diff --git a/.gitignore b/.gitignore
index 7e99e36..0205d62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-*.pyc
\ No newline at end of file
+*.pyc
+.DS_Store
diff --git a/Medium-blog/Tobit model for riders.ipynb b/Medium-blog/Tobit model for riders.ipynb
new file mode 100644
index 0000000..d2ce653
--- /dev/null
+++ b/Medium-blog/Tobit model for riders.ipynb
@@ -0,0 +1,382 @@
+{
+ "cells": [
+ {
+ "cell_type": "code",
+ "execution_count": 1,
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "import pandas as pd\n",
+ "import numpy as np\n",
+ "import matplotlib.pyplot as plt\n",
+ "from sklearn.linear_model import LinearRegression\n",
+ "import sys\n",
+ "sys.path.insert(0, '/Users/alvaro.corrales.canoibm.com/Documents/Scripts/Tobit/') # import tobit custom library from wherever we've got it\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "### Data ingestion and exploraiton"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {},
+ "outputs": [
+ {
+ "data": {
+ "text/html": [
+ "\n",
+ "\n",
+ "
\n",
+ " \n",
+ " \n",
+ " | \n",
+ " driver_id | \n",
+ " date | \n",
+ " rides_completed | \n",
+ " earnings | \n",
+ " hours_worked | \n",
+ " earnings_hour | \n",
+ "
\n",
+ " \n",
+ " \n",
+ " \n",
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+ " 1.0 | \n",
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+ " 6.19 | \n",
+ " 61.066236 | \n",
+ "
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+ " \n",
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+ " 75.340768 | \n",
+ "
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+ " 8.67 | \n",
+ " 60.092272 | \n",
+ "
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+ " \n",
+ " | 3 | \n",
+ " 1.0 | \n",
+ " 2021-06-19 | \n",
+ " 13.0 | \n",
+ " 350.0 | \n",
+ " 7.48 | \n",
+ " 46.791444 | \n",
+ "
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+ " \n",
+ " | 4 | \n",
+ " 1.0 | \n",
+ " 2021-06-20 | \n",
+ " 31.0 | \n",
+ " 920.0 | \n",
+ " 11.24 | \n",
+ " 81.850534 | \n",
+ "
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+ " \n",
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+ "