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fix: change audit format

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brad-gh 2 years ago committed by GitHub
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  1. 20
      piscine/week01/day01/ex08/audit/README.md

20
piscine/week01/day01/ex08/audit/README.md
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@ -1,7 +1,9 @@
1. This question is validated if the text file has successfully been loaded in a NumPy array with
##### This exercise is validated if all the questions below are validated
##### This question is validated if the text file has successfully been loaded in a NumPy array with
`genfromtxt('winequality-red.csv', delimiter=',')` and the reduced arrays weights **76800 bytes**
2. This question is validated if the output is
##### This question is validated if the output is
```python
array([[ 7.4 , 0.7 , 0. , 1.9 , 0.076 , 11. , 34. ,
@ -14,11 +16,11 @@
This slicing gives the answer `my_data[[1,6,11],:]`.
3. This question is validated if the answer if False. There many ways to get the answer: find the maximum or check values greater than 20.
##### This question is validated if the answer if False. There many ways to get the answer: find the maximum or check values greater than 20.
4. This question is validated if the answer is 10.422983114446529.
##### This question is validated if the answer is 10.422983114446529.
5. This question is validated if the answers is:
##### This question is validated if the answers is:
```console
pH stats
@ -32,9 +34,9 @@ This slicing gives the answer `my_data[[1,6,11],:]`.
> *Note: Using `percentile` or `median` may give different results depending on the duplicate values in the column. If you do not have my results please use `percentile`.*
6. This question is validated if the answer is ~`5.2`. The first step is to get the percentile 20% of the column `sulphates`, then create a boolean array that contains `True` of the value is smaller than the percentile 20%, then select this rows with the column quality and compute the `mean`.
##### This question is validated if the answer is ~`5.2`. The first step is to get the percentile 20% of the column `sulphates`, then create a boolean array that contains `True` of the value is smaller than the percentile 20%, then select this rows with the column quality and compute the `mean`.
7. This question is validated if the output for the best wines is:
##### This question is validated if the output for the best wines is:
```python
array([ 8.56666667, 0.42333333, 0.39111111, 2.57777778, 0.06844444,
@ -42,11 +44,11 @@ array([ 8.56666667, 0.42333333, 0.39111111, 2.57777778, 0.06844444,
12.09444444, 8. ])
```
And the output for the bad wines is:
##### This question is validated if the output for the bad wines is:
```python
array([ 8.36 , 0.8845 , 0.171 , 2.635 , 0.1225 , 11. ,
24.9 , 0.997464, 3.398 , 0.57 , 9.955 , 3. ])
```
This can be done in three steps: Get the max, create a boolean mask that indicates rows with max quality, use this mask to subset the rows with the best quality and compute the mean on the axis 0.
This can be done in three steps: Get the max, create a boolean mask that indicates rows with max quality, use this mask to subset the rows with the best quality and compute the mean on the axis 0.

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