It is possible to visualize decision trees using pydotpluspypi, but there are problems on my machine (it says that it was not created using libexpat, and therefore it only displays the number on the node instead of the table with some information), and I would like to use an alternative. I have already tried using networkx, but it requires that you pygraphvizread .dot files and make them a networkx graph. When I tried to install it using pip, which also failed.
So now I'm looking for an alternative way to visualize decision trees that can be installed using pip or anaconda.
What are the alternatives?
EDIT # 1
Conclusion conda list:
alabaster 0.7.7 py34_0 defaults
awscli 1.6.2 <pip>
babel 2.3.3 py34_0 defaults
backports 1.0 py34_0 defaults
backports-abc 0.4 <pip>
backports.shutil-get-terminal-size 1.0.0 <pip>
backports_abc 0.4 py34_0 defaults
bcdoc 0.12.2 <pip>
boto 2.33.0 <pip>
botocore 0.73.0 <pip>
cairo 1.12.18 6 defaults
certifi 2015.4.28 <pip>
colorama 0.2.5 <pip>
cycler 0.10.0 py34_0 defaults
decorator 4.0.9 py34_0 defaults
docutils 0.12 py34_0 defaults
entrypoints 0.2 py34_1 defaults
expat 2.1.0 0 defaults
fontconfig 2.11.1 5 defaults
freetype 2.5.5 0 defaults
get_terminal_size 1.0.0 py34_0 defaults
glib 2.43.0 2 asmeurer
graphviz 2.38.0 1 defaults
harfbuzz 0.9.39 0 defaults
imagesize 0.7.0 py34_0 defaults
ipykernel 4.3.1 py34_0 defaults
ipython 4.2.0 py34_0 defaults
ipython-genutils 0.1.0 <pip>
ipython_genutils 0.1.0 py34_0 defaults
ipywidgets 4.1.1 py34_0 defaults
jedi 0.9.0 py34_0 defaults
jinja2 2.8 py34_0 defaults
jmespath 0.5.0 <pip>
jsonschema 2.5.1 py34_0 defaults
jupyter 1.0.0 py34_2 defaults
jupyter-client 4.2.2 <pip>
jupyter-console 4.1.1 <pip>
jupyter-core 4.1.0 <pip>
jupyter_client 4.2.2 py34_0 defaults
jupyter_console 4.1.1 py34_0 defaults
jupyter_core 4.1.0 py34_0 defaults
libffi 3.2.1 0 defaults
libgcc 5.2.0 0 defaults
libgfortran 3.0.0 1 defaults
libpng 1.6.17 0 defaults
libsodium 1.0.3 0 defaults
libxml2 2.9.2 0 defaults
llvmlite 0.10.0 py34_0 defaults
markupsafe 0.23 py34_0 defaults
matplotlib 1.5.1 np111py34_0 defaults
mistune 0.7.2 py34_0 defaults
mkl 11.3.1 0 defaults
multipledispatch 0.4.8 <pip>
nbconvert 4.2.0 py34_0 defaults
nbformat 4.0.1 py34_0 defaults
notebook 4.2.0 py34_0 defaults
numpy 1.11.0 py34_0 defaults
openssl 1.0.2h 0 defaults
pandas 0.18.1 np111py34_0 defaults
pango 1.39.0 0 defaults
path.py 8.2.1 py34_0 defaults
pep8 1.7.0 py34_0 defaults
pexpect 4.0.1 py34_0 defaults
pickleshare 0.5 py34_0 defaults
pip 8.1.1 py34_1 defaults
pixman 0.32.6 0 defaults
prettytable 0.7.2 <pip>
psutil 4.1.0 py34_0 defaults
ptyprocess 0.5 py34_0 defaults
pyasn1 0.1.9 <pip>
pydotplus 2.0.2 py34_0 file:///home/xiaolong/development/anaconda3/conda-bld/linux-64/pydotplus-2.0.2-py34_0.tar.bz2
pyflakes 1.1.0 py34_0 defaults
pygments 2.1.3 py34_0 defaults
pyparsing 2.1.1 py34_0 defaults
pyqt 4.11.4 py34_1 defaults
python 3.4.4 0 defaults
python-contrib-nbextensions alpha <pip>
python-dateutil 2.5.2 py34_0 defaults
pytz 2016.3 py34_0 defaults
pyyaml 3.11 <pip>
pyzmq 15.2.0 py34_0 defaults
qt 4.8.7 1 defaults
qtconsole 4.2.1 py34_0 defaults
readline 6.2 2 defaults
requests 2.9.1 <pip>
rope 0.9.4 py34_1 defaults
rope-py3k 0.9.4.post1 <pip>
rsa 3.1.2 <pip>
scikit-learn 0.17.1 np111py34_0 defaults
scipy 0.17.0 np111py34_3 defaults
setuptools 20.7.0 py34_0 defaults
sframe 1.8.5 <pip>
simplegeneric 0.8.1 py34_0 defaults
sip 4.16.9 py34_0 defaults
six 1.10.0 py34_0 defaults
snowballstemmer 1.2.1 py34_0 defaults
sphinx 1.4.1 py34_0 defaults
sphinx-rtd-theme 0.1.9 <pip>
sphinx_rtd_theme 0.1.9 py34_0 defaults
spyder 2.3.8 py34_1 defaults
sqlite 3.9.2 0 defaults
terminado 0.5 py34_1 defaults
tk 8.5.18 0 defaults
tornado 4.3 py34_0 defaults
traitlets 4.2.1 py34_0 defaults
wheel 0.29.0 py34_0 defaults
xz 5.0.5 1 defaults
zeromq 4.1.3 0 defaults
zlib 1.2.8 0 defaults
SciPy Version: 0.17.0
digraph Tree {
node [shape=box, style="filled", color="black"] ;
0 [label="grade.B <= 0.5\ngini = 0.5\nsamples = 37224\nvalue = [18476, 18748]", fillcolor="#399de504"] ;
1 [label="grade.C <= 0.5\ngini = 0.4973\nsamples = 32094\nvalue = [17218, 14876]", fillcolor="#e5813923"] ;
0 -> 1 [labeldistance=2.5, labelangle=45, headlabel="True"] ;
2 [label="gini = 0.4829\nsamples = 21728\nvalue = [12875, 8853]", fillcolor="#e5813950"] ;
1 -> 2 ;
3 [label="gini = 0.4869\nsamples = 10366\nvalue = [4343, 6023]", fillcolor="#399de547"] ;
1 -> 3 ;
4 [label="grade.A <= 14.8301\ngini = 0.3702\nsamples = 5130\nvalue = [1258, 3872]", fillcolor="#399de5ac"] ;
0 -> 4 [labeldistance=2.5, labelangle=-45, headlabel="False"] ;
5 [label="gini = 0.3555\nsamples = 4987\nvalue = [1153, 3834]", fillcolor="#399de5b2"] ;
4 -> 5 ;
6 [label="gini = 0.3902\nsamples = 143\nvalue = [105, 38]", fillcolor="#e58139a3"] ;
4 -> 6 ;
}
Edit # 2
Jupyter, , svg, SVG, :

:
from IPython.display import HTML
svg = None
with open('dtree.svg') as svg_file:
svg = svg_file.read()
HTML(svg)