在 Rmarkdown 中为 Word 文档循环使用粗体文本 [英] Using bold text in a loop for a Word document in Rmarkdown

问题描述

我是 Rmarkdown 的新手.我有一个循环，从中我为每次迭代提取一组结果.这可以.但是，我无法将文本打印为粗体.下面是一些示例代码:

I'm new to using Rmarkdown. I have a loop from which I extract a set of results for each iteration. This is fine. However, I am unable to get the text to print as bold. Here is some example code:

```{r echo=FALSE}
x <- data.frame(var1 = c(1,0.99,0.98,0.97,0.95), 
            var2 = c(1,0.995,0.99,0.98,0.97),
            var3 = c(1,0.98,0.96,0.94,0.90)
            )

year <- 1980:2010


# Do stuff across the loop:
for(j in 1:nrow(x)){
  temp_var1 <- constant1 * var1[j] * var2[j] * var3[j]
  temp_var2 <- constant2 * var1[j] * var2[j] * var3[j]


  q025 <- round(sapply(temp_var1[, ], quantile, probs=0.025))
  q975 <- round(sapply(temp_var2[, ], quantile, probs=0.975))
  proj <- as.data.frame(cbind(year, q025, q975))
  row.names(proj) <- NULL

  # Print stuff:
  **print(x[j,])**
  print(proj)
  cat('\n\n\n\n')   
} # close j loop
```

感谢您的帮助.

推荐答案

我不太确定您想用 for 循环代码做什么，但您可以将此简短的 Rmarkdown 代码片段复制到您自己的新 Rmarkdown 文档中进行渲染代码块中的粗体文本:

I'm not really sure what you want to do with the for-loop code but you can copy this short Rmarkdown snippet to your own new Rmarkdown document to render bold text from within a code chunk:

## Display some bold text from inside a chunk

```{r results='asis'}
cat("I am a normal statement")
cat("**some bold text**")
```

## Bold text with a for loop

```{r results='asis'}
for(i in 1:5){
  cat("Number: **", i, "**\n\n", sep = "")
}
```

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