# ---- "The tidyverse is an opinionated collection of R packages designed for data science. All packages share an underlying design philosophy, grammar, and data structures." ...

The goal of today will be to learn to manipulate and visualize data using R. To this end, we will be using the package 'tidyverse' that contains two very important tools, dplyr and ggplot2. dplyr is a ...

Producing compelling and trustworthy results relies upon performing well-powered studies with low rates of misleading evidence. Yet, resources are limited, and maximum sample sizes required to achieve ...