Displaying 10 results from an estimated 10 matches for "datt".
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data
2006 Mar 07
1
lme and gls : accessing values from correlation structure and variance functions
...ms accessing some objects (specifically the random effects, correlation structure and variance function) from an object of class gls and lme.
I used the following models:
yah <- gls (outcome~ -1 + as.factor(Trial):as.factor(endpoint)+ as.factor(Trial):as.factor(endpoint):trt, data=datt[datt$Trial<4,],
correlation = corSymm(form=~1|as.factor(Trial)/as.factor(subject)), weights=varIdent(form=~1|endpoint))
bm <- lme (outcome~ -1 + as.factor(endpoint)+ as.factor(endpoint):trt, data=datt[datt$Trial<4,],
random=~-1 + as.factor(endpoint) + as.factor(endpoint):trt|...
2006 Mar 03
1
Help with lme and correlated residuals
...Users
I have some problems fitting a linear mixed effects model using the lme function (nlme library). A sample data is as shown at the bottom of this mail. I fit my linear mixed model
using the following R code:
bmr <-lme (outcome~ -1 + as.factor(endpoint)+ as.factor(endpoint):trt, data=datt,
random=~-1 + as.factor(endpoint) + as.factor(endpoint):trt|as.factor(Trial),
correlation = corSymm(form=~subject|as.factor(endpoint)),
weights=varIdent (form=~subject|endpoint))
With this code, i want to obtain random effects for each Trial. ALso my residuals are correla...
2006 Jan 18
2
Help with mixed effects models
...hrough a RANDOM statement and a within group correlation structure.
----------------------------------------------------------------------------------------------------------
Now then, i used the following R code:
bm <- lme (outcome~ -1 + as.factor(endpoint)+ as.factor(endpoint):trt, data=datt,
random=~-1 + as.factor(endpoint) + as.factor(endpoint):trt |as.factor(Trial),
corr = corSymm(form~-1+as.factor(endpoint)|trial/subject))
I beleive the fixed effects part of the code is okay. My intention for the random effects part is to estimate an intercept and treatment effect...
2006 Mar 02
0
Help with lme code
...have some problems fitting a linear mixed effects model using the lme function (from the library nlme). A sample data is as shown at the bottom of this mail. I fit my linear mixed model using the following R code:
bmr <-lme (outcome~ -1 + as.factor(endpoint)+ as.factor(endpoint):trt, data=datt,
random=~-1 + as.factor(endpoint) + as.factor(endpoint):trt|as.factor(Trial),
correlation = corSymm(form=~subject|as.factor(endpoint)), weights=varIdent(form=~subject|endpoint))
With this code, i want to obtain random effects for each Trial. ALso my residuals are correlated, and t...
2015 Sep 29
2
sobre fread {data.table}
...V2") #Pon tu directorio trabajo
> dat <- read.table(file = "DRUG-AE.rel",
> sep = "|",
> comment.char = "",
> header = F,
> quote = "")
>
> str(dat)
>
> datt <- data.table(dat)
>
>
> El 29/09/2015 a las 17:31, Pedro Concejero Cerezo escribió:
> Hola, M. Luz.
> Hay infinidad de motivos por los que se te puede cortar la lectura de un
> archivo de datos, pero los más habituales son encontrar un "#" o unas "" en
>...
2015 Sep 30
2
sobre fread {data.table}
...ile = "DRUG-AE.rel",
>>> sep = "|",
>>> comment.char = "",
>>> header = F,
>>> quote = "")
>>>
>>> str(dat)
>>>
>>> datt <- data.table(dat)
>>>
>>>
>>> El 29/09/2015 a las 17:31, Pedro Concejero Cerezo escribió:
>>> Hola, M. Luz.
>>> Hay infinidad de motivos por los que se te puede cortar la lectura de un
>>> archivo de datos, pero los más habituales son encont...
2015 Sep 30
2
sobre fread {data.table}
...sep = "|",
>>>>> comment.char = "",
>>>>> header = F,
>>>>> quote = "")
>>>>>
>>>>> str(dat)
>>>>>
>>>>> datt <- data.table(dat)
>>>>>
>>>>>
>>>>> El 29/09/2015 a las 17:31, Pedro Concejero Cerezo escribió:
>>>>> Hola, M. Luz.
>>>>> Hay infinidad de motivos por los que se te puede cortar la lectura de
>>>>> un arch...
2015 Oct 01
4
sobre fread {data.table}
...comment.char = "",
>> >>>>> header = F,
>> >>>>> quote = "")
>> >>>>>
>> >>>>> str(dat)
>> >>>>>
>> >>>>> datt <- data.table(dat)
>> >>>>>
>> >>>>>
>> >>>>> El 29/09/2015 a las 17:31, Pedro Concejero Cerezo escribió:
>> >>>>> Hola, M. Luz.
>> >>>>> Hay infinidad de motivos por los que se te puede cort...
2015 Sep 29
5
sobre fread {data.table}
Hola, M. Luz.
Hay infinidad de motivos por los que se te puede cortar la lectura de un archivo de datos, pero los más habituales son encontrar un "#" o unas "" en los registros, o una línea toda en blanco.
Lo primero yo creo que es dejar el archivo en texto plano (lo que te recomendaba Carlos de usar el original, no el docx), y buscar esos caracteres con un editor de texto
2006 Mar 08
0
survival
...ms accessing some objects (specifically the random
effects, correlation structure and variance function) from an object of
class gls and lme.
I used the following models:
yah <- gls (outcome~ -1 + as.factor(Trial):as.factor(endpoint)+
as.factor(Trial):as.factor(endpoint):trt, data=datt[datt$Trial<4,],
correlation = corSymm(form=~1|as.factor(Trial)/as.factor(subject)),
weights=varIdent(form=~1|endpoint))
bm <- lme (outcome~ -1 + as.factor(endpoint)+ as.factor(endpoint):trt,
data=datt[datt$Trial<4,],
random=~-1 + as.factor(endpoint) +
as.factor(endpoint):trt|...