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Commit 7fa174b

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craigsdennis
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Adds reflection notes about data types
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‎Introduction to NumPy.ipynb

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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## About data types\n"
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"## About data types\n",
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"* By choosing the proper [data type](https://docs.scipy.org/doc/numpy-1.14.0/user/basics.types.html) you can greatly reduce the size required to store objects\n",
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"* Data types are maintained by wrapping values in a [scalar representation](https://docs.scipy.org/doc/numpy-1.14.0/reference/arrays.scalars.html)\n",
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"* `np.zeros` is a handy way to create an empty array filled with zeros."
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{

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