Class 15: Practice with Tibbles

Computing in Molecular Biology and Genetics 1

Andrés Aravena, PhD

16 November 2020

About Homework

  • Send only Rmd files
    • No PDF, no HTML
  • Use .Rmd, not .rmd
    • Lowercase and uppercase are different

Right now you should be able to

  • Write a structured document in Markdown
  • Combine R and Markdown
  • Use vectors as indices of vectors
  • Read data from text files
    • Using readr
  • Select single columns as vectors
  • Install new R packages
  • Use filter(), select(), and %>%

This is a practical class

Check the video version for more detail

How to do Science

Scientific method

What is the question?

Let’s practice

Create a new project

Work in the practice document

I will send you a file on the chat

Move it to the project folder

Edit the file

Be prepared to share your screen

Chunk options

  • Warnings
  • Messages
  • Errors

Tidying up our data

Does the data make sense

  • Are any missing data
  • Are any values too big or too small?