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Gerar tabela com letras gregas e multicolunas no rstudio para látex

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Gerar tabela com letras gregas e multicolunas no rstudio para látex

Com os comandos:

---
output: pdf_document
---

```{r, results='asis',message=FALSE,warning=FALSE}
library(knitr)
library(xtable)

url <- 'https://cdn.rawgit.com/fsbmat/StackOverflow/master/'
dt1 <- read.table(paste0(url, 'sim50.txt'), header = TRUE)
attach(dt1)
dt2 <- read.table(paste0(url, 'sim200.txt'), header = TRUE)
attach(dt2)
dt3 <- read.table(paste0(url, 'sim1000.txt'), header = TRUE)
attach(dt3)

gamma0=1.23
gamma1=0.07
gamma2=1.05
#gamma3=0.7
beta0=1.18
beta1=0.23
beta2=0.25
phi1 <- 0.69
rho <- 0.03
truevalue <- c(gamma0,gamma1,gamma2,beta0,beta1,beta2,phi1,rho)

eqm=function(x,theta){ 
  N=length(x)
  sqrt(sum(((x-theta)^2))/N)}
m  <- dt1
m2 <- dt2
m3 <- dt3

eqmest=c(eqm(x=m[,1],theta=truevalue[1]),
         eqm(x=m[,2],theta=truevalue[2]),
         eqm(x=m[,3],theta=truevalue[3]),
         eqm(x=m[,4],theta=truevalue[4]),
         eqm(x=m[,5],theta=truevalue[5]),
         eqm(x=m[,6],theta=truevalue[6]),
         eqm(x=m[,7],theta=truevalue[7]),
         eqm(x=m[,8],theta=truevalue[8]))

eqmest2=c(eqm(x=m2[,1],theta=truevalue[1]),
          eqm(x=m2[,2],theta=truevalue[2]),
          eqm(x=m2[,3],theta=truevalue[3]),
          eqm(x=m2[,4],theta=truevalue[4]),
          eqm(x=m2[,5],theta=truevalue[5]),
          eqm(x=m2[,6],theta=truevalue[6]),
          eqm(x=m2[,7],theta=truevalue[7]),
          eqm(x=m2[,8],theta=truevalue[8]))

eqmest3=c(eqm(x=m3[,1],theta=truevalue[1]),
          eqm(x=m3[,2],theta=truevalue[2]),
          eqm(x=m3[,3],theta=truevalue[3]),
          eqm(x=m3[,4],theta=truevalue[4]),
          eqm(x=m3[,5],theta=truevalue[5]),
          eqm(x=m3[,6],theta=truevalue[6]),
          eqm(x=m3[,7],theta=truevalue[7]),
          eqm(x=m3[,8],theta=truevalue[8]))
parameter <- c("gamma0 (mu2)","gamma1 (mu2)", "gamma2 (mu2)", "beta0 (mu1)", "beta1 (mu1)",
               "beta2 (mu1)","phi1 (sd)","rho (cor)")
dt <- data.frame(Parameters=parameter,VV=truevalue,Mean=cbind(colMeans(dt1)),EQM=eqmest,
                Mean=cbind(colMeans(dt2)),EQM=eqmest2,Mean=cbind(colMeans(dt3)),
                EQM=eqmest3)
kable(dt, digits = 5, align = c('c','c','c','c','c','c','c','c'))

print(xtable(dt,digits=c(5,5,5,5,5,5,5,5,5), caption = "",align = rep("c",9)), 
      caption.placement = "top", include.rownames = FALSE, type = "latex")
```

Eu gero a seguinte tabela no rstudio para usar em meu arquivo latex:

insira a descrição da imagem aqui

É possível gerar a tabela abaixo, com letras gregas e multicolunas, com o comando xtableno software Rstudio?

insira a descrição da imagem aqui

Caso contrário, é possível gerar isso de forma mais simples:

insira a descrição da imagem aqui

Responder1

Após ajuda da @nebi foi possível completar a tabela conforme desejado. Basta deletar todos os "NA" e "clear" manualmente no látex.

