import?pydotplus
from?sklearn.datasets?import?load_iris
from?sklearn?import?tree
import?collections

#?Data?Collection
X?=?[?[180?150]?????
??????[177?420]
??????[136?351]
??????[174?650]
??????[141?281]]

Y?=?[‘man‘?‘woman‘?‘woman‘?‘man‘?‘woman‘]????
data_feature_names?=?[?‘height‘?‘hair?length‘?‘voice?pitch‘?]

#?Training
clf?=?tree.DecisionTreeClassifier（）
clf?=?clf.fit（XY）

#?Visualize?data
dot_data?=?tree.export_graphviz（clf
????????????????????????????????feature_names=data_feature_names
????????????????????????????????out_file=None
????????????????????????????????filled=True
????????????????????????????????rounded=True）
graph?=?pydotplus.graph_from_dot_data（dot_data）

colors?=?（‘turquoise‘?‘orange‘）
edges?=?collections.defaultdict（list）

for?edge?in?graph.get_edge_list（）:
????edges[edge.get_source（）].append（int（edge.get_destination（）））
print（edges）
for?edge?in?edges:
????edges[edge].sort（）????
????for?i?in?range（2）:
????????dest?=?graph.get_node（str（edges[edge][i]））[0]
????????dest.set_fillcolor（colors[i]）

graph.write_png（‘tree.png‘）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-02-15?20:21??04-Python語言入門\
?????目錄???????????0??2020-02-15?19:09??04-Python語言入門\.ipynb_checkpoints\
?????文件????????9405??2020-02-15?20:21??04-Python語言入門\.ipynb_checkpoints\numpy_basic-checkpoint.ipynb
?????文件??????100183??2020-02-15?19:47??04-Python語言入門\.ipynb_checkpoints\pandas_basic-checkpoint.ipynb
?????文件?????1255483??2020-02-15?19:27??04-Python語言入門\.ipynb_checkpoints\python3.5_basic-checkpoint.ipynb
?????文件?????????224??2020-02-15?19:55??04-Python語言入門\bin_data.npy
?????文件?????????280??2020-02-02?10:13??04-Python語言入門\cdv_data.csv
?????文件???????88899??2020-02-15?19:40??04-Python語言入門\foo.csv
?????文件???????76663??2020-02-15?19:42??04-Python語言入門\foo.xlsx
?????文件????????9405??2020-02-15?20:21??04-Python語言入門\numpy_basic.ipynb
?????文件??????100183??2020-02-15?19:47??04-Python語言入門\pandas_basic.ipynb
?????文件?????1255483??2020-02-15?19:27??04-Python語言入門\python3.5_basic.ipynb
?????文件?????????280??2020-02-15?19:55??04-Python語言入門\txt_data.txt
?????目錄???????????0??2020-02-02?20:45??05-傳統機器學習初步\
?????目錄???????????0??2020-01-31?13:15??05-傳統機器學習初步\.ipynb_checkpoints\
?????文件?????1271014??2020-01-31?13:42??05-傳統機器學習初步\.ipynb_checkpoints\Apriori_Association_Rule_Mining-checkpoint.ipynb
?????文件?????1271014??2020-01-31?13:42??05-傳統機器學習初步\Apriori_Association_Rule_Mining.ipynb
?????文件????????1708??2020-01-14?17:29??05-傳統機器學習初步\SVR.py
?????文件???????38171??2020-01-14?19:08??05-傳統機器學習初步\boston.csv
?????文件????????1124??2020-01-13?18:58??05-傳統機器學習初步\decition_tree.py
?????文件?????????996??2020-01-14?17:00??05-傳統機器學習初步\k-means.py
?????文件????????2301??2020-01-14?19:21??05-傳統機器學習初步\linear_regression.py
?????目錄???????????0??2020-02-02?20:57??05-傳統機器學習初步\multi-variate_linear_regression\
?????目錄???????????0??2020-02-02?20:51??05-傳統機器學習初步\multi-variate_linear_regression\.ipynb_checkpoints\
?????文件????????4276??2020-02-02?20:57??05-傳統機器學習初步\multi-variate_linear_regression\.ipynb_checkpoints\multi-variate_linear_regression-checkpoint.ipynb
?????文件?????????165??2020-02-02?20:49??05-傳統機器學習初步\multi-variate_linear_regression\BloodPressure.csv
?????文件????????4276??2020-02-02?20:57??05-傳統機器學習初步\multi-variate_linear_regression\multi-variate_linear_regression.ipynb
?????文件?????????177??2020-02-02?20:47??05-傳統機器學習初步\multi-variate_linear_regression\readme.txt
?????文件??????302908??2020-01-31?13:00??05-傳統機器學習初步\store_data.csv
?????文件???????39822??2020-01-31?11:24??05-傳統機器學習初步\tree.png
?????文件???????73123??2020-01-13?19:57??05-傳統機器學習初步\xclara.csv
............此處省略158個文件信息