## -----加载trena，include = false ------------------------------------------------------------------------------------------------------------------------------------库（TRENA）## ----加载limma，结果='hide'，messages = false --------------------------------------------------------------------------------------------------------------------库（limma）## ----加载Limma带有提示，提示= true，结果='hide'，messages = false -------库（limma）2 + 1 ## ----仅结果，提示= false，message = false，echo = false，结果=“ show” ----- sprintf（“ variant％d”，2 + 3）##----有品位的data.frame，提示= false，message = false，echo = true，结果=“ show” ----- knitr :: kable（mtcars [1：5，]，catchion ='mtcars'）＃＃＃----有品位的data.frame否代码，提示= false，message = false，echo = false，结果=“ show” --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Show png文件，eval = true，echo = false ----------------------------------------------------------------------------------------------------------------------knitr :: include_graphics（“ igvr-nfe2-regulation.png”）## ------------------------------------------------------------------------------------------------------------------------------------------------ 1+1 .4-.7+.3＃什么？它不是零！## ------------------------------------------------------------------------------------------------------------------ plot(1:10) hist(rnorm(1000)) ## --------------------------------------------------------------------------------------------------------------- strsplit('hello indented world', ' ')[[1]] ## --------------------------------------------------------------------------------------------------------------------- x = 1:10 rev（x^2）