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Title: GitHub - ghing/python-data-cheatsheet: Things in Python, Pandas, GeoPandas and Jupyter that I've had to look up or weren't obvious in the documentation.

Open Graph Title: GitHub - ghing/python-data-cheatsheet: Things in Python, Pandas, GeoPandas and Jupyter that I've had to look up or weren't obvious in the documentation.

X Title: GitHub - ghing/python-data-cheatsheet: Things in Python, Pandas, GeoPandas and Jupyter that I've had to look up or weren't obvious in the documentation.

Description: Things in Python, Pandas, GeoPandas and Jupyter that I've had to look up or weren't obvious in the documentation. - ghing/python-data-cheatsheet

Open Graph Description: Things in Python, Pandas, GeoPandas and Jupyter that I've had to look up or weren't obvious in the documentation. - ghing/python-data-cheatsheet

X Description: Things in Python, Pandas, GeoPandas and Jupyter that I've had to look up or weren't obvious in the documentation. - ghing/python-data-cheatsheet

Opengraph URL: https://github.com/ghing/python-data-cheatsheet

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https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#python-data-cheatsheet
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#basic-flow-control
Basic loops and related conceptshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/looping.ipynb
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#loading-and-creating-data
Converting multiple columns to categorieshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/converting_multiple_columns_to_categories.ipynb
Creating DataFrames from lists and dictionarieshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/create_dataframes_from_lists_and_dictionaries.ipynb
Parsing date valueshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/parse_dates.ipynb
Querying a SQL database in a Jupyter notebookhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/sql_query_in_jupyter_notebook.ipynb
Loading a DataFrame into a temporary table of a SQL databasehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/sql_temporary_table.ipynb
Read shapefile from ziphttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/read_shapefile_from_zip.ipynb
From CSV to GeoDataFrame in two lineshttps://anitagraser.com/2019/01/23/from-csv-to-geodataframe-in-two-lines/
Download a file with a progress barhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/geopandas_shapely_binary_predicates.ipynb
Writing a DataFrame to an Excel workbookhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/pandas_excel.ipynb
Loading the results of a Spatialite spatial queryhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/load_spatialite_query_results.ipynb
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#geocoding-addresses
datadesk/python-censusbatchgeocoder: A simple Python wrapper for U.S. Census Geocoding Services API batch servicehttps://github.com/datadesk/python-censusbatchgeocoder
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#examining-data
Count null values in any columnhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/count_null_values_in_any_column.ipynb
Calculate percentages of a grouphttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/percentages_of_group.ipynb
Length of a DataFramehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/length_of_dataframe.ipynb
Check if column existshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/column_exists.ipynb
Show all columnshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/show_all_columns.ipynb
Format values in a DataFramehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/noteboos/format_values.ipynb
List columnshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/list_columns.ipynb
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#filtering-subsetting-and-indexing-data
Find rows with null values in any columnhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/find_null_values_in_any_column.ipynb
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Select all the contents of a MultiIndex levelhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/multiindex_slice.ipynb
Select a single item by indexhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/select_single_item_by_index.ipynb
Get consecutive pairs from an interablehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/consecutive_pairs_iterable.ipynb
Select a set of items by a list of index valueshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/select_multiple_items_by_index.ipynb
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#filter-a-series
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#filter-a-dataframe-using-a-function
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#filtering-dataframe-based-on-whether-a-columns-value-is-in-a-list
pandas.Series.isinhttps://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.isin.html
Use a list of values to select rows from a pandas dataframe [duplicate]https://stackoverflow.com/a/12098586/386210
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#invert-a-boolean-series
Boolean indexinghttp://pandas.pydata.org/pandas-docs/stable/indexing.html#boolean-indexing
How can I obtain the element-wise logical NOT of a pandas Series?https://stackoverflow.com/questions/15998188/how-can-i-obtain-the-element-wise-logical-not-of-a-pandas-series
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#filter-a-dataframe-column-based-on-a-string-property
Vectorized string functions for Serieshttps://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.str.html
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#cleaning-transforming-and-manipulating-data
Combine records when information is split across rowshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/combine_record_rows.ipynb
Split a DataFrame into chunkshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/chunk_dataframe.ipynb
Add row numbers to a DataFramehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/add_row_numbers.ipynb
GeoPandas and Shapely binary predicateshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/geopandas_shapely_binary_predicates.ipynb
Get the border of a polygon feature as a line featurehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/geopandas_shapely_binary_predicates.ipynb
Break a multi-polygon in one row of a GeoDataFrame into multiple rows for each polygonhttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/geopandas_shapely_binary_predicates.ipynb
Pivot values in rows into separate columnshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/pivot_rows_into_columns.ipynb
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#change-types-of-columns
This StackOverflow answerhttps://stackoverflow.com/a/28648923/386210
Overview of Pandas Data Typeshttps://pbpython.com/pandas_dtypes.html
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#find-and-replace-across-an-entire-dataframe
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#add-a-rank-column-to-a-dataframe