---
output: pdf_document
---

```{r, results='asis',message=FALSE,warning=FALSE}
library(knitr)
library(xtable)

url <- 'https://cdn.rawgit.com/fsbmat/StackOverflow/master/'
dt1 <- read.table(paste0(url, 'sim50.txt'), header = TRUE)
attach(dt1)
dt2 <- read.table(paste0(url, 'sim200.txt'), header = TRUE)
attach(dt2)
dt3 <- read.table(paste0(url, 'sim1000.txt'), header = TRUE)
attach(dt3)

gamma0=1.23
gamma1=0.07
gamma2=1.05
#gamma3=0.7
beta0=1.18
beta1=0.23
beta2=0.25
phi1 <- 0.69
rho <- 0.03
truevalue <- c(gamma0,gamma1,gamma2,beta0,beta1,beta2,phi1,rho)

eqm=function(x,theta){ 
  N=length(x)
  sqrt(sum(((x-theta)^2))/N)}
m  <- dt1
m2 <- dt2
m3 <- dt3

eqmest=c(eqm(x=m[,1],theta=truevalue[1]),
         eqm(x=m[,2],theta=truevalue[2]),
         eqm(x=m[,3],theta=truevalue[3]),
         eqm(x=m[,4],theta=truevalue[4]),
         eqm(x=m[,5],theta=truevalue[5]),
         eqm(x=m[,6],theta=truevalue[6]),
         eqm(x=m[,7],theta=truevalue[7]),
         eqm(x=m[,8],theta=truevalue[8]))

eqmest2=c(eqm(x=m2[,1],theta=truevalue[1]),
          eqm(x=m2[,2],theta=truevalue[2]),
          eqm(x=m2[,3],theta=truevalue[3]),
          eqm(x=m2[,4],theta=truevalue[4]),
          eqm(x=m2[,5],theta=truevalue[5]),
          eqm(x=m2[,6],theta=truevalue[6]),
          eqm(x=m2[,7],theta=truevalue[7]),
          eqm(x=m2[,8],theta=truevalue[8]))

eqmest3=c(eqm(x=m3[,1],theta=truevalue[1]),
          eqm(x=m3[,2],theta=truevalue[2]),
          eqm(x=m3[,3],theta=truevalue[3]),
          eqm(x=m3[,4],theta=truevalue[4]),
          eqm(x=m3[,5],theta=truevalue[5]),
          eqm(x=m3[,6],theta=truevalue[6]),
          eqm(x=m3[,7],theta=truevalue[7]),
          eqm(x=m3[,8],theta=truevalue[8]))
parameter <- c("$\\gamma_{1}$","$\\gamma_{2}$", "$\\gamma_{3}$", "$\\beta_{1}$", "$\\beta_{2}$","$\\beta_{3}$","$\\phi$","$\\rho$")
dt <- data.frame(Parâmetros=parameter,VV=truevalue,Clear=rep("NA",8),Média=cbind(colMeans(dt1)),EQM=eqmest,Clear=rep("NA",8),Média=cbind(colMeans(dt2)),EQM=eqmest2,Clear=rep("NA",8),Média=cbind(colMeans(dt3)),EQM=eqmest3)

print(xtable(dt,digits=c(5,5,5,5,5,5,5,5,5,5,5,5), caption = " ",align = rep("c",12)), 
      caption.placement = "top", include.rownames = FALSE,include.colnames = FALSE,
      type = "latex", 
      sanitize.text.function = function(x) {x},add.to.row = list(
        pos = list(0),
        command = c(
          "&         &&\\multicolumn{2}{c}{n=50}&&\\multicolumn{2}{c}{n=200}&&\\multicolumn{2}{c}{n=1000} \\\\
          \\cline{4-5} \\cline{7-8} \\cline{10-11}
          Parâmetros & VV & Clear & Média & EQM& Clear & Média & EQM& Clear & Média & EQM\\\\"
)))

insira a descrição da imagem aqui

Responder2

Na funçãoprint.xtable, há sanitizeuma função diferente para adicionar marcação na tabela. Você pode dar uma olhada na parte4.1 Marcação na tabelanoA Galeria xtablevinheta ( vignette("xtableGallery"))

Para o seu código, você temprimeiropara escapar do comando latex (seu parameter variable(ie $\\gamma 0 (\\mu 2)$) esegundoem seguida, limpe sua chamada print.xtable com o argumentosanitize.text.function = function(x) {x}

Para o seu exemplo, para torná-lo reprodutível, não esqueça de explicar o arquivo que você está usando e de chamar os pacotes e bibliotecas.

Como um arquivo .Rmd, isso dámutatis mutandis

---
output: pdf_document
---

