?n uzav?rat za spole?nost ??dn? smlouvy s v?jimkou p??pad?, kdy k tomu byl p?semn? zmocn?n nebo p?semn? pov??en a takov? pov??en? nebo pln? moc byly adres?tovi tohoto emailu p??padn? osob?, kterou adres?t zastupuje, p?edlo?eny nebo jejich existence je adres?tovi ?i osob? j?m zastoupen? zn?m?.
>
> This e-mail and any documents attached to it may be confidential and are intended only for its intended recipients.
> If you received this e-mail by mistake, please immediately inform its sender. Delete the contents of this e-mail with all attachments and its copies from your system.
> If you are not the intended recipient of this e-mail, you are not authorized to use, disseminate, copy or disclose this e-mail in any manner.
> The sender of this e-mail shall not be liable for any possible damage caused by modifications of the e-mail or by delay with transfer of the email.
>
> In case that this e-mail forms part of business dealings:
> - the sender reserves the right to end negotiations about entering into a contract in any time, for any reason, and without stating any reasoning.
> - if the e-mail contains an offer, the recipient is entitled to immediately accept such offer; The sender of this e-mail (offer) excludes any acceptance of the offer on the part of the recipient containing any amendment or variation.
> - the sender insists on that the respective contract is concluded only upon an express mutual agreement on all its aspects.
> - the sender of this e-mail informs that he/she is not authorized to enter into any contracts on behalf of the company except for cases in which he/she is expressly authorized to do so in writing, and such authorization or power of attorney is submitted to the recipient or the person represented by the recipient, or the existence of such authorization is known to the recipient of the person represented by the recipient.
--
Witold Eryk Wolski