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pandas_notes [2022/09/26 15:40] – [links I came across] rajupandas_notes [2023/11/12 09:06] (current) – [links I came across] raju
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 +==== common pandas data types ====
 +
 +^ data type ^ description ^ supports missing values ^
 +| float | The NumPy float type | Yes |
 +| int | The NumPy integer type | No |
 +| 'Int64' | pandas nullable integer type | Yes |
 +| object | The NumPy type for storing strings (and mixed types) | |
 +| 'category' | pandas categorical type | Yes |
 +| bool | The NumPy Boolean type | No. \\ None becomes False, np.nan becomes True. |
 +| 'boolean' | pandas nullable Boolean type | Yes |
 +| datetime64[ns] | The NumPy date type | Yes (NaT) |
 +
 +Ref:- (Pandas 1.x Cookbook, by Matt Harrison and Theodore Petrou, second edition, published in 2020) -> Chapter 1 -> page-7
 +
 +
 ==== What packages does pandas depend on? ==== ==== What packages does pandas depend on? ====
   * Dependencies - https://pandas.pydata.org/pandas-docs/stable/getting_started/install.html#dependencies   * Dependencies - https://pandas.pydata.org/pandas-docs/stable/getting_started/install.html#dependencies
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 ==== links I came across ==== ==== links I came across ====
 +  * https://github.com/pandas-dev/pandas/releases - pandas release history
 +  * http://pandas.pydata.org/pandas-docs/stable/getting_started/install.html - pandas installation page. Contains instructions to install pandas in various ways.
 +  * http://pandas.pydata.org/pandas-docs/stable/ - pandas official documentation
   * https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html - good reference to learn about iloc, slicing ranges   * https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html - good reference to learn about iloc, slicing ranges
   * DuckDB can run SQL queries directly on Parquet files and automatically take advantage of the advanced features of the Parquet format.   * DuckDB can run SQL queries directly on Parquet files and automatically take advantage of the advanced features of the Parquet format.
pandas_notes.1664206803.txt.gz · Last modified: 2022/09/26 15:40 by raju