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Danfo.js Documentation
Getting Started
API reference
General Functions
Input/Output
Series
Dataframe
Configuration Options
Plotting
Groupby
Groupby.get_groups
Groupby.col
Groupby.max
Groupby.min
Groupby.sum
Groupby.mean
Groupby.std
Groupby.var
Groupby.count
Groupby.cumsum
Groupby.cummax
Groupby.cummin
Groupby.cumprod
Groupby.agg
User Guides
Building Data Driven Applications with Danfo.js - Book
Contributing Guide
Release Notes
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Groupby
GroupBy objects are returned by groupby calls: danfo.DataFrame.groupby()

Indexing, iteration

​GroupBy.get_group​
Construct DataFrame from group with provided name.

Function application

​GroupBy.agg​
Aggregate using one or more operations over the specified axis.

Computations / descriptive stats

​GroupBy.count​
Compute count of group, excluding missing values.
​GroupBy.cummax​
Cumulative max for each group.
​GroupBy.cummin​
Cumulative min for each group.
​GroupBy.cumprod​
Cumulative product for each group.
​GroupBy.cumsum​
Cumulative sum for each group.
​GroupBy.max​
Compute max of group values.
​GroupBy.mean​
Compute mean of groups, excluding missing values.
​GroupBy.min​
Compute min of group values.
​GroupBy.std​
Compute standard deviation of groups, excluding missing values.
​GroupBy.sum​
Compute sum of group values.
​GroupBy.var​
Compute variance of groups, excluding missing values.
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Groupby.get_groups
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Contents
Indexing, iteration
Function application
Computations / descriptive stats