Compulsory Course descriptions XXXVII cycle - ay 2021 - 2022

Statistics and data manipulation in R- basic knowledge (3CFU)

Teachers: dr. Francesco Tiezzi Mazzoni dalla Stella Maestra e Dr. Stefano Biffani 

The didactic program of the course takes place over 5 consecutive full time days.

The topics covered in the various days are:

Day 1

 RStudio projects: their use  (2h)

Importing and exporting  data in R (data formatting and troubleshooting)  (2h)

Data handling, part 1 (4h):

• Filtering and subsetting (filter)
• Sorting records (arrange)
• Variable selection (select)
• Variable definition (mutate, ifelse, case_when)

Day 2

Data handling, part 2 (4h)

• Summarizing data (summarise) by variable (group_by)
• Transposing data (pivot_longer, pivot_wider)
• Date format handling (lubridate, as.date)
• Binding data.frames (merge, join)

Data visualization and graphics (ggplot) (4h)

Day 3

Descriptive statistics and linear regression (mean, sd, t.test, regression) (8h)

Day 4

Reporting in R (Rmarkdown) (8h)

Day 5

Review of the course topics, real life examples as shared by the students (6h)

Final test (2h)