```{r, results='asis'}
library(knitr)
library(xtable)

url <- 'https://cdn.rawgit.com/fsbmat/StackOverflow/master/'
dt1 <- read.table(paste0(url, 'sim50.txt'), header = TRUE)
attach(dt1)
dt2 <- read.table(paste0(url, 'sim200.txt'), header = TRUE)
attach(dt2)
dt3 <- read.table(paste0(url, 'sim1000.txt'), header = TRUE)
attach(dt3)

gamma0=1.23
gamma1=0.07
gamma2=1.05
#gamma3=0.7
beta0=1.18
beta1=0.23
beta2=0.25
phi1 <- 0.69
rho <- 0.03
truevalue <- c(gamma0,gamma1,gamma2,beta0,beta1,beta2,phi1,rho)

eqm=function(x,theta){ 
  N=length(x)
  sqrt(sum(((x-theta)^2))/N)}
m  <- dt1
m2 <- dt2
m3 <- dt3

eqmest=c(eqm(x=m[,1],theta=truevalue[1]),
         eqm(x=m[,2],theta=truevalue[2]),
         eqm(x=m[,3],theta=truevalue[3]),
         eqm(x=m[,4],theta=truevalue[4]),
         eqm(x=m[,5],theta=truevalue[5]),
         eqm(x=m[,6],theta=truevalue[6]),
         eqm(x=m[,7],theta=truevalue[7]),
         eqm(x=m[,8],theta=truevalue[8]))

eqmest2=c(eqm(x=m2[,1],theta=truevalue[1]),
          eqm(x=m2[,2],theta=truevalue[2]),
          eqm(x=m2[,3],theta=truevalue[3]),
          eqm(x=m2[,4],theta=truevalue[4]),
          eqm(x=m2[,5],theta=truevalue[5]),
          eqm(x=m2[,6],theta=truevalue[6]),
          eqm(x=m2[,7],theta=truevalue[7]),
          eqm(x=m2[,8],theta=truevalue[8]))

eqmest3=c(eqm(x=m3[,1],theta=truevalue[1]),
          eqm(x=m3[,2],theta=truevalue[2]),
          eqm(x=m3[,3],theta=truevalue[3]),
          eqm(x=m3[,4],theta=truevalue[4]),
          eqm(x=m3[,5],theta=truevalue[5]),
          eqm(x=m3[,6],theta=truevalue[6]),
          eqm(x=m3[,7],theta=truevalue[7]),
          eqm(x=m3[,8],theta=truevalue[8]))
parameter <- c("$\\gamma 0 (\\mu 2)$","$\\gamma 1 (\\mu 2)$", "$\\gamma 2 (\\mu 2)$", "$\\beta 0 (\\mu 1)$", "$\\beta 1 (\\mu 1)$","$\\beta 2 (\\mu 1)$","$\\phi 1 (sd)$","$\\rho (cor)$")
dt <- data.frame(Parameters=parameter,VV=truevalue,Mean=cbind(colMeans(dt1)),EQM=eqmest,Mean=cbind(colMeans(dt2)),EQM=eqmest2,Mean=cbind(colMeans(dt3)),EQM=eqmest3)

print(xtable(dt,digits=c(5,5,5,5,5,5,5,5,5), caption = "",align = rep("c",9)), 
      caption.placement = "top", include.rownames = FALSE, type = "latex", 
      sanitize.text.function = function(x) {x})
```

saída

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