Fix permutation error in b vector

CH01/CH01_SEC04_3_Housing.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -50,7 +50,6 @@
     "\n",
     "ax2 = fig.add_subplot(122)\n",
     "sort_ind = np.argsort(H[:,-1])\n",
-    "#b = b[sort_ind] # sorted values\n",
     "plt.plot(b[sort_ind], Color='k', LineWidth=2, label='Housing Value') # True relationship\n",
     "plt.plot(A[sort_ind,:]@x, '-o', Color='r', LineWidth=1.5, MarkerSize=6, label='Regression')\n",
     "plt.xlabel('Neighborhood')\n",
@@ -61,7 +60,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [
     {

README.md

@@ -0,0 +1,16 @@
+# Data_Driven_Science_Python_Demos
+
+<img src="http://www.databookuw.com/files/stacks-image-5bffc53-882x1200.png" alt="Data Driven Book Cover" width="200"/>
+
+IPython notebooks with demo code intended as a companion to the book:  
+
+
+Data Driven Science & Engineering: Machine Learning, Dynamical Systems, and Control  
+by S. L. Brunton and J. N. Kutz  
+Cambridge Textbook, 2019  
+Copyright 2019, All Rights Reserved  
+
+
+Python code library by Daniel Dylewsky. This code and equivalent Matlab code are available at http://www.databookuw.com/. There are a few items that are only available in the Matlab version. Many of these notebooks make use of third-party Python modules. Download links for the more obscure ones are provided inline.
+
+Please cite this book when using this code/data.