[scikit-learn] Can I install Python ML library such as XGBoost without pip?

[C W]

Thanks David. Those discussion boards are indeed very helpful.

Thanks for providing the lead.

Best,

Mike

On Mon, Apr 5, 2021 at 12:06 PM David Nicholson <nicholdav at gmail.com> wrote:

> You might find more people that can help with other libraries such as
> XGBoost and conda on stack overflow, a list dedicated to those tools, or
> their github repositories.
> https://discuss.xgboost.ai/
> https://groups.google.com/a/continuum.io/g/conda
>
> David Nicholson, Ph.D.
> https://nicholdav.info/
> https://github.com/NickleDave
> Prinz lab <http://www.biology.emory.edu/research/Prinz/>, Emory
> University, Atlanta, GA, USA
>
>
> On Mon, Apr 5, 2021 at 11:28 AM C W <tmrsg11 at gmail.com> wrote:
>
>> Update:
>>
>> It seems I've already installed XGBoost before. But, I get the following
>> error:
>>
>> >>> import xgboost
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>>   File
>> "/Users/mike/opt/miniconda3/lib/python3.8/site-packages/xgboost/__init__.py",
>> line 9, in <module>
>>     from .core import DMatrix, DeviceQuantileDMatrix, Booster
>>   File
>> "/Users/mike/opt/miniconda3/lib/python3.8/site-packages/xgboost/core.py",
>> line 174, in <module>
>>     _LIB = _load_lib()
>>   File
>> "/Users/mike/opt/miniconda3/lib/python3.8/site-packages/xgboost/core.py",
>> line 157, in _load_lib
>>     raise XGBoostError(
>> xgboost.core.XGBoostError: XGBoost Library (libxgboost.dylib) could not
>> be loaded.
>> Likely causes:
>>   * OpenMP runtime is not installed (vcomp140.dll or libgomp-1.dll for
>> Windows, libomp.dylib for Mac OSX, libgomp.so for Linux and other UNIX-like
>> OSes). Mac OSX users: Run `brew install libomp` to install OpenMP runtime.
>>   * You are running 32-bit Python on a 64-bit OS
>> Error message(s):
>> ['dlopen(/Users/mike/opt/miniconda3/lib/python3.8/site-packages/xgboost/lib/libxgboost.dylib,
>> 6): Library not loaded: /usr/local/opt/libomp/lib/libomp.dylib\n
>>  Referenced from:
>> /Users/mike/opt/miniconda3/lib/python3.8/site-packages/xgboost/lib/libxgboost.dylib\n
>>  Reason: image not found']
>>
>> It seems OpenMP runtime the one I am missing. I can install by running
>> > brew install libomp
>>
>> But, I don't have brew on this computer. Any work around?
>>
>> Thanks!
>>
>> On Mon, Apr 5, 2021 at 10:54 AM C W <tmrsg11 at gmail.com> wrote:
>>
>>> Hello again,
>>>
>>> I have 3 follow-up questions.
>>>
>>> 1) Upon searching, Anaconda website (
>>> https://anaconda.org/anaconda/py-xgboost) says that you can install
>>> with,
>>> > conda install -c anaconda py-xgboost
>>> I have miniconda, not anaconda, I guess I just replace it anaconda with
>>> minconda?
>>>
>>> 2) Using pip3 command,
>>> > pip3 install xgboost
>>> I don't have pip.
>>>
>>> 3) From XGBoost website, I now see that you can build XGBoost from
>>> source (https://xgboost.readthedocs.io/en/latest/build.html)
>>>
>>> Question: will all the 3 methods install XGBoost in the same folder?
>>>
>>> Thanks a lot!
>>>
>>> On Mon, Apr 5, 2021 at 10:35 AM C W <tmrsg11 at gmail.com> wrote:
>>>
>>>> Hello all,
>>>>
>>>> I can't install pip on this computer. It has conda installed (probably
>>>> not helpful). Is there a work around to install XGBoost and packages?
>>>>
>>>> I remember reading on stackoverflow, there were some simple commands to
>>>> do it. I actually used it to install packages without pip.
>>>>
>>>> I can't find the post anymore, could anyone help?
>>>>
>>>> Thanks so much!
>>>>
>>>> Mike
>>>>
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