add or modify poll/queries

maxplanck-ie · Apr 10, 2024 · d97a578 · d97a578
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diff --git a/qmd/01_FirstSteps.qmd b/qmd/01_FirstSteps.qmd
@@ -75,6 +75,7 @@ One way to communicate this context is with the output from sessionInfo().
 sessionInfo()
 ```
 
+**Query**: Using sessionInfo() determine which R-version you are running.
 ****
 
 # Assigning values to objects

diff --git a/qmd/03_GettingData.qmd b/qmd/03_GettingData.qmd
@@ -154,7 +154,6 @@ In Rstudio they can be created using `File > New File > R script`
   - How many different species are in the new data_frame. Save this number as variable `ns` (hint: there are two useful functions: `unique()` and `length()`)
   - write the new `data_frame d` in comma seperated file `iris_big_sepal.csv`
   - save the whole environment in a file `analysis.RData` 
-  - delete all variables in the environment
 * Save the script and run it (source)
 * Bonus: Delete all whole environment reload it from the image file