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   "source": [
    "![](images/EscUpmPolit_p.gif \"UPM\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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   },
   "source": [
    "# Course Notes for Learning Intelligent Systems"
   ]
  },
  {
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   "metadata": {
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    }
   },
   "source": [
    "Department of Telematic Engineering Systems, Universidad Politécnica de Madrid, © Carlos A. Iglesias"
   ]
  },
  {
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   "metadata": {
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   },
   "source": [
    "## [Introduction to  Preprocessing](00_Intro_Preprocessing.ipynb)"
   ]
  },
  {
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   "source": [
    "# Filter Data\n",
    "\n",
    "Select the columns you want and delete the others."
   ]
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    "# Create list comprehension of the columns you want to lose\n",
    "columns_to_drop = [column_names[i] for i in [1, 3, 5]]\n",
    "# Drop unwanted columns \n",
    "df.drop(columns_to_drop, inplace=True, axis=1)"
   ]
  },
  {
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   "source": [
    "# References\n",
    "* [Cleaning and Prepping Data with Python for Data Science — Best Practices and Helpful Packages](https://medium.com/@rrfd/cleaning-and-prepping-data-with-python-for-data-science-best-practices-and-helpful-packages-af1edfbe2a3), DeFilippi, 2019, \n",
    "* [Data Preprocessing for Machine learning in Python, GeeksForGeeks](https://www.geeksforgeeks.org/data-preprocessing-machine-learning-python/)"
   ]
  },
  {
   "cell_type": "markdown",
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   },
   "source": [
    "## Licence\n",
    "The notebook is freely licensed under under the [Creative Commons Attribution Share-Alike license](https://creativecommons.org/licenses/by/2.0/).  \n",
    "\n",
    "© Carlos A. Iglesias, Universidad Politécnica de Madrid."
   ]
  }
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