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Hola Colegas: Me reintegro al estudio de R y quisiera me pudieran resolver el problema que planteo en el archivo adjunto. Gracias anticipadas. *MANOLO MÁRQUEZ P.* ------------ próxima parte ------------ Se ha borrado un adjunto en formato HTML... URL: <https://stat.ethz.ch/pipermail/r-help-es/attachments/20130511/b0c9f15d/attachment.html> ------------ próxima parte ------------ An embedded

...dad, tengo el siguiente problema: Un data.frame con muchas filas de las que debo eliminar aquellas que cumplen varios criterios al mismo tiempo. Por ejemplo este data.frame: sol con dia NCar NIns isom area rep tipo 1 con 0.001 1 160s 0 s 6.083543e-01 1 2 con 0.001 1 161c 1 c 1.391274e-03 1 <NA> 3 con 0.001 1 161c 1 c 2.812804e-03 1 <NA> 4 con 0.001 1 180s 0 s 3.791027e-01 1 <NA> 619 lim 0.003 2 160s 0 s 5.723237e-01 1 <NA> 620 lim 0.003 2 161t 1 t 1.096077e-02 1 <NA> 621 lim 0.003 2...

...t; >graph<-sqldf("select * from graph where sol='lim' and dia=2") > > ​ sol con dia NCar NIns isom area rep tipo > 1 lim 0.003 2 160s 0 s 0.572323700 1 <NA> > 2 lim 0.003 2 161t 1 t 0.010960770 1 <NA> > 3 lim 0.003 2 161c 1 c 0.003896926 1 <NA> > 4 lim 0.003 2 190s 0 s 0.013402530 1 <NA> > 5 lim 0.003 2 190s 0 s 0.009274320 1 <NA> > ​ > > ​Saludos.​ > > > -- > «But Gwindor answered: 'The doom lies in yourself, not in your name.'» > &...

...I use the "R" command, straight from a terminal, because the "GUI" is slower, and I've never liked GUIs anyway. I tried to set up my environment to use the vi editor, but it always tries to save it in wierd things like this: "/private/tmp/RtmpWIhhuo/41a7" 13L, 161C written Sure I can "cp" it from that to my R directory, but that just seems wrong. Anybody know what the "proper" way of editing and saving R source is?(Preferably from the Darwin command line.) Thanks, Gregg Allen Self-employed Techno-Geek/Slave

...con: >library(sqldf)​​ >graph<-sqldf("select * from graph where sol='lim' and dia=2") ​ sol con dia NCar NIns isom area rep tipo 1 lim 0.003 2 160s 0 s 0.572323700 1 <NA> 2 lim 0.003 2 161t 1 t 0.010960770 1 <NA> 3 lim 0.003 2 161c 1 c 0.003896926 1 <NA> 4 lim 0.003 2 190s 0 s 0.013402530 1 <NA> 5 lim 0.003 2 190s 0 s 0.009274320 1 <NA> ​ ​Saludos.​ -- «But Gwindor answered: 'The doom lies in yourself, not in your name.'» JRR Tolkien [[alternative HTML version delet...

...quot;select * from graph where sol='lim' and dia=2") > > > > sol con dia NCar NIns isom area rep tipo > > 1 lim 0.003 2 160s 0 s 0.572323700 1 <NA> > > 2 lim 0.003 2 161t 1 t 0.010960770 1 <NA> > > 3 lim 0.003 2 161c 1 c 0.003896926 1 <NA> > > 4 lim 0.003 2 190s 0 s 0.013402530 1 <NA> > > 5 lim 0.003 2 190s 0 s 0.009274320 1 <NA> > > > > > > Saludos. > > > > > > -- > > «But Gwindor answered: 'The doom lies i...