This class covers an introduction to multivariate statistics and data transformations and standardizations. Detailed notes from previous semesters can be found here: 2016-08-10-Data-Transformations.

Introduction presentation

Introduction presentation Rmarkdown file

R notebook

R notebook Rmarkdown file

Weekly challenge

Take home challenges

  1. Input the file from "https://ndownloader.figshare.com/files/2292169"
  2. Use data from Rodents only
  3. Calculate the number of unique rodents by site by month by year for each species
  4. Calculate the maximum number individuals for each year for each species
  5. Calculate the maximum number of individuals for each species across all years
  6. Transform the data to wide format with columns representing species and sites representing rows
  7. Change all NA to zeros
  8. Complete a by-row total standardization
  9. Plot a bar chart of each site and relative number of a few (3) species using an appropriate geom