ModuleNotFoundError No module named sklearn

Question

I want to import sklearn but there is no module apparently   ModuleNotFoundError  No module named  sklearn    I am using Anaconda and Python 3 6 1  I have checked everywhere but still can t find answers   When I use the command  conda install scikit-learn should this not just work   Where does anaconda install the package   I was checking the frameworks in my python library and there was nothing about sklearn only numpy and scipy   Please help  I am new to using python packages especially via anaconda

User · Answer

This happened to me  I tried all the possible solutions with no luck   Finaly I realized that the problem was with Jupyter notebook environment  not with sklearn   I solved the problem by re-installing Jupyter at the same environment as sklearn  the command is  conda install -c anaconda ipython  Done

User · Answer

I did the following  import sys   sys executable  -m pip install sklearn

User · Answer

install these    gt  gt  pip install -U scikit-learn scipy matplotlib if still getting the same error then   make sure that your imoprted statment should be correct  i made the mistike while writing ensemble so   check spelling  its should be  gt  gt  gt  from sklearn ensemble import RandomForestClassifier

User · Answer

Cause  Conda and pip install scikit-learn under   anaconda3 envs  ENV lib python3 7 site-packages  however Jupyter notebook looks for the package under   anaconda3 lib python3 7 site-packages   Therefore  even when the environment is specified to conda  it does not work   conda install -n  ENV scikit-learn   Does not work   Solution  pip 3 install the package under   anaconda3 lib python3 7 site-packages   Verify  After pip3  in a Jupyter notebook   import sklearn sklearn   file          anaconda3 lib python3 7 site-packages sklearn init py

User · Answer

I had the same issue as the author  and ran into the issue with and without Anaconda and regardless of Python version  Everyone s environment is different  but after resolving it for myself I think that in some cases it may be due to having multiple version of Python installed  Each installed Python version has its own  Lib site-packages  folder which can contain a unique set of modules for that Python version  and where the IDE looks into folder path that doesn t have scikit-learn in it  One way to try solve the issue  you might clear your system of all other Python versions and their cached temp files system variables  and then only have one version of Python installed anywhere  Then install the dependencies Numpy and Scipy  and finally Scikit-learn  More detailed steps   Uninstall all Python versions and their launchers  e g  from Control Panel in Windows  except the one version you want to keep  Delete any old Python version folders in the Python directory --uninstalling doesn t remove all files  Remove other Python versions from your OS  Environment Variables  both under the system and user variables sections  Clear temporary files  For example  for Windows  delete all AppData Temp cache files  in C  Users YourUserName AppData Local Temp   In addition  you could also do a Windows disk cleanup for other temporary files  and then reboot  If your IDE supports it  create a new virtual environment in Settings  then set your only installed Python version as the interpreter  In your IDE  install the dependencies Scipy and Numpy from the module list first  then install Scikit-Learn   As some others have suggested  the key is making sure your environment is set up correctly where everything points to the correct library folder on your computer where the Sklearn package is located  There are a few ways this can be resolved  My approach was more drastic  but it turns out that I had a very messy Python setup on my system so I had to start fresh

User · Answer

If you are using Ubuntu 18 04 or higher with python3 xxx then try this command     sudo apt install python3-sklearn    then try your command  hope it will work

User · Answer

Brief Introduction  When using Anaconda  one needs to be aware of the environment that one is working  Then  in Anaconda Prompt  base  one needs to use the following code  conda  command -n  ENVIRONMENT NAME  IDE package module   command - Command that I intend to use  consult documentation for general commands   ENVIRONMENT NAME - The name of your environment  if one is working in the root  conda  command  IDE package module is enough   IDE package module - The name of the IDE or package or module  Solution  If one wants to install it in the root and one follows the requirements -  Python   gt   2 7 or  gt   3 4   NumPy   gt   1 8 2   SciPy   gt   0 13 3    - the following will solve the problem  conda install scikit-learn  Let s say that one is working in the environment with the name ML  Then the following will solve one s problem  conda install -n ML scikit-learn  Note  If one needs to install update packages  the logic is the same as mentioned in the introduction  If you need more information on Anaconda Packages  check the documentation   If the above doesn t work  on Anaconda Prompt one can also use pip  here s how to pip install scikit-learn   so the following may help pip install scikit-learn

User · Answer

I ve tried a lot of things but finally  including uninstall with the automated tools  So  I ve uninstalled manually scikit-learn   sudo rm -R  home ubuntu  local lib python3 6 site-packages sklearn sudo rm -R  home ubuntu  local lib python3 6 site-packages scikit learn-0 20 0-py3 6 egg-info   And re-install using pip  sudo pip3 6 install -U scikit-learn   Hope that can help someone else

User · Answer

SOLVED  The above did not help  Then I simply installed sklearn from within Jypyter-lab  even though sklearn 0 0 shows in  pip list    pip install sklearn import sklearn  What I learned later is that pip installs  in my case  packages in a different folder than Jupyter  This can be seen by executing  import sys print sys path   Once from within Jupyter lab notebook  and once from the command line using  py notebook py   In my case Jupyter list of paths where subfolders of  anaconda  whereas Python list where subfolders of c  users username

User · Answer

The other name of sklearn in anaconda is scikit-learn  simply open your anaconda navigator  go to the environments  select your environment  for example tensorflow or whatever you want to work with  search for scikit learn in the list of uninstalled packages  apply it and then you can import sklearn in your jupyter

User · Answer

You can just use pip for installing packages  even when you are using anaconda   pip install -U scikit-learn scipy matplotlib   This should work for installing the package   And for Python 3 x just use pip3   pip3 install -U scikit-learn scipy matplotlib

[python] ModuleNotFoundError: No module named 'sklearn'

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