ImportError: No module named learn.base

Question

ImportError: No module named learn.base

JayForest opened this issue 9 years ago · comments

hi,I start to learn to study the crab using python ,but I come across some problems, my example's code is

author = 'Cookie'
from scikits.crab import datasets
movies = datasets.load_sample_movies()
songs = datasets.load_sample_songs()

print(movies.data)

print(songs)
from scikits.crab.models import MatrixPreferenceDataModel
#Build the model
model = MatrixPreferenceDataModel(movies.data)
from scikits.crab.metrics import pearson_correlation
from scikits.crab.similarities import UserSimilarity

Build the similarity

similarity = UserSimilarity(model, pearson_correlation)

from scikits.crab.recommenders.knn import UserBasedRecommender

problems:
Traceback (most recent call last):
File "D:/Rail/jx/Python/project1/Crab.py", line 16, in
from scikits.crab.recommenders.knn import UserBasedRecommender
File "D:\Program Files (x86)\Python27\lib\site-packages\scikits\crab\recommenders\knn__init__.py", line 1, in
from .classes import ItemBasedRecommender, UserBasedRecommender
File "D:\Program Files (x86)\Python27\lib\site-packages\scikits\crab\recommenders\knn\classes.py", line 17, in
from base import ItemRecommender, UserRecommender
File "D:\Program Files (x86)\Python27\lib\site-packages\scikits\crab\recommenders\knn\base.py", line 17, in
from ..base import MemoryBasedRecommender
File "D:\Program Files (x86)\Python27\lib\site-packages\scikits\crab\recommenders\base.py", line 17, in
from ..base import BaseRecommender
File "D:\Program Files (x86)\Python27\lib\site-packages\scikits\crab\base.py", line 11, in
from scikits.learn.base import BaseEstimator
ImportError: No module named learn.base

I had installed the packages:Python 2.7.9, numpy-MKL-1.8.0.win-amd64-py2.7,scipy-0.15.1-cp27-none-win_amd64,matplotlib-1.4.3.win-amd64-py2.7,scikit-learn-0.16.1.win-amd64-py2.7,thank you very much.

Joanna Misztal-Radecka · Answer 1 · Sun Apr 19 2015 18:40:31 GMT+0800 (China Standard Time)

I had the same problem, but I fixed it after installing scikits-learn on Ubuntu according to instructions from http://scikit-learn.org/stable/install.html, I had to change the import from:

from scikits.learn.base import BaseEstimator

to:

from sklearn.base import BaseEstimator

Prabhakar Sarma Neog · Answer 2 · Tue Sep 01 2015 12:51:10 GMT+0800 (China Standard Time)

I am facing the same problem on windows. Somebody help me please.

suo.lawrence.liu@gmail.com · Answer 3 · Wed Sep 02 2015 22:59:50 GMT+0800 (China Standard Time)

@IIUJ-JoannaMisztal is right about this. This project is toooooo old, back then scikit-learn was called scikits.learn. So you need to update the code and recompile it yourself.

Prabhakar Sarma Neog · Answer 4 · Wed Sep 02 2015 23:03:51 GMT+0800 (China Standard Time)

I have installed the canopy python distribution and the program started working!

huihuangzhang · Answer 5 · Fri Sep 11 2015 16:24:17 GMT+0800 (China Standard Time)

According to Installing Crab, you should install scikits.learn. However, from scikit-learn_doc

Warning As of version 0.9 (released in September 2011), the import path for scikit-learn has changed from scikits.learn to sklearn

so maybe the author should update the source code!

Gizem Ece Yılmaz · Answer 6 · Tue Mar 15 2016 00:06:37 GMT+0800 (China Standard Time)

Hello,
I tried all the things you listed but i am still getting error while i am importing "from crab.recommenders.knn import UserBasedRecommender". And 3 months ago i correct it as " from scikits.crab.recommenders.knn.classes import UserBasedRecommender" and it worked but now it does not work? Does anyone have problems with it currently and know how to fix it?

Mateusz · Answer 7 · Sat Mar 19 2016 22:30:42 GMT+0800 (China Standard Time)

So... anyone has an experience what i really needs to refactor for newest version of scikits to work properly? Or i should use the old one? I know project is old, but my tutor adviced it for my, to do simply recomendation system module and now it is not funny -.-

imqianyi · Answer 8 · Tue Mar 29 2016 22:58:35 GMT+0800 (China Standard Time)

install pip install -U scikit-learn.
fix the code scikits.learn.base to sklearn.base

rmf770609 · Answer 9 · Fri May 20 2016 09:31:19 GMT+0800 (China Standard Time)

Hi, I’ve changed “scikits.learn.base” to “sklearn.base” both
@ scikits/crab/base.py
@ scikits/crab/metrics/classes.py

And I still got problem with
“from scikits.crab.recommenders.knn import UserBasedRecommender”
by ImportError: No module named base

Is there anything I did wrong?

DerekAI · Answer 10 · Tue May 24 2016 16:50:35 GMT+0800 (China Standard Time)

I have made following change in the source code:

#from scikits.learn.base import BaseEstimator
from sklearn.base import BaseEstimator

then reinstall crab using the following command in crab directory

python setup.py install

Now, it seems to be more health.

Yuzhong Liu · Answer 11 · Thu Jun 09 2016 09:41:20 GMT+0800 (China Standard Time)

I find it can clone the source code and install by source code. It will be ok.

Bernard Antwi Adabankah · Answer 12 · Sun Aug 21 2016 20:19:03 GMT+0800 (China Standard Time)

This did the trick for me:
http://datapandas.com/index.php/2016/08/21/importerror-no-module-named-learn-base-crab-python-fix/