Practice_Google_Colaboratory.ipynb

{"nbformat":4,"nbformat_minor":0,"metadata":{"colab":{"name":"Section1-2.ipynb","provenance":[],"collapsed_sections":[]},"kernelspec":{"name":"python3","display_name":"Python 3"},"accelerator":"GPU"},"cells":[{"cell_type":"markdown","metadata":{"id":"1qNaQ4g9khZ8"},"source":["# Chapter1 スタートアップ\n","## 2. 開発環境の構築について\n","### 2.2. Google Colaboratoryを使用する場合"]},{"cell_type":"markdown","metadata":{"id":"KIfdwGqJk4Ro"},"source":["# ▶ PyTorch のインストール"]},{"cell_type":"code","metadata":{"id":"oF97xMpSPhUY","executionInfo":{"status":"ok","timestamp":1603089582584,"user_tz":-540,"elapsed":17933,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"83b5e108-848b-47dc-a1ea-f2c548924365","colab":{"base_uri":"https://localhost:8080/","height":747}},"source":["# 必要なパッケージのインストール\n","!pip3 install torch==1.6.0+cu101\n","!pip3 install torchvision==0.7.0+cu101\n","!pip3 install numpy==1.18.5\n","!pip3 install matplotlib==3.2.2\n","!pip3 install scikit-learn==0.23.1\n","!pip3 install seaborn==0.11.0"],"execution_count":null,"outputs":[{"output_type":"stream","text":["Requirement already satisfied: torch==1.6.0+cu101 in /usr/local/lib/python3.6/dist-packages (1.6.0+cu101)\n","Requirement already satisfied: numpy in /usr/local/lib/python3.6/dist-packages (from torch==1.6.0+cu101) (1.18.5)\n","Requirement already satisfied: future in /usr/local/lib/python3.6/dist-packages (from torch==1.6.0+cu101) (0.16.0)\n","Requirement already satisfied: torchvision==0.7.0+cu101 in /usr/local/lib/python3.6/dist-packages (0.7.0+cu101)\n","Requirement already satisfied: pillow>=4.1.1 in /usr/local/lib/python3.6/dist-packages (from torchvision==0.7.0+cu101) (7.0.0)\n","Requirement already satisfied: torch==1.6.0 in /usr/local/lib/python3.6/dist-packages (from torchvision==0.7.0+cu101) (1.6.0+cu101)\n","Requirement already satisfied: numpy in /usr/local/lib/python3.6/dist-packages (from torchvision==0.7.0+cu101) (1.18.5)\n","Requirement already satisfied: future in /usr/local/lib/python3.6/dist-packages (from torch==1.6.0->torchvision==0.7.0+cu101) (0.16.0)\n","Requirement already satisfied: numpy==1.18.5 in /usr/local/lib/python3.6/dist-packages (1.18.5)\n","Requirement already satisfied: matplotlib==3.2.2 in /usr/local/lib/python3.6/dist-packages (3.2.2)\n","Requirement already satisfied: python-dateutil>=2.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib==3.2.2) (2.8.1)\n","Requirement already satisfied: pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib==3.2.2) (2.4.7)\n","Requirement already satisfied: kiwisolver>=1.0.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib==3.2.2) (1.2.0)\n","Requirement already satisfied: cycler>=0.10 in /usr/local/lib/python3.6/dist-packages (from matplotlib==3.2.2) (0.10.0)\n","Requirement already satisfied: numpy>=1.11 in /usr/local/lib/python3.6/dist-packages (from matplotlib==3.2.2) (1.18.5)\n","Requirement already satisfied: six>=1.5 in /usr/local/lib/python3.6/dist-packages (from python-dateutil>=2.1->matplotlib==3.2.2) (1.15.0)\n","Collecting scikit-learn==0.23.1\n","\u001b[?25l  Downloading https://files.pythonhosted.org/packages/d9/3a/eb8d7bbe28f4787d140bb9df685b7d5bf6115c0e2a969def4027144e98b6/scikit_learn-0.23.1-cp36-cp36m-manylinux1_x86_64.whl (6.8MB)\n","\u001b[K     |████████████████████████████████| 6.9MB 2.8MB/s \n","\u001b[?25hRequirement already satisfied: joblib>=0.11 in /usr/local/lib/python3.6/dist-packages (from