Which one is NOT a dplyr function for mutating joins?

middle_join inner_join left_join right_join

Which of the following is not performed by Data Scientist ?

Create reproducible code Answer the question Challenge results Define the question

What function do you use to render a data visualization in a shiny server?

renderPlot() shinyGraph() renderGraph() shinyPlot()

With data-driven decision making, organizations use data for what purpose?

To make all non-trivial business decisions To spy on their competition To manipulate people into buying things they don't need To sell to 3rd parties for a profit

Which package do you need to run the function 'fread'?

data.table ggplot2 tidyr foreign