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Q&A

Posts tagged pandas

Subtag of python

For questions about Pandas Python library that is used for data manipulation and analysis.

This tag doesn't have a detailed wiki yet.

66%
+2 −0
Q&A How to compress columns of dataframe by function

Problem How can I compress each column of a dataframe to the output of a function (i.e., mean), preserving columns? MWE import pandas as pd data = {"A": [1, 2, 3, 4], "B": [5, 6, 7, 8]} ...

0 answers  ·  posted 1mo ago by young_souvlaki‭

Question python pandas
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Q&A Built-in way to compute coefficient of variation in pandas

Background The coefficient of variation is: defined as the ratio of the standard deviation to the mean Question Is there a built-in function for this? Tried I know I can do df.std() / df...

1 answer  ·  posted 4mo ago by young_souvlaki‭  ·  last activity 4mo ago by cuzzo‭

Question python pandas
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Q&A How to plot table from pandas dataframe

MWE import pandas as pd import numpy as np import matplotlib.pyplot as plt df = pd.DataFrame(np.random.rand(9, 4), columns=['a', 'b', 'c', 'd']) df.plot.bar(table=True) # don't want plot, ...

1 answer  ·  posted 8mo ago by young_souvlaki‭  ·  last activity 7mo ago by __blackjack__‭

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Q&A How to add vertical lines for visual separation in pandas plot

MWE import pandas as pd import numpy as np import matplotlib.pyplot as plt df = pd.DataFrame(np.random.rand(9, 4), columns=['a', 'b', 'c', 'd']) df.plot.bar() plt.show() Question Ho...

2 answers  ·  posted 8mo ago by young_souvlaki‭  ·  last activity 8mo ago by samcarter‭

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Q&A Comparing two excel files with Python based on changes

I have two tables: Table1: Name Description Amount 123 Description123 123 456 Description456 456 789 Description789 666 101 Description777 101 133 De...

1 answer  ·  posted 1y ago by sfrow‭  ·  last activity 1y ago by ibmx‭

Question python pandas