Ranking Rows Of Pandas Dataframeshttps://chrisalbon.com/python/data_wrangling/pandas_dataframe_ranking_rows/
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#summing-values-across-columns
pandas.DataFrame.sumhttps://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.sum.html
pandas.DataFrame.sumhttps://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.sum.html
Pandas sum two columns, skipping NaNhttps://stackoverflow.com/questions/24386638/pandas-sum-two-columns-skipping-nan
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#flatten-multiindex-columns-into-one
python - Pandas dataframe with multiindex column - merge levels - Stack Overflowhttps://stackoverflow.com/questions/24290297/pandas-dataframe-with-multiindex-column-merge-levels
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#adding-a-quartile-column
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#add-a-column-and-return-a-new-dataframe
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#dealing-with-the-geometry-is-in-a-geographic-crs-results-form-area-are-likely-incorrect-warning-in-geopandas
areahttps://geopandas.org/docs/reference/api/geopandas.GeoSeries.area.html
Map Projection and Coordinate Reference Systemshttps://zia207.github.io/geospatial-python.io/lesson_03_pojection_coordinate_reference_system.html
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#parsing-addresses
usaddresshttps://github.com/datamade/usaddress
web interfacehttps://parserator.datamade.us/usaddress/
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rehttps://docs.python.org/3/library/re.html
Pythexhttps://pythex.org/
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#aggregating-data
Count number of items in a grouphttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/count_items_in_group.ipynb
Count unique values within a grouphttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/count_unique_values_within_group.ipynb
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#visualizing-data
Coloring a choropleth based on an explicit color value in a GeoDataFramehttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/color_choropleth_explicitly.ipynb
Showing a layer of points over a layer of polygons in Altairhttps://altair-viz.github.io/altair-tutorial/notebooks/09-Geographic-plots.html#points-on-background
Quickly plotting multiple GeoPandas geometrieshttps://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet/blob/main/notebooks/geopandas_shapely_binary_predicates.ipynb
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https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#render-a-python-variable-in-a-markdown-cell
Python Markdownhttp://jupyter-contrib-nbextensions.readthedocs.io/en/latest/nbextensions/python-markdown/readme.html
Unofficial Jupyter Notebook Extensionshttp://jupyter-contrib-nbextensions.readthedocs.io/en/latest/index.html
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#showing-lower-level-logging-messages
Get Output From the logging Module in IPython Notebookhttps://stackoverflow.com/questions/18786912/get-output-from-the-logging-module-in-ipython-notebook
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#avoiding-having-to-manually-reimport-modules-when-you-change-code-in-them
autoreloadhttps://ipython.readthedocs.io/en/stable/config/extensions/autoreload.html
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#sharing-code-and-variables-between-notebooks
Feather fileshttps://pandas.pydata.org/docs/reference/api/pandas.DataFrame.to_feather.html
store magichttps://ipython.readthedocs.io/en/stable/config/extensions/storemagic.html
methods for importing notebooks as moduleshttps://ipython.readthedocs.io/en/stable/config/extensions/storemagic.html
Joe Germuskahttps://twitter.com/JoeGermuska
%run magichttps://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-run
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#show-all-rows-of-a-pandas-dataframe-or-series
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pandas.option_context()https://pandas.pydata.org/docs/reference/api/pandas.option_context.html#pandas.option_context
Pandas optionshttps://pandas.pydata.org/pandas-docs/stable/user_guide/options.html
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#python-environment
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https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#installing-python-in-a-good-way
My Python Development Environment, 2020 Editionhttps://jacobian.org/2019/nov/11/python-environment-2020/
Python Wranglerhttp://littlecolumns.com/tools/python-wrangler/
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#use-a-particular-python-version-with-pipenv
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#running-a-script-and-dropping-to-the-debugger-on-an-exception
Starting python debugger automatically on errorhttps://stackoverflow.com/a/2438834
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#create-a-kernel-for-use-with-jupyter
associatedpress/cookiecutter-python-projecthttps://github.com/associatedpress/cookiecutter-python-project/blob/master/hooks/post_gen_project.sh
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#integrating-code-formatters-and-linters-into-your-coding-workflow
Blackhttps://black.readthedocs.io/en/stable/
pylinthttps://www.pylint.org/
vimhttps://github.com/dense-analysis/ale/blob/master/supported-tools.md
pre-commithttps://pre-commit.com/
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https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#tell-pylint-to-ignore-a-rule
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https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#listing-the-path-to-a-virtual-environment-created-with-pipenv
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#specifying-the-python-environment-used-by-visual-studio-code
Using Python Environments in Visual Studio Codehttps://code.visualstudio.com/docs/python/environments
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#executing-a-jupyter-notebook-from-the-command-line
Executing notebooks from the command linehttps://nbconvert.readthedocs.io/en/latest/execute_api.html#executing-notebooks-from-the-command-line
https://patch-diff.githubusercontent.com/ghing/python-data-cheatsheet#data-sources
https://censusreporter.org/data/table/?table=B02001&geo_ids=16000US1714000,140|16000US1714000&primary_geo_id=16000US1714000https://censusreporter.org/data/table/?table=B02001&geo_ids=16000US1714000,140%7C16000US1714000&primary_geo_id=16000US1714000
https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Neighborhoods/bbvz-uum9https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Neighborhoods/bbvz-uum9
https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.htmlhttps://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html
https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.htmlhttps://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html
https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.htmlhttps://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html
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