title: “R Notebook”

output:

html_notebook:

highlight: kate

theme: cerulean

toc: yes

Hola pianola

hola

hola

hola

hola

hola hola 4

1. Uno
2. Dos
3. Tres

• hola
• hola
• hola

This is an R Markdown Notebook. When you execute code within the notebook, the results appear beneath the code.

Try executing this chunk by clicking the Run button within the chunk or by placing your cursor inside it and pressing Ctrl+Shift+Enter.

rr filter(gapminder, continent == , year > 2000)

rr filter(gapminder,!(continent == ))

rr filter(gapminder, !(continent %in% c(, , )))

rr select(gapminder, -, -)

rr select(gapminder, year, everything())

rr select(gapminder, country, starts_with()

rr mutate(gapminder, popMillions = pop / 1000000)

rr mutate(gapminder, pop = pop / 1e6)

rr mutate(gapminder, gdp = pop * gdpPercap)

rr mutate(gapminder, pos_90 = ifelse(year> 1990, TRUE, FALSE))

rr mutate(gapminder, avg_gdpPercap = mean(gdpPercap))

rr summarise(gapminder, suma = sum(lifeExp))