differences for PR #214

06-join.md

@@ -1071,6 +1071,10 @@ read_back_csv.head(3)
 ```
 
 The CSV file contains the names of the columns, but not the data types.
+A keen observer may note that the `dataframe` that we wrote to the CSV file did not contain data types, so it is unsurprising that 
+the CSV file also does not. 
+However, even if we had written a CSV file from an astropy `Table`, which does contain data type, 
+data type would not appear in the CSV file, highlighting a limitation of this format.
 Additionally, notice that the index in `candidate_df` has become an unnamed column
 in `read_back_csv` and a new index has been created.  The Pandas functions for writing and reading CSV
 files provide options to avoid that problem, but this is an example of

md5sum.txt

@@ -8,7 +8,7 @@
 "episodes/03-transform.md" "d38665c759dc3a5f06c5fb890fdc763c" "site/built/03-transform.md" "2023-05-15"
 "episodes/04-motion.md" "9e824eb5f237351deb6d932a9d427770" "site/built/04-motion.md" "2023-05-15"
 "episodes/05-select.md" "ab90620df79c5b59aa8855958a6444bf" "site/built/05-select.md" "2023-05-15"
-"episodes/06-join.md" "f54d16799fa98166d2132369359d269f" "site/built/06-join.md" "2023-05-15"
+"episodes/06-join.md" "7532e99782ca2886407f6633b255425e" "site/built/06-join.md" "2023-12-30"
 "episodes/07-photo.md" "44f363c16a062532e684d6d96f82f68d" "site/built/07-photo.md" "2023-05-15"
 "episodes/08-plot.md" "c377ba01cacd8cc54061861eaf009a6c" "site/built/08-plot.md" "2023-05-15"
 "instructors/calculating_MIST_isochrone.md" "3201f3ca13dc11bbef74a7d24a433362" "site/built/calculating_MIST_isochrone.md" "2023-05-15"