Chapter 1 - make Poisson code runnable again

Author: georgemarrows

Chapter1_Introduction/Chapter1_Introduction.ipynb

@@ -427,6 +427,7 @@
       "a = np.arange(16)\n",
       "poi = stats.poisson\n",
       "lambda_ = [1.5, 4.25]\n",
+      "colours = [\"#348ABD\", \"#A60628\"]\n",
       "\n",
       "plt.bar(a, poi.pmf(a, lambda_[0]), color=colours[0],\n",
       "        label=\"$\\lambda = %.1f$\" % lambda_[0], alpha=0.60,\n",