All Questions
Tagged with pydot scikit-learn
21 questions
1
vote
1
answer
1k
views
Getting path error while Plotting decision tree, graphviz pydotplus
I'm executing the code below and getting the error following it -
from IPython.display import Image
from sklearn.tree import export_graphviz
from six import StringIO
import pydotplus
features = list(...
0
votes
2
answers
1k
views
Error in Displaying Decision Tree in Jupyter Notebook
My Code :
from IPython.display import Image
from sklearn.externals.six import StringIO
import pydotplus
dot_data = StringIO()
tree.export_graphviz(clf, out_file=dot_data,
...
- 3
4
votes
1
answer
6k
views
error message when using pydot to save image AttributeError: module 'os' has no attribute 'errno'
I am trying to use the following code segment to save a tree image generated from fitting a random forest model
# Import tools needed for visualization
from sklearn.tree import export_graphviz
import ...
- 13k
1
vote
1
answer
5k
views
Using graphviz to plot decision tree in python
I am following the answer presented to a previous post: Is it possible to print the decision tree in scikit-learn?
from sklearn.datasets import load_iris
from sklearn import tree
from sklearn....
- 873
5
votes
2
answers
10k
views
Color of the node of tree with graphviz using class_names
Expanding on a prior question:
Changing colors for decision tree plot created using export graphviz
How would I color the nodes of the tree bases on the dominant class (species of iris), instead of a ...
- 1,382
1
vote
0
answers
748
views
pydotplus does not import -- trying to visualize gradient boosting tree
My goal is to visualize the results of a gradient boosting classifier.
from sklearn.ensemble import GradientBoostingClassifier
clf_gbc = GradientBoostingClassifier(random_state=42)
pipe = Pipeline(...
- 73
1
vote
1
answer
129
views
Visualizing RandomForestRegression trees
I have run a RandomForestRegression model in sklearn and saved the output of my decisions trees (n_estimators=50) into 50 .dot files.
Now I want to save them so I can view them as actual trees.
I am ...
- 3,577
38
votes
7
answers
151k
views
Plot trees for a Random Forest in Python with Scikit-Learn
I want to plot a decision tree of a random forest. So, i create the following code:
clf = RandomForestClassifier(n_estimators=100)
import pydotplus
import six
from sklearn import tree
dotfile = six....
- 1,215
7
votes
6
answers
24k
views
Plotting decision tree, graphvizm pydotplus
I'm following the tutorial for decision tree on scikit documentation.
I have pydotplus 2.0.2 but it is telling me that it does not have write method - error below. I've been struggling for a while ...
- 1,593
1
vote
1
answer
2k
views
Sckit learn with GraphViz exports empty outputs
I would like to export decision tree using sklearn.
First I trained a decision tree classifier:
self._selected_classifier = tree.DecisionTreeClassifier()
self._selected_classifier.fit(...
- 2,097
47
votes
10
answers
28k
views
graph.write_pdf("iris.pdf") AttributeError: 'list' object has no attribute 'write_pdf'
My code is follow the class of machine learning of google.The two code are same.I don't know why it show error.May be the type of variable is error.But google's code is same to me.Who has ever had ...
- 583
5
votes
2
answers
6k
views
sklearn.tree.export_graphviz alternatives
It is possible to visualize decision trees using pydotplus from pypi, but it has issues on my machine (it says it was not build with libexpat and thus it only shows a number on a node instead of a ...
- 6,170
2
votes
3
answers
7k
views
NameError: global name 'dot_parser' is not defined
I was playing with the decision tree algorithm and trying to plot the tree. However the IDE reported following error:
Couldn't import dot_parser, loading of dot files will not be possible.
<class '...
- 105
1
vote
1
answer
477
views
scikit-learn: Decision tree
I am trying to train a decision tree with iris dataset from scikit-learn. I tried running the following command:
from sklearn.datasets import load_iris
from sklearn import tree
clf = tree....
- 65
1
vote
3
answers
7k
views
Python Decision Tree GraphViz
I'm attempting to implement a Decision Tree with scikit learn and then visualise the tree with Graphviz which I understand is the standard choice for visualising DT. I'm using PyCharm, anaconda, ...
- 3,156
3
votes
1
answer
3k
views
"class_names" in export_graphviz unexpected keyword error
With the following code:
classes = ['ham', 'spam']
dot_data = StringIO()
with open("./plots/ritesh.dot", "w") as f:
export_graphviz(dt_old.named_steps['classifier'], out_file=f, feature_names=...
- 2,005
2
votes
1
answer
1k
views
How do i draw decisiontree? (TypeError: startswith in graph from dot data, pydot)
I am new at working with Scikit Learn, machine learning, with Python. I was trying to work with a decision tree. I managed to do all the cleaning of the data, analysis and so on until I tried to get ...
- 388
2
votes
1
answer
2k
views
Pydot error with sklearn decision tree graph
I am trying to use following code from sklearn (http://scikit-learn.org/stable/modules/tree.html):
from sklearn.externals.six import StringIO
import pydot
dot_data = StringIO()
tree.export_graphviz(...
- 129
5
votes
2
answers
3k
views
Visualizing scikit-learn/ sklearn multi-output decision tree regression in png or pdf
this is the first question I'm posting on stackoverflow so I apologize for any mishaps in layout and so on (advice welcome). Your help is much appreciated!
I'm trying to visualize the output of ...
- 642
1
vote
0
answers
815
views
How identify left (True) and right (False) branch
I exported a scikit-learn DecisionTree to a .dot file with export_graphviz.
In a different module I want to load the tree from the .dot file and fill a different tree structure.
Question: How do I ...
- 6,710
75
votes
28
answers
175k
views
Why is pydot unable to find GraphViz's executables in Windows 8?
I have GraphViz 2.32 installed in Windows 8 and have added C:\Program Files (x86)\Graphviz2.32\bin to the System PATH variable. Still pydot is unable to find its executables.
Traceback (most recent ...
- 2,381