=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg collected 12145 items / 3 skipped ................ project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact 'line', 'pie', 'scatter'] Note: In many development environments as well as IPython and Jupyter Notebook, use the TAB button to get an overview of the available methods, for example air_quality.plot. +

=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg collected 12145 items / 3 skipped ................ project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact 'line', 'pie', 'scatter'] Note: In many development environments as well as IPython and Jupyter Notebook, use the TAB button to get an 1.4. Tutorials 31 pandas: powerful Python data analysis toolkit

=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg collected 12145 items / 3 skipped ................ project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact 'line', 'pie', 'scatter'] Note: In many development environments as well as IPython and Jupyter Notebook, use the TAB button to get an 1.4. Tutorials 31 pandas: powerful Python data analysis toolkit

0 PyTorch Release 22.08 PyTorch RN-08516-001_v23.07 | 93 ‣ Jupyter Core 4.6.1 ‣ Jupyter Notebook 6.0.3 ‣ JupyterLab 2.3.2, including Jupyter-TensorBoard ‣ JupyterLab Server 1.0.6 ‣ Jupyter-TensorBoard 0 PyTorch Release 22.07 PyTorch RN-08516-001_v23.07 | 100 ‣ Jupyter Core 4.6.1 ‣ Jupyter Notebook 6.0.3 ‣ JupyterLab 2.3.2, including Jupyter-TensorBoard ‣ JupyterLab Server 1.0.6 ‣ Jupyter-TensorBoard 0 PyTorch Release 22.06 PyTorch RN-08516-001_v23.07 | 107 ‣ Jupyter Core 4.6.1 ‣ Jupyter Notebook 6.0.3 ‣ JupyterLab 2.3.2, including Jupyter-TensorBoard ‣ JupyterLab Server 1.0.6 ‣ Jupyter-TensorBoard

=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg collected 12145 items / 3 skipped ................ project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact 'line', 'pie', 'scatter'] Note: In many development environments as well as IPython and Jupyter Notebook, use the TAB button to get an 1.4. Tutorials 31 pandas: powerful Python data analysis toolkit

=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg collected 12145 items / 3 skipped ................ project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact 'line', 'pie', 'scatter'] Note: In many development environments as well as IPython and Jupyter Notebook, use the TAB button to get an 1.4. Tutorials 31 pandas: powerful Python data analysis toolkit

project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact 'line', 'pie', 'scatter'] Note: In many development environments as well as IPython and Jupyter Notebook, use the TAB button to get an 32 Chapter 1. Getting started pandas: powerful Python data analysis analysis in Python with pandas (2016-2018) GitHub repo and Jupyter Notebook • Best practices with pandas (2018) GitHub repo and Jupyter Notebook Various tutorials • Wes McKinney’s (pandas BDFL) blog • Statistical

was encountered rather than the correct error message (GH13374) • Bug in DataFrame.to_html() with notebook=True where DataFrames with named indices or non- MultiIndex indices had undesired horizontal or the Table Schema spec and that gives the possibility for a more interactive repr in the Jupyter Notebook, see here 36 Chapter 1. What’s New pandas: powerful Python data analysis toolkit, Release 0.21 frontend like nteract using the Jupyter messaging protocol). This gives frontends like the Jupyter notebook and nteract more flexiblity in how they display pandas objects, since they have more information

=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg (continues on next page) 2.1. Installation 45 pandas: project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact first N (default 5) rows of the DataFrame. This is often used in interactive work (e.g. Jupyter notebook or terminal) - the equivalent in SAS would be: proc print data=df(obs=5); run; 188 Chapter 2.

=== platform win32 -- Python 3.6.2, pytest-3.6.0, py-1.4.34, pluggy-0.4.0 rootdir: C:\Users\TP\Documents\Python\pandasdev\pandas, inifile: setup.cfg collected 12145 items / 3 skipped ................ project has used informally since its inception in 2008 is formalized in Project Governance documents. The documents clarify how decisions are made and how the various elements of our commu- nity interact first N (default 5) rows of the DataFrame. This is often used in interactive work (e.g. Jupyter notebook or terminal) - the equivalent in SAS would be: proc print data=df(obs=5); run; 3.5. Comparison