Switch to different datasets for exercises

Author: jackdfranklin

exercises/README exercises/README.mdexercises/README renamed to exercises/README.md

@@ -3,14 +3,19 @@
 After going through the slides on how to make our research projects reproducible,
 it is time to go through a practice scenario!
 
-The code in `problem` is an example of a research project which has not taken 
+The code in `problem/` is an example of a research project which has not taken 
 reproducibility into account.
 
+## Data
+
+If you are trying to work through these exercises, you will need the data that
+the scripts rely on, which can be found here: https://doi.org/10.5281/zenodo.7014332.
+
 ## Instructions:
 
 1. Create a new repository on your local machine with `git init repro-examples`
 2. Copy the files in the `problem` directory into the new repository
-3. Download the data needed for the analysis from https://zenodo.org/records/16875985
+3. Download the data needed for the analysis from https://doi.org/10.5281/zenodo.7014332
 
 ## Section 1: Version control
 
@@ -43,6 +48,10 @@ Tasks:
 Tasks:
 
 1. Create a README for the repository
+2. Add comments and docstrings where you think is necessary
+
+Extension: Use an documentation tool, such as Sphinx, to automate building the
+documentation.
 
 ## Section 5: Try it out!
 

exercises/problem/plot1.py

@@ -1,7 +1,7 @@
 import xarray
 import matplotlib.pyplot as plt
 
-ds = xarray.open_dataset("../data/CARS2009_temp20-40S_69-88W.nc")
+ds = xarray.open_dataset("../data/HadCRUT.5.0.0.0_analysis_summary-series_180E-0N-180W-30N_annual.nc")
 
-ds['temp'].plot()
+plt.fill_between(ds['time'].data, ds['tas_lower'].data, ds['tas_upper'])
 plt.show()