|
| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "code", |
| 5 | + "execution_count": 1, |
| 6 | + "metadata": { |
| 7 | + "collapsed": true |
| 8 | + }, |
| 9 | + "outputs": [], |
| 10 | + "source": [ |
| 11 | + "from sklearn.datasets import *\n", |
| 12 | + "from sklearn import tree\n", |
| 13 | + "from dtreeviz.trees import *\n", |
| 14 | + "\n", |
| 15 | + "%matplotlib inline" |
| 16 | + ] |
| 17 | + }, |
| 18 | + { |
| 19 | + "cell_type": "code", |
| 20 | + "execution_count": 2, |
| 21 | + "metadata": { |
| 22 | + "collapsed": false |
| 23 | + }, |
| 24 | + "outputs": [ |
| 25 | + { |
| 26 | + "name": "stderr", |
| 27 | + "output_type": "stream", |
| 28 | + "text": [ |
| 29 | + "Format: \"svg:cairo\" not recognized. Use one of: svg:svg:core\n" |
| 30 | + ] |
| 31 | + }, |
| 32 | + { |
| 33 | + "ename": "CalledProcessError", |
| 34 | + "evalue": "Command '['dot', '-Tsvg:cairo', '-o', '/var/folders/t8/0dm2sn8s5736hljnhb2ygd3w0000gn/T/DTreeViz_15764.svg', '/var/folders/t8/0dm2sn8s5736hljnhb2ygd3w0000gn/T/DTreeViz_15764']' returned non-zero exit status 1.", |
| 35 | + "output_type": "error", |
| 36 | + "traceback": [ |
| 37 | + "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m", |
| 38 | + "\u001b[0;31mCalledProcessError\u001b[0m Traceback (most recent call last)", |
| 39 | + "\u001b[0;32m<ipython-input-2-eeda48ea9aa8>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m 11\u001b[0m ) \n\u001b[1;32m 12\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 13\u001b[0;31m \u001b[0mviz\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mview\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m", |
| 40 | + "\u001b[0;32m~/anaconda/envs/py37/lib/python3.7/site-packages/dtreeviz/trees.py\u001b[0m in \u001b[0;36mview\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 64\u001b[0m \u001b[0mtmp\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mtempfile\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mgettempdir\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 65\u001b[0m \u001b[0msvgfilename\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34mf\"{tmp}/DTreeViz_{getpid()}.svg\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 66\u001b[0;31m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msave\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0msvgfilename\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 67\u001b[0m \u001b[0mview\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0msvgfilename\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 68\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n", |
| 41 | + "\u001b[0;32m~/anaconda/envs/py37/lib/python3.7/site-packages/dtreeviz/trees.py\u001b[0m in \u001b[0;36msave\u001b[0;34m(self, filename)\u001b[0m\n\u001b[1;32m 87\u001b[0m \u001b[0mcmd\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;34m\"dot\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34mf\"-T{format}:cairo\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"-o\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mfilename\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mdotfilename\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 88\u001b[0m \u001b[0;31m# print(' '.join(cmd))\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 89\u001b[0;31m \u001b[0mstdout\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mstderr\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mrun\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mcmd\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcapture_output\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mTrue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcheck\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mTrue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mquiet\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mFalse\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 90\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 91\u001b[0m \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n", |
| 42 | + "\u001b[0;32m~/anaconda/envs/py37/lib/python3.7/site-packages/graphviz/backend.py\u001b[0m in \u001b[0;36mrun\u001b[0;34m(cmd, input, capture_output, check, quiet, **kwargs)\u001b[0m\n\u001b[1;32m 157\u001b[0m \u001b[0mstderr_write_bytes\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0merr\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mflush\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mTrue\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 158\u001b[0m \u001b[0;32mif\u001b[0m \u001b[0mcheck\u001b[0m \u001b[0;32mand\u001b[0m \u001b[0mproc\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mreturncode\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 159\u001b[0;31m \u001b[0;32mraise\u001b[0m \u001b[0mCalledProcessError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mproc\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mreturncode\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcmd\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0moutput\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mout\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mstderr\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0merr\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 160\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 161\u001b[0m \u001b[0;32mreturn\u001b[0m \u001b[0mout\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0merr\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n", |
| 43 | + "\u001b[0;31mCalledProcessError\u001b[0m: Command '['dot', '-Tsvg:cairo', '-o', '/var/folders/t8/0dm2sn8s5736hljnhb2ygd3w0000gn/T/DTreeViz_15764.svg', '/var/folders/t8/0dm2sn8s5736hljnhb2ygd3w0000gn/T/DTreeViz_15764']' returned non-zero exit status 1." |
| 44 | + ] |
| 45 | + } |
| 46 | + ], |
| 47 | + "source": [ |
| 48 | + "classifier = tree.DecisionTreeClassifier(max_depth=2) # limit depth of tree\n", |
| 49 | + "iris = load_iris()\n", |
| 50 | + "classifier.fit(iris.data, iris.target)\n", |
| 51 | + "\n", |
| 52 | + "viz = dtreeviz(classifier, \n", |
| 53 | + " iris.data, \n", |
| 54 | + " iris.target,\n", |
| 55 | + " target_name='variety',\n", |
| 56 | + " feature_names=iris.feature_names, \n", |
| 57 | + " class_names=[\"setosa\", \"versicolor\", \"virginica\"] # need class_names for classifier\n", |
| 58 | + " ) \n", |
| 59 | + " \n", |
| 60 | + "viz.view() " |
| 61 | + ] |
| 62 | + }, |
| 63 | + { |
| 64 | + "cell_type": "code", |
| 65 | + "execution_count": null, |
| 66 | + "metadata": { |
| 67 | + "collapsed": true |
| 68 | + }, |
| 69 | + "outputs": [], |
| 70 | + "source": [] |
| 71 | + } |
| 72 | + ], |
| 73 | + "metadata": { |
| 74 | + "anaconda-cloud": {}, |
| 75 | + "kernelspec": { |
| 76 | + "display_name": "Python [conda env:py37]", |
| 77 | + "language": "python", |
| 78 | + "name": "conda-env-py37-py" |
| 79 | + }, |
| 80 | + "language_info": { |
| 81 | + "codemirror_mode": { |
| 82 | + "name": "ipython", |
| 83 | + "version": 3 |
| 84 | + }, |
| 85 | + "file_extension": ".py", |
| 86 | + "mimetype": "text/x-python", |
| 87 | + "name": "python", |
| 88 | + "nbconvert_exporter": "python", |
| 89 | + "pygments_lexer": "ipython3", |
| 90 | + "version": "3.7.1" |
| 91 | + } |
| 92 | + }, |
| 93 | + "nbformat": 4, |
| 94 | + "nbformat_minor": 1 |
| 95 | +} |
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