Mi primer ensayo markdown

This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com.

When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:

Datos

Los datos de 10 estudiantes universitarios

# carga de datos
edad=c(23,34,24,20,30,25,20,20,21,20)
calificaciones=c(5,5,4,4,5,3,4,5,3,3)
edad_promedio=mean(edad)
edad_promedio
## [1] 23.7

Grafico de calificaciones

barplot(calificaciones)