Data analysis with pandas .edu
data analysis with pandas
1
Series and DataFrames
pandas for data analysis
examples of the data structures
making DataFrames
2
An Application
analyzing reviews from video games
asking questions about the data
3
Visualization
making histograms with matplotlib in ipython
MCS 507 Lecture 25
Mathematical, Statistical and Scientific Software
Jan Verschelde, 18 October 2023
Scientific Software (MCS 507)
data analysis with pandas
L-25
18 October 2023
1 / 36
data analysis with pandas
1
Series and DataFrames
pandas for data analysis
examples of the data structures
making DataFrames
2
An Application
analyzing reviews from video games
asking questions about the data
3
Visualization
making histograms with matplotlib in ipython
Scientific Software (MCS 507)
data analysis with pandas
L-25
18 October 2023
2 / 36
background
The software pandas was built to satisfy a set of requirements:
Data structures with labeled axes should support data alignment,
both automatically and explictly.
Functionality to integrate time series.
The same data structures should handle both times series data
and nontime series data.
Arithmetic operations and reductions (like summing across an
axis) should pass on the metadata (axis labels).
Flexible handling of missing data.
Support for merge and other relational operations as in databases.
Wes McKinney: Python for Data Analysis, O¡¯Reilly 2013.
Scientific Software (MCS 507)
data analysis with pandas
L-25
18 October 2023
3 / 36
about pandas
open source Python library
uses numpy for performance
uses matplotlib for visualization
SQL operations can be done with pandas
installs with conda or pip
widely used for data analysis
Scientific Software (MCS 507)
data analysis with pandas
L-25
18 October 2023
4 / 36
pandas in the stack
picture from the slides of Jake VanderPlas
Scientific Software (MCS 507)
data analysis with pandas
L-25
18 October 2023
5 / 36
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