{"cells": [{"cell_type": "markdown", "metadata": {}, "source": ["# 2A.i - Huge datasets, datasets hi\u00e9rarchiques\n", "\n", "L'exemple [Building a huge numpy array using pytables](http://stackoverflow.com/questions/8642626/building-a-huge-numpy-array-using-pytables) montre cr\u00e9er une grande matrice qui ne tient pourtant pas en m\u00e9moire. Il existe des modules qui permet de faire des calcul \u00e0 partir de donn\u00e9es stock\u00e9es sur disque comme si elles \u00e9taient en m\u00e9moire."]}, {"cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [{"data": {"text/html": ["
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