Machine Learning のための Python の導入メモ。

memo

2017-10-22

imac2 で jupyter notebook 起動し、notebook から Terminal を起動する場合、Safari だとキー入力が効かない。 ペーストするとコマンド入力できるが非常に不便である。 FireFox や Chrome では問題なくキー入力できる。

links

Python

• pyenv および virtualenv の使い方
  • https://www.qoosky.io/techs/0cf33bd9ac
• データサイエンティストを目指す人のpython環境構築 2016
  • http://qiita.com/y__sama/items/5b62d31cb7e6ed50f02c
• MacでJupyter Notebookを使ってみる
  • http://qiita.com/damyarou/items/b4ed515eacf45d778183

Jupyter

• Jupyter (iPython) Notebookを使って技術ノート環境を構築する方法
  • http://myenigma.hatenablog.com/entry/2016/02/20/183423
• Jupyter事始め
  • http://qiita.com/taka4sato/items/2c3397ff34c440044978

• extensionを追加してもっと快適なJupyter環境を構築する

  • http://qiita.com/sasaki77/items/30a19d2be7d94116b237

• Jupyter notebook extensions

  • https://github.com/ipython-contrib/IPython-notebook-extensions

start

• start jupyter

cd ~/local/deeplarning/conda3
jupyter notebook

• open http://imac2.branch.saitos:8888/
  • enter password

install

• imac2
  • pyenv – ~/local/mysystemtype/pyenv
  • conda – ~/local/deeplarning/conda3

pyenv and pyenv-virtualenv

git clone https://github.com/yyuu/pyenv.git ~/local/`mysystemtype`/pyenv
git clone https://github.com/yyuu/pyenv-virtualenv.git ~/local/`mysystemtype`/pyenv/plugins/pyenv-virtualenv

# edit ~/.bash_profile
if [ -d $lbase/pyenv ]; then
    export PYENV_ROOT=$lbase/pyenv
    PATH=$lbase/pyenv/bin:$PATH
    eval "$(pyenv init -)"
    if [ -d $lbase/pyenv/plugins/pyenv-virtualenv ]; then
        eval "$(pyenv virtualenv-init -)"
    fi
fi

anaconda

$ pyenv install anaconda3-4.4.0
Downloading Anaconda3-4.4.0-MacOSX-x86_64.sh...
-> https://repo.continuum.io/archive/Anaconda3-4.4.0-MacOSX-x86_64.sh
Installing Anaconda3-4.4.0-MacOSX-x86_64...
Installed Anaconda3-4.4.0-MacOSX-x86_64 to /Users/makoto/local/macosx-10.12-x86_64/pyenv/versions/anaconda3-4.4.0

cd ~/local/deeplarning/conda3
pyenv local anaconda3-4.4.0

Jupyter extension

• https://github.com/ipython-contrib/jupyter_contrib_nbextensions

cd ~/local/deeplarning/conda3
conda install -c conda-forge jupyter_contrib_nbextensions

• vim-binding

うまく動作しないので disable にした。2017/07/16

cd ~/local/deeplarning/conda3
# ls -al $PYENV_ROOT/versions/$(pyenv version-name)/share/jupyter/nbextensions
DSTDIR="$PYENV_ROOT/versions/$(pyenv version-name)/share/jupyter/nbextensions/usability"
if [ -d $DSTDIR ]; then mkdir -p $DSTDIR; fi
git clone https://github.com/lambdalisue/jupyter-vim-binding.git $DSTDIR/vim_binding
chmod -R go-w $DSTDIR/vim_binding

• enabled
  • Table of Contents (2)
  • Drag and Drop

R with conda

https://conda.io/docs/r-with-conda.html

cd ~/local/deeplarning/conda3
conda install r-essentials

Octave for Jupyter

• OctaveをJupyter notebookで使う
  • http://qiita.com/MarchAce/items/2af0373a650f08a491ce

cd ~/local/deeplarning/conda3
conda install octave_kernel

ダメ
(anaconda3-4.4.0) [makoto@imac2 conda3]$ conda -V
conda 4.3.22
(anaconda3-4.4.0) [makoto@imac2 conda3]$ conda install octave_kernel
Fetching package metadata .........

PackageNotFoundError: Package missing in current osx-64 channels: 
  - octave_kernel

• Jupyter に octave_kernel をインストール【追記あり】
  • http://qiita.com/antimon2/items/02e1471ce1dedf635a9c

# from Jyputer terminal
pip install octave_kernel
python -m octave_kernel.install

w = 10 + sqrt(10) * (randn(1, 10000));
hist(w)

TeX

http://tug.org/mactex/

usage

pyenv

• pyenv install -l
• pyenv install VERSION
• pyenv versions
• pyenv local VERSION

conda