notebooks

1 Installing Nilearn.ipynb

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+{
+ "cells": [
+  {
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+   "metadata": {},
+   "source": [
+    "# General introduction\n",
+    "\n",
+    "## What can we do with Nilearn ?\n",
+    "\n",
+    "- Decoding and MultiVariate Pattern Analysis (MVPA)\n",
+    "- Functional connectivity analysis\n",
+    "- Extracting resting state networks (ICA, Dictionary Learning, ...)\n",
+    "- Plotting brain images\n",
+    "- Manipulating brain volumes\n",
+    "- Downloading (open) datasets: atlases, cohorts ...\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Installing Nilearn\n",
+    "\n",
+    "##  1. Install dependencies\n",
+    "\n",
+    "It is recommended to install a complete scientific Python distribution like [**64-bit Anaconda**](https://store.continuum.io/cshop/anaconda/)\n",
+    "\n",
+    "## 2. In a Terminal/Command prompt, install Nilearn\n",
+    "\n",
+    "- Open Terminal/Command prompt\n",
+    "\n",
+    "- **`pip install -U --user nilearn`**\n",
+    "\n",
+    "## 3. Open IPython\n",
+    "\n",
+    "- In Terminal/Command prompt:\n",
+    "\n",
+    "- **`ipython`**\n",
+    "\n",
+    "- in IPython:\n",
+    "\n",
+    "- *In [1]:* **`import nilearn`**"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Setting the dataset folder\n",
+    "\n",
+    "**nilearn_data**: Where is the downloaded data stored?\n",
+    "\n",
+    "The fetching functions download the reference datasets to the disk. They save it **locally for future use**, in one of the following directories (in order of priority, if present):\n",
+    "\n",
+    "-        the folder specified by **`data_dir` parameter** in the fetching function\n",
+    "-        the global environment variable **`NILEARN_SHARED_DATA`**\n",
+    "-        the user environment variable **`NILEARN_DATA`**\n",
+    "-        the **`nilearn_data`** folder in the **user home** folder\n",
+    "\n",
+    "The two different environment variables (NILEARN_SHARED_DATA and NILEARN_DATA) are provided for multi-user systems, to distinguish a global dataset repository that may be read-only at the user-level. \n",
+    "\n",
+    "You can copy that folder to another user’s computers to avoid the initial dataset download on the first fetching call.\n",
+    "\n",
+    "You can check in which directory nilearn will store the data with the function **`nilearn.datasets.get_data_dirs`**.\n"
+   ]
+  }
+ ],
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