knitr::opts_chunk$set(echo = TRUE)
summary(Lifeexpectancy)
You can also embed plots, for example:
plot(lifeexpectancy)
```(R LifeData). data.names.vec <- c( "Male", "Female", "Both", "Country")
```str(Lifeexpectancy) 'data.frame': 228 obs. of 4 variables: $ Both : num $ Male : int $ Female : int
Note that the echo = FALSE
parameter was added to the code chunk to prevent printing of the R code that generated the plot.
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