From ef12c8da32cc2db243b01cb1b89c66b8616141bd Mon Sep 17 00:00:00 2001 From: "b.ghazlane" Date: Thu, 15 Apr 2021 22:38:06 +0200 Subject: [PATCH] fix: correct ex 3 and set ex 3 to optional --- one_md_per_day_format/piscine/Week2/day1.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/one_md_per_day_format/piscine/Week2/day1.md b/one_md_per_day_format/piscine/Week2/day1.md index 3d8aec1..bac15a4 100644 --- a/one_md_per_day_format/piscine/Week2/day1.md +++ b/one_md_per_day_format/piscine/Week2/day1.md @@ -163,7 +163,7 @@ array([ 83.86186727, 140.80961751, 116.3333897 , 64.52998689, # Exercise 3: Train test split -The goal of this exercise is to learn to split a data set. It is important to understand why we split the data in two sets. To put it in a nutshell: the Machine Learning algorithms learns on the training data and is evaluates on the data that hasn't seen before: the testing data. +The goal of this exercise is to learn to split a data set. It is important to understand why we split the data in two sets. To put it in a nutshell: the Machine Learning model learns on the training data and evaluates on the data the model hasn't seen before: the testing data. This video gives a basic and nice explanation: https://www.youtube.com/watch?v=_vdMKioCXqQ @@ -296,7 +296,7 @@ https://scikit-learn.org/stable/datasets/toy_dataset.html#diabetes-dataset 4. This question is validated if the mse on the **train set** is `2888.326888` and the mse on the **test set** is `2858.255153`. -## Exercise 5 Gradient Descent +## Exercise 5 Gradient Descent - Optional The goal of this exercise is to understand how the Linear Regression algorithm finds the optimal coefficients.