search for: casero

...age:methods" [4] "package:stats" "package:graphics" "package:grDevices" [7] "package:utils" "package:datasets" "Autoloads" [10] "package:base" </QUOTE> How could I update the package? Thanks, -- Ram??n Casero Ca??as web: http://www.robots.ox.ac.uk/~rcasero/

...of normal cases. That is, normal cases have less weight in the model fitting because there are so many. But then I get the warning message at the beginning of this email, and I suspect that I'm doing something wrong. Must weights be integers, or at least greater than one? Regards, -- Ram?n Casero Ca?as http://www.robots.ox.ac.uk/~rcasero/wiki http://www.robots.ox.ac.uk/~rcasero/blog

...va fila, al valor de la x ponerle el valor anterior de la y Lo que hago es añadir una nueva fila por grupo, con: datos[,.SD[1:(.N+1)],by=grupo] Y para añadir el valor anterior uso la función shift, pero lo estoy haciendo sacando en que filas de las x hay NA y cogiendo el valor anterior, pero todo casero. ¿HAy algguna manera eficiente de hacerlo en data.table? He probado con: datos[is.na(y),x:=shift(y,1),by=grupo] Pero no funciona. Gracias! Jesús [[alternative HTML version deleted]]

...lopment Core Team and contributors worldwide Maintainer: R Core Team <R-core at r-project.org> Description: R statistical functions License: GPL Version 2 or later. Built: R 2.1.1; i386-pc-linux-gnu; 2005-06-29 23:30:55; unix -- File: /usr/lib/R/library/stats/DESCRIPTION Cheers, -- Ram??n Casero Ca??as web: http://www.robots.ox.ac.uk/~rcasero/

...f adjustment. Wouldn't it be better just to split the data in two groups (STR=0 and STR=1), and instead of using logistic regression, use odds ratios for each value of SEG? Cheers, Ram??n. [1] D.W. Hosmer and S. Lemeshow. ``Applied Logistic Regression''. John-Wiley. 2000. -- Ram??n Casero Ca??as web: http://www.robots.ox.ac.uk/~rcasero/

.... A comparison of goodness-of-fit tests for the logistic regression model. Statistics in Medicine, 16:965?980, 1997. Sorry, I couldn't get this from looking at the code either (I'm quite new to R). Is the statistic tested the T defined by le Cessie and van Houwelingen? Regards, -- Ram?n Casero Ca?as http://www.robots.ox.ac.uk/~rcasero/wiki http://www.robots.ox.ac.uk/~rcasero/blog

Hello, I am new on Ubuntu. I would like to use R, but I tried Kate and Scite. The first one keeps trying to use KDE applications,while the other does not understand the language. I have searched for another editor for hours, in vain. Which editor should work with Ubuntu? I am looking forward to your answer, thanks, Camille

Hi, I would like to count the columns of a data.frame. I know how to count the rows, but not the columns. Can someone tell me how to do it? My best regards, Giacomo Moro --------------------------------- [[alternative HTML version deleted]]

Hola. ¿conocéis alguna función que me pase de un vector chars de esta forma "cosa1\n\ncosa2\ncosa3\\nncosa4" a un vector de chars así: ("cosa1","","cosa2","cosa3","cosa4","")? ¿o hay que hacerlo casero?. -- Antonio Maurandi

...0.0 6 Empedrado NA 7 Esquina 0.0 8 General Alvear NA 9 General Paz 1.5 10 Goya NA 11 Itati 0.8 12 Ituzaingo 0.6 13 Lavalle NA 14 Mburucuya NA 15 Mercedes NA 16 Monte Caseros NA 17 Paso de los Libres 0.6 18 Saladas 0.5 19 San Cosme 0.6 20 San Luis del Palmar 1.0 21 San Martin NA 22 San Miguel 2.0 23 San Roque NA 24 Santo Tome 1.0 25 Sauce 0.0 //--------------------------------------...

Dear R users, I?m student of Master in Statistic and Data analysis, in New University of Lisbon. And now i?m writting my dissertation in variance estimation.So i?m using Survey Package to compute the principal estimators and theirs variances. My data is from Incoming and Expendire Survey. This is stratified Multi-stage Survey care out by National Statistic Institute of Mozambique. My domain of