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Convert boolean features to float in training data #416

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Convert boolean features to float in training data #416

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91 changes: 87 additions & 4 deletions intro-neural-networks/student-admissions/StudentAdmissions.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -20,9 +20,90 @@
},
{
"cell_type": "code",
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"execution_count": 1,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>admit</th>\n",
" <th>gre</th>\n",
" <th>gpa</th>\n",
" <th>rank</th>\n",
" </tr>\n",
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" <td>3.61</td>\n",
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"text/plain": [
" admit gre gpa rank\n",
"0 0 380 3.61 3\n",
"1 1 660 3.67 3\n",
"2 1 800 4.00 1\n",
"3 1 640 3.19 4\n",
"4 0 520 2.93 4"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Importing pandas and numpy\n",
"import pandas as pd\n",
Expand Down Expand Up @@ -184,11 +265,12 @@
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"## Splitting the data into features and targets (labels)\n",
"Now, as a final step before the training, we'll split the data into features (X) and targets (y)."
"Now, as a final step before the training, we'll split the data into features (X) and targets (y). We must also convert the boolean true and falses from the one hot encoded ranks to numbers by representing them as a float."
]
},
{
Expand All @@ -201,6 +283,7 @@
"targets = train_data['admit']\n",
"features_test = test_data.drop('admit', axis=1)\n",
"targets_test = test_data['admit']\n",
"features = features.astype(float)\n",
"\n",
"print(features[:10])\n",
"print(targets[:10])"
Expand Down Expand Up @@ -354,7 +437,7 @@
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"nbconvert_exporter": "python",
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"version": "3.8.0"
"version": "3.10.11"
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"nbformat": 4,
Expand Down