scikit-learn==0.23.1) (0.16.0)\n","Collecting threadpoolctl>=2.0.0\n","  Downloading https://files.pythonhosted.org/packages/f7/12/ec3f2e203afa394a149911729357aa48affc59c20e2c1c8297a60f33f133/threadpoolctl-2.1.0-py3-none-any.whl\n","Requirement already satisfied: scipy>=0.19.1 in /usr/local/lib/python3.6/dist-packages (from scikit-learn==0.23.1) (1.4.1)\n","Requirement already satisfied: numpy>=1.13.3 in /usr/local/lib/python3.6/dist-packages (from scikit-learn==0.23.1) (1.18.5)\n","Installing collected packages: threadpoolctl, scikit-learn\n","  Found existing installation: scikit-learn 0.22.2.post1\n","    Uninstalling scikit-learn-0.22.2.post1:\n","      Successfully uninstalled scikit-learn-0.22.2.post1\n","Successfully installed scikit-learn-0.23.1 threadpoolctl-2.1.0\n","Requirement already satisfied: seaborn==0.11.0 in /usr/local/lib/python3.6/dist-packages (0.11.0)\n","Requirement already satisfied: pandas>=0.23 in /usr/local/lib/python3.6/dist-packages (from seaborn==0.11.0) (1.1.2)\n","Requirement already satisfied: numpy>=1.15 in /usr/local/lib/python3.6/dist-packages (from seaborn==0.11.0) (1.18.5)\n","Requirement already satisfied: scipy>=1.0 in /usr/local/lib/python3.6/dist-packages (from seaborn==0.11.0) (1.4.1)\n","Requirement already satisfied: matplotlib>=2.2 in /usr/local/lib/python3.6/dist-packages (from seaborn==0.11.0) (3.2.2)\n","Requirement already satisfied: pytz>=2017.2 in /usr/local/lib/python3.6/dist-packages (from pandas>=0.23->seaborn==0.11.0) (2018.9)\n","Requirement already satisfied: python-dateutil>=2.7.3 in /usr/local/lib/python3.6/dist-packages (from pandas>=0.23->seaborn==0.11.0) (2.8.1)\n","Requirement already satisfied: cycler>=0.10 in /usr/local/lib/python3.6/dist-packages (from matplotlib>=2.2->seaborn==0.11.0) (0.10.0)\n","Requirement already satisfied: kiwisolver>=1.0.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib>=2.2->seaborn==0.11.0) (1.2.0)\n","Requirement already satisfied: pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 in /usr/local/lib/python3.6/dist-packages (from matplotlib>=2.2->seaborn==0.11.0) (2.4.7)\n","Requirement already satisfied: six>=1.5 in /usr/local/lib/python3.6/dist-packages (from python-dateutil>=2.7.3->pandas>=0.23->seaborn==0.11.0) (1.15.0)\n"],"name":"stdout"}]},{"cell_type":"markdown","metadata":{"id":"vgnBjIGERAuj"},"source":["# ▶ Google Colaboratery の基本的な使い方"]},{"cell_type":"markdown","metadata":{"id":"Pt4cOX03RH2h"},"source":["## **シェルコマンド(Shell Command)の実行**"]},{"cell_type":"code","metadata":{"id":"iBFk0wA6Q_20","executionInfo":{"status":"ok","timestamp":1603089602761,"user_tz":-540,"elapsed":819,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"11cd03a4-5da9-42b7-fa6b-3fa6db663c9e","colab":{"base_uri":"https://localhost:8080/","height":70}},"source":["# \"hello, google colaboratory!\"とメッセージを出力\n","!echo 'hello, google colaboratory!'\n","\n","# 作業ディレクトリのパスを表示\n","!pwd\n","\n","# 作業ディレクトリ内のファイル・フォルダの一覧を取得\n","!ls"],"execution_count":null,"outputs":[{"output_type":"stream","text":["hello, google colaboratory!