我试图生成一个块代码,它执行并显示代码,但隐藏输出。我知道这样做的方法是按照建议的echo = T, results = 'hide'在knitr块选项中添加here。但是,在我的例子中,这仍然产生了输出,有什么想法吗?

我的会议信息:
> sessionInfo()
R version 3.4.3 (2017-11-30)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)
Matrix products: default
locale:
[1] LC_COLLATE=English_United Kingdom.1252
[2] LC_CTYPE=English_United Kingdom.1252
[3] LC_MONETARY=English_United Kingdom.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United Kingdom.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] compiler_3.4.3 backports_1.1.2 rprojroot_1.3-2 htmltools_0.3.6
[5] tools_3.4.3 yaml_2.2.0 Rcpp_0.12.19 rmarkdown_1.10
[9] knitr_1.20 digest_0.6.18 evaluate_0.12 发布于 2018-11-13 11:59:26
可以用选项fig.keep = 'none'来抑制情节。
https://stackoverflow.com/questions/53280301
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