Created
April 23, 2020 23:23
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{ | |
"cells": [ | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"**IMPLEMENTING PCA**\n", | |
"\n", | |
"We will compare two implementations of PCA, one with 95% of the components retained and another version with a specified number of 10 components" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 269, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"pca = PCA(0.95)\n", | |
"\n", | |
"pca_transformed = pca.fit_transform(scaled_x)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 376, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"pca2 = PCA(10)\n", | |
"\n", | |
"pca_transformed2 = pca2.fit_transform(scaled_x)" | |
] | |
} | |
], | |
"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": "3.7.4" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 2 | |
} |
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