Reputation:
Code is below
I am using python version 3.5
# train a random forest classifier
rf = RandomForestClassifier(n_estimators = 100, random_state = 42)
rf.fit(X_train, y_train)
# show feature importance
feature_importances_df = pd.DataFrame({"feature": features, "importance": rf.feature_importances_}).sort_values("importance", ascending = False)
feature_importances_df.head(20)
tried
feature_importances = {"feature": features, "importance": rf.feature_importances_}.sort_values("importance", ascending = False)
feature_importances_df = pd.DataFrame.from_dict(feature_importances, orient='index')
I was trying to learn sentimental analysis. got stuck with error
AttributeError: 'dict' object has no attribute 'sort_values'
Upvotes: 1
Views: 2584
Reputation: 506
I am using Python 3.6.8 and pandas 0.25.1
try this
dictionary = {"a":[2,3,1,4],"b":["a","f","g","z"]}
dataFrame = pd.DataFrame.from_dict(dictionary)
dataFrame.sort_values('a',ascending=False,inplace = True)
dataFrame.reset_index(drop=True)
This will print
a b
0 4 z
1 3 f
2 2 a
3 1 g
Hope that it helps!
Upvotes: 1