Re: [R] convert numeric variables to factor

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[R] Fail to save an object using name as string

Dear list member, I think that I have detected a strange behavior of the save() command: > year <- "2000" > assign(paste0("Var_", year), list(A=10, B=20)) > get(paste0("Var_", year)) $A [1] 10 $B [1] 20 # At this point all is ok, I have created a list of name Var_2000 > save(paste0("Var_",

Re: [R] convert numeric variables to factor

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Re: [R] convert numeric variables to factor

Hello, Though Bert's and David's answers are what you should do, note that some R functions that need factors will coerce their input variables when necessary. Have you tried to run the code you haven't posted without coercing to factor? It might run... Hope this helps, Rui Barradas On

Re: [R] convert numeric variables to factor

Or use cut(): > Num <- c(2.2, 2.4, 3.5, 5, 7) > cut(Num, breaks=c(0,2,4,6), labels=c("Low","Medium","High")) [1] Medium Medium Medium High Levels: Low Medium High Bill Dunlap TIBCO Software wdunlap tibco.com On Mon, Apr 9, 2018 at 10:00 AM, Bert Gunter wrote: >

Re: [R-es] Warning en modelo ZINB

Hola de nuevo Carlos, he probado a quitar esa variable categórica y me sigue dando el aviso... El Lun, 9 de Abril de 2018, 20:17, Carlos J. Gil Bellosta escribió: > Si, creo que el motivo del warning puede ser ese. Es hipotético, pero > plausible. Sobre todo cuando tienes más de un 90% de ceros.

Re: [R-es] Warning en modelo ZINB

En ese caso, ¿tendría sentido el modelo? o ¿debería quitar esa variable categórica? Muchas gracias El Lun, 9 de Abril de 2018, 20:17, Carlos J. Gil Bellosta escribió: > Si, creo que el motivo del warning puede ser ese. Es hipotético, pero > plausible. Sobre todo cuando tienes más de un 90% de

Re: [R-es] Warning en modelo ZINB

Si, creo que el motivo del warning puede ser ese. Es hipotético, pero plausible. Sobre todo cuando tienes más de un 90% de ceros. El coeficiente de ese nivel para el modelo de la mixtura (ceros vs binomial negativa) sería infinito. Y de ahí el warning. El lun., 9 abr. 2018 a las 20:09,

Re: [R] convert numeric variables to factor

see also ?cut if this is what you mean. -- Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Mon, Apr 9, 2018 at 9:28 AM, Saif Tauheed

Re: [R] convert numeric variables to factor

Just cast it! ?factor Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Mon, Apr 9, 2018 at 9:28 AM, Saif Tauheed wrote: > Dear Sir, > >

Re: [R-es] Warning en modelo ZINB

¿Quieres decir que para un nivel de una variable categorica todas las observaciones de la variable respuesta sean ceros? Gracias El Lun, 9 de Abril de 2018, 19:59, Carlos J. Gil Bellosta escribió: > ¿Podría ser que para algún nivel de alguna variable independiente > categórica solo hubiese

Re: [R-es] Warning en modelo ZINB

¿Podría ser que para algún nivel de alguna variable independiente categórica solo hubiese ceros? En ese caso, casi seguro, aparecería ese tipo de warning. El lun., 9 abr. 2018 a las 19:00, escribió: > Muchas gracias por la respuesta. He mirado y los coeficientes no

Re: [R] convert numeric variables to factor

Try the help files: ?factor David L Carlson Department of Anthropology Texas A University College Station, TX 77843-4352 -Original Message- From: R-help On Behalf Of Saif Tauheed Sent: Monday, April 9, 2018 11:29 AM

Re: [R-es] Warning en modelo ZINB

Muchas gracias por la respuesta. He mirado y los coeficientes no son altos pero sí tengo una gran cantidad de ceros en la variable dependiente (más del 90%). Sin embargo, al incluir otro tipo de variables independientes no me da ese aviso, dejando la misma variable dependiente. ¿Cómo podría

Re: [R] convert numeric variables to factor

Dear Sir, I have xlsx data set which I have imported to R studio. Now some of the variables are defined as numeric but I want define them as factor variable so that I run classification algorithm in R. Please to covert the variables. Thanks and Regards Abu Afzal PhD Eco JNU India

[R-es] Warning en modelo ZINB

Buenas tardes, Estoy estimando un modelo binomial negativo de ceros inflados (ZINB) utilizando el comando zeroinfl() del paquete pscl. Al ejecutarlo me da el siguiente aviso: Warning: glm.fit: fitted probabilities numerically 0 or 1 occurred ¿Sabéis que significa y si puedo usar el modelo aún

[R] Specifying forbidden configurations in Morris One at a Time (OAT) sensitivity analysis

Hi! I am trying to implement the Morris One at a Time (OAT) sensitivity analysis technique in R using the package 'sensitivity'. The OAT and similar other techniques in the package requires data frame X (which stores the design or parameter combinations) to be populated by some function in the

Re: [R] Doubt_merging data

Your email is hard to read because you sent html email. Please send plain text. You will need to say what you mean by "join". It's not a standard term with a universally agreed upon meaning within R. If you have 5 data frames, each with 5 rows, and it makes sense that after joining you should

Re: [R] linear regression with repeated measures

Generally, statistics questions are off topic here, although they do sometimes intersect R programming issues, as perhaps here. Nevertheless, I believe your post would fit better on the r-sig-mixed-models list, where repeated measures and other mixed effects (/variance components) models are

[R] linear regression with repeated measures

Dear list, this seemed to me like a very trivial question, but finally I haven't found any similar postings with suitable solutions on the net ... Basically, instead of regressing two simple series of measures 'a' and 'b' (like b ~ a), I would like to use independent replicate measurements for