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Compare sample efficiency
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"id": "b2f95d28", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"import numpy as np\n", | |
"import pandas as pd" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"id": "60e5cda8", | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"s = pd.Series(np.random.randn(100000))" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"id": "b5d1ab2e", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"1.53 ms ± 26.5 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)\n" | |
] | |
} | |
], | |
"source": [ | |
"%%timeit\n", | |
"np.random.choice(s, 1000, replace=False)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 10, | |
"id": "f9683c24", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"1.54 ms ± 20.3 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)\n" | |
] | |
} | |
], | |
"source": [ | |
"%%timeit\n", | |
"s.sample(1000).values" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 11, | |
"id": "7fd08ce7", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"6.46 µs ± 115 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)\n" | |
] | |
} | |
], | |
"source": [ | |
"%%timeit\n", | |
"np.random.choice(s)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 12, | |
"id": "73df188a", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"1.52 ms ± 13.9 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)\n" | |
] | |
} | |
], | |
"source": [ | |
"%%timeit\n", | |
"s.sample(1).item" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"id": "50577784", | |
"metadata": {}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 3", | |
"language": "python", | |
"name": "python3" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.8.8" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 5 | |
} |
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