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cas-pml/SL/aufgaben/template/2_Code/1.1 Feature Engineering - Einfuehrung.ipynb
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2026-05-21 14:16:30 +02:00

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"**nicht als Notebook verteilen**"
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"# Feature Engineering\n",
"\n",
"## Feature Engineering - Einführung\n",
"\n",
"### Abgrenzungen\n",
"\n",
"### CRISP - und die Gliederung des Kurses\n",
"\n",
"### Strukturierte Daten\n",
"\n",
"#### Aufbau und Organisation eines Data Frame"
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" age job marital duration campaign y\n",
"0 30.0 self-employed single 245.0 3 yes\n",
"1 32.0 technician married 370.0 1 no\n",
"2 27.0 blue collar single 623.0 1 yes\n",
"3 NaN blue collar single 9.0 6 no\n",
"4 27.0 admin. single 126.0 2 yes\n",
"5 34.0 admin. single 548.0 2 yes\n",
"6 46.0 None married 86.0 2 no\n",
"7 NaN retired married 707.0 3 yes\n",
"8 46.0 admin. married 96.0 6 no\n",
"9 48.0 blue collar married 241.0 2 no\n",
"10 29.0 technician married 154.0 3 no\n"
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"source": [
"import pandas as pd\n",
"data = pd.read_csv('../3_data/bank_data.csv', sep=';')\n",
"#print(data.iloc[0:11, 0:6])\n",
"\n",
"## arbitrarily input\n",
"data.iloc[3, 0] = None\n",
"data.iloc[6, 1] = None\n",
"#print(data.iloc[0:11, 0:6])\n",
"print(data.iloc[0:11, [0,1,2,10,11,20]])"
]
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{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Begriffe"
]
},
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"cell_type": "markdown",
"metadata": {},
"source": [
"### Beispieldaten"
]
},
{
"cell_type": "raw",
"metadata": {},
"source": [
"import pandas as pd\n",
"demo_data_class = pd.read_csv('../3_data/demo_data_class.csv')\n",
"demo_data_regr = pd.read_csv('../3_data/demo_data_regr.csv') "
]
},
{
"cell_type": "raw",
"metadata": {},
"source": [
"import seaborn as sns\n",
"iris_data = sns.load_dataset('iris')"
]
},
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"cell_type": "markdown",
"metadata": {
"jp-MarkdownHeadingCollapsed": true
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"source": [
"### Anforderungen an die Daten für Machine Learning"
]
},
{
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"metadata": {},
"source": [
"### Eine typische ML Sequenz"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Python Libraries"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Feature Engineering"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Die Python Libraries und CRISP-DM"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Begleitende Literatur"
]
}
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