01-using-colab.ipynb

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        "<a href=\"https://colab.research.google.com/github/angusroberts/asmhi-python/blob/master/01_using_colab.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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      "source": [
        "# 7PAVITPR: Introduction to Statistical Programming\n",
        "# Python practical 1\n",
        "\n",
        "_Angus Roberts<br/>\n",
        "Department of Biostatistics and Health Informatics<br/>\n",
        "Institute of Psychiatry, Psychology and Neuroscience<br/>\n",
        "King's College London<br/>_\n",
        "\n",
        "# Using Colab notebooks\n",
        "\n",
        "- This is a colab notebook\n",
        "- A notebook is made up of cells in series\n",
        "- This is the first cell\n",
        "- Cells can be:\n",
        "    - written in a text formatting language, called markdown, like this one\n",
        "    - Or Python code, like the next one\n",
        "- You move between cells with the arrow keys\n",
        "- Move to the next cell, and read what it says\n",
        "\n"
      ]
    },
    {
      "cell_type": "code",
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        "# These hashed lines are Python comments.\n",
        "# Below them is a single line of simple Python code.\n",
        "#\n",
        "# You can run the code and move to the next cell by:\n",
        "#     - pressing shift+enter (cmd+enter on a mac)\n",
        "# You can run the code and stay on this cell by:\n",
        "#     - clicking the run icon to the left\n",
        "#     - pressing ctrl+enter\n",
        "#\n",
        "# There are also various options in the Runtime menu to run cells\n",
        "#\n",
        "# When you run the code, output will appear below the cell\n",
        "# Run the code now, look at the output, and then move to the next cell\n",
        "\n",
        "\n",
        "2+2"
      ],
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      "outputs": []
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    {
      "cell_type": "markdown",
      "metadata": {
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      "source": [
        " ## Markdown\n",
        " \n",
        " - This is another markdown cell.\n",
        " - If you double click it, you can edit the markdown\n",
        " - Press shift+enter when you have finished editing\n",
        " - Or use the button on the cell toolbar to the upper right\n",
        " \n",
        " ___Double click the cell now, to see how you write markdown___\n",
        " \n",
        " \n",
        " # A big heading\n",
        " ## Level two heading\n",
        " ### A bit smaller\n",
        " #### etc\n",
        "\n",
        "- square bullet lists\n",
        "- are written\n",
        "- line this\n",
        "\n",
        "* and round ones\n",
        "* are like this\n",
        "  - indentation\n",
        "  - is like this\n",
        "  \n",
        "  \n",
        "1. numbered lists\n",
        "1. are like this\n",
        "1. and so on\n",
        "  1. and can also\n",
        "  1. be indented\n",
        "  \n",
        "  \n",
        "_one underscore on each side of some text mean italics_\n",
        "__two means bold__\n",
        "___and three means bold+italic___\n",
        "\n",
        "\n",
        "`back ticks are used for monospaced text (such as computer code)`\n",
        "\n",
        "[and url links are like this](https://www.kcl.ac.uk)\n",
        "\n",
        "For a full list of markdown commands, see [this page](https://colab.research.google.com/notebooks/markdown_guide.ipynb)\n",
        "\n",
        "__Now press shift+enter to finish looking at the raw markdown, and move to the next cell__\n",
        "\n",
        "\n"
      ]
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      "cell_type": "markdown",
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      "source": [
        "## Your turn\n",
        "\n",
        "This is also a markdown cell. Double click and try writing some markdown.\n",
        "\n",
        "When you have done, move to the next cell."
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
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      "source": [
        "# This is another code cell.\n",
        "# Write some Python code, and execute it.\n",
        "# When you have done, move to the next cell\n",
        "#\n",
        "# If you don't  think you know any Python, try some arithmetic\n",
        "\n"
      ],
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        "## Clearing Python output\n",
        "\n",
        "- There are options under the _Edit_ menu to clear the output of Python cells, and in the cell toolbar to top right of the cell\n",
        "- Move back to the previous cell, clear the output, and run again\n",
        "- Then move to the next cell"
      ]
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        "## Adding cells\n",
        "\n",
        "- You can add your own cells\n",
        "- One way:\n",
        "    - use the __+ Code__ or __+ Text__ on the toolbar\n",
        "- Another way:\n",
        "    - Via the __Insert__ menu\n",
        "- Another way:\n",
        "    - via the __Command pallete__ in the __Tools__ menu\n",
        "- There are also commands to move cells up and down\n",
        "  - on the cell toolbar\n",
        "  - in the __Command palette__ under the __Tools__ menu\n",
        "- To cut and paste cells, you can use the menus, toolbars command palette\n",
        "- Lots of commands in the command palette have keyboard shortcuts\n",
        "  \n",
        "__Spend some time adding, deleting, and moving cells__\n",
        "\n",
        "__When you have done, move to the cell below titled \"More on notebooks\"__"
      ]
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        "## More on notebooks\n",
        "\n",
        "Some things to bear in mind:\n",
        "\n",
        "#### Runtime and running code\n",
        "\n",
        "- Python code is run in a self-contained runtime\n",
        "- When you write and run Python code in one notebook, any changes you make e.g. creating and changing variables, are available to other Python cells in the same runtime / notebook\n",
        "- If you open more than one notebook, they will run in separate sessions\n",
        "- You can stop the runtime, restart it etc if your code runs away with itself - see the toolbars and menu\n",
        "- You can terminate notebook sessions - see the down arrow next to __RAM__ and __Disk__ on the toolbar\n",
        "\n",
        "\n",
        "#### Opening and saving files\n",
        "\n",
        "- See the __File__ menu\n",
        "- You can save particular revisions\n",
        "- and save copies to Google Drive\n",
        "- You can revert to old checkpoints - see the File menu\n",
        "\n",
        "\n",
        "\n",
        "\n"
      ]
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        "## Getting help\n",
        "\n",
        "- Use te help menu :)\n",
        "- Especially see _Command palette_ and _keyboard shortcuts_ under the help menu\n",
        "\n",
        "# To find out more, Explore!"
      ]
    },
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