\n","/content\n","sample_data\n"],"name":"stdout"}]},{"cell_type":"markdown","metadata":{"id":"N8L3P3ZpRipC"},"source":["## **ファイルのアップロード**"]},{"cell_type":"code","metadata":{"id":"uifEmJF-P7MR","executionInfo":{"status":"ok","timestamp":1603089622806,"user_tz":-540,"elapsed":17706,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"bca328ef-62b7-4f99-f6ea-1053216f82d6","colab":{"resources":{"http://localhost:8080/nbextensions/google.colab/files.js":{"data":"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","ok":true,"headers":[["content-type","application/javascript"]],"status":200,"status_text":""}},"base_uri":"https://localhost:8080/","height":77}},"source":["# ファイルのアップロード\n","from google.colab import files\n","uploaded = files.upload()"],"execution_count":null,"outputs":[{"output_type":"display_data","data":{"text/html":["\n","     <input type=\"file\" id=\"files-c722cb01-d5d5-4ccc-8540-4470aea135da\" name=\"files[]\" multiple disabled\n","        style=\"border:none\" />\n","     <output id=\"result-c722cb01-d5d5-4ccc-8540-4470aea135da\">\n","      Upload widget is only available when the cell has been executed in the\n","      current browser session. Please rerun this cell to enable.\n","      </output>\n","      <script src=\"/nbextensions/google.colab/files.js\"></script> "],"text/plain":["<IPython.core.display.HTML object>"]},"metadata":{"tags":[]}},{"output_type":"stream","text":["Saving file.txt to file.txt\n"],"name":"stdout"}]},{"cell_type":"code","metadata":{"id":"m9M4iMd5QBDY","executionInfo":{"status":"ok","timestamp":1603089625669,"user_tz":-540,"elapsed":603,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"e9e26b47-19e5-48f2-f215-d717c1cd00ee","colab":{"base_uri":"https://localhost:8080/","height":34}},"source":["# 作業ディレクトリ内のファイル・フォルダの一覧を確認\n","!ls"],"execution_count":null,"outputs":[{"output_type":"stream","text":["file.txt  sample_data\n"],"name":"stdout"}]},{"cell_type":"code","metadata":{"id":"rPn26f8rSv5G","executionInfo":{"status":"ok","timestamp":1603089628823,"user_tz":-540,"elapsed":568,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"3b44f103-d72e-4a39-9381-127ac21013d4","colab":{"base_uri":"https://localhost:8080/","height":34}},"source":["# file.txtの中身を出力\n","!cat file.txt"],"execution_count":null,"outputs":[{"output_type":"stream","text":["hello, google colaboratory!"],"name":"stdout"}]},{"cell_type":"markdown","metadata":{"id":"rRVSj8tgSrgf"},"source":["## **ファイルのダウンロード**"]},{"cell_type":"code","metadata":{"id":"hYE4wocVS4fO","executionInfo":{"status":"ok","timestamp":1603089631300,"user_tz":-540,"elapsed":559,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"1d34b2f9-6579-4448-9327-7651fe493c1d","colab":{"base_uri":"https://localhost:8080/","height":70}},"source":["# sample_dataフォルダ内のファイル・フォルダの一覧を取得\n","!ls sample_data/"],"execution_count":null,"outputs":[{"output_type":"stream","text":["anscombe.json\t\t      mnist_test.csv\n","california_housing_test.csv   mnist_train_small.csv\n","california_housing_train.csv  README.md\n"],"name":"stdout"}]},{"cell_type":"markdown","metadata":{"id":"OyPvs3VHTGIo"},"source":["## **Google Driveのマウント**"]},{"cell_type":"code","metadata":{"id":"N-mBMyuUTIph","executionInfo":{"status":"ok","timestamp":1603089658349,"user_tz":-540,"elapsed":24683,"user":{"displayName":"斎藤勇哉","photoUrl":"","userId":"04901706568829922240"}},"outputId":"c7cbb2bd-be90-4cac-c1db-7974bb86b129","colab":{"base_uri":"https://localhost:8080/","height":34}},"source":["from google.colab import drive\n","drive.mount('/content/drive')"],"execution_count":null,"outputs":[{"output_type":"stream","text":["Mounted at /content/drive\n"],"name":"stdout"}]},{"cell_type":"code","metadata":{"id":"8ndGp_VATXIh"},"source":["# Google Driveがマウントできたか確認\n","!sudo apt-get install tree\n","!tree /content"],"execution_count":null,"outputs":[]}]}