From cefa4d59f29670402025f21c0de3ad00d5e90c4f Mon Sep 17 00:00:00 2001 From: eslopfer Date: Wed, 21 Dec 2022 09:17:48 +0000 Subject: [PATCH] docs(data-wrangling-with-pandas): fix audits format --- subjects/ai/data-wrangling/audit/README.md | 30 +++++++++++----------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/subjects/ai/data-wrangling/audit/README.md b/subjects/ai/data-wrangling/audit/README.md index 266976c5e..65a2d1edc 100644 --- a/subjects/ai/data-wrangling/audit/README.md +++ b/subjects/ai/data-wrangling/audit/README.md @@ -1,6 +1,6 @@ #### Exercise 0: Environment and libraries -##### The exercise is validated is all questions of the exercise are validated. +##### The exercise is validated if all questions of the exercise are validated. ##### Activate the virtual environment. If you used `conda` run `conda activate your_env`. @@ -8,7 +8,7 @@ ###### Does it print `Python 3.x`? x >= 8 -##### Does `import jupyter`, `import numpy` and `import pandas` run without any error? +###### Does `import jupyter`, `import numpy` and `import pandas` run without any error? --- @@ -16,7 +16,7 @@ #### Exercise 1: Concatenate -##### This question is validated if the outputted DataFrame is: +###### Is the outputted DataFrame as below for question 1? | | letter | number | |---:|:---------|---------:| @@ -31,16 +31,16 @@ #### Exercise 2: Merge -##### The exercise is validated is all questions of the exercise are validated. +##### The exercise is validated if all questions of the exercise are validated. -##### The question 1 is validated if the output is: +###### Does the output for question 1 look as below? | | id | Feature1_x | Feature2_x | Feature1_y | Feature2_y | |---:|-----:|:-------------|:-------------|:-------------|:-------------| | 0 | 1 | A | B | K | L | | 1 | 2 | C | D | M | N | -##### The question 2 is validated if the output is: +###### Does the output for question 2 look as below? | | id | Feature1_df1 | Feature2_df1 | Feature1_df2 | Feature2_df2 | |---:|-----:|:---------------|:---------------|:---------------|:---------------| @@ -52,7 +52,7 @@ | 5 | 6 | nan | nan | O | P | | 6 | 7 | nan | nan | Q | R | | 7 | 8 | nan | nan | S | T | - + Note: Check that the suffixes are set using the suffix parameters rather than manually changing the columns' name. --- @@ -61,9 +61,9 @@ #### Exercise 3: Merge MultiIndex -##### The exercice is validated is all questions of the exercice are validated. +##### The exercise is validated if all questions of the exercise are validated. -##### The question 1 is validated if the outputted DataFrame's shape is `(1305, 5)` and if `merged.head()` returns a table as below. One of the answers that returns the correct DataFrame is `market_data.merge(alternative_data, how='left', left_index=True, right_index=True)` +###### Is the outputted DataFrame's shape `(1305, 5)` and `merged.head()` returns a table as below for question 1? One of the answers that returns the correct DataFrame is `market_data.merge(alternative_data, how='left', left_index=True, right_index=True)` | | Open | Close | Close_Adjusted | Twitter | Reddit | | :--------------------------------------------------- | --------: | -------: | -------------: | ----------: | --------: | @@ -73,7 +73,7 @@ | (Timestamp('2021-01-01 00:00:00', freq='B'), 'AMZN') | 1.06324 | 0.841241 | -0.799481 | -0.805677 | 0.511769 | | (Timestamp('2021-01-01 00:00:00', freq='B'), 'DAI') | -0.603453 | -2.06141 | -0.969064 | 1.49817 | 0.730055 | -##### The question 2 is validated if the numbers that are missing in the DataFrame are equal to 0 and if `filled_df.sum().sum() == merged_df.sum().sum()` gives: `True` +###### For question 2, are the numbers that are missing in the DataFrame equal to 0 and `filled_df.sum().sum() == merged_df.sum().sum()` gives: `True`? --- @@ -83,7 +83,7 @@ ##### The exercise is validated is all questions of the exercise are validated and if the for loop hasn't been used. The goal is to use `groupby` and `apply`. -##### The question 1 is validated if the output is: +###### Is the output for question 1 the following? ```python df = pd.DataFrame(range(1,11), columns=['sequence']) @@ -103,7 +103,7 @@ | 8 | 8.2 | | 9 | 8.2 | -##### The question 2 is validated if the output is a Pandas Series or DataFrame with the first 11 rows equal to the output below. The code below give a solution. +###### Is the output for question 2 a Pandas Series or DataFrame with the first 11 rows equal to the output below? The code below gives a solution. | | sequence | |---:|-----------:| @@ -143,7 +143,7 @@ #### Exercise 5: Groupby Agg -##### The question is validated if the output is as below. The columns don't have to be MultiIndex. A solution could be `df.groupby('product').agg({'value':['min','max','mean']})` +###### Is the output for question 1 as below? The columns don't have to be MultiIndex. A solution could be `df.groupby('product').agg({'value':['min','max','mean']})` | product | ('value', 'min') | ('value', 'max') | ('value', 'mean') | | :----------- | ---------------: | ---------------: | ----------------: | @@ -157,7 +157,7 @@ #### Exercise 6: Unstack -##### The question 1 is validated if the output is similar (as the values are generated randomly, it's obvious the audit doesn't require to match the values below) to what `unstacked_df.head()`returns: +###### Is the output similar (as the values are generated randomly, it's obvious the audit doesn't require to match the values below) to what `unstacked_df.head()`returns for question 1? | Date | ('Prediction', 'AAPL') | ('Prediction', 'AMZN') | ('Prediction', 'DAI') | ('Prediction', 'FB') | ('Prediction', 'GE') | |:--------------------|-------------------------:|-------------------------:|------------------------:|-----------------------:|-----------------------:| @@ -165,4 +165,4 @@ | 2021-01-04 00:00:00 | -0.560953 | 0.503199 | -0.79517 | -3.23136 | 1.50271 | | 2021-01-05 00:00:00 | 0.211489 | 1.84867 | 0.287906 | -1.81119 | 1.20321 | -##### The question 2 is validated if the answer is: `unstacked.plot(title = 'Stocks 2021')`. The title can be anything else. +###### Is the answer for question 2: `unstacked.plot(title = 'Stocks 2021')`? The title can be anything else.