I work with Series and DataFrames on the terminal a lot. The default __repr__ for a Series returns a reduced sample, with some head and tail values, but the rest missing.
Is there a builtin way to pretty-print the entire Series / DataFrame? Ideally, it would support proper alignment, perhaps borders between columns, and maybe even color-coding for the different columns.
Answers:
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Method 1
You can also use the option_context, with one or more options:
with pd.option_context('display.max_rows', None, 'display.max_columns', None): # more options can be specified also
print(df)
This will automatically return the options to their previous values.
If you are working on jupyter-notebook, using display(df) instead of print(df) will use jupyter rich display logic (like so).
Method 2
No need to hack settings. There is a simple way:
print(df.to_string())
Method 3
Sure, if this comes up a lot, make a function like this one. You can even configure it to load every time you start IPython: https://ipython.org/ipython-doc/1/config/overview.html
def print_full(x):
pd.set_option('display.max_rows', len(x))
print(x)
pd.reset_option('display.max_rows')
As for coloring, getting too elaborate with colors sounds counterproductive to me, but I agree something like bootstrap’s .table-striped would be nice. You could always create an issue to suggest this feature.
Method 4
After importing pandas, as an alternative to using the context manager, set such options for displaying entire dataframes:
pd.set_option('display.max_columns', None) # or 1000
pd.set_option('display.max_rows', None) # or 1000
pd.set_option('display.max_colwidth', None) # or 199
For full list of useful options, see:
pd.describe_option('display')
Method 5
Use the tabulate package:
pip install tabulate
And consider the following example usage:
import pandas as pd from io import StringIO from tabulate import tabulate c = """Chromosome Start End chr1 3 6 chr1 5 7 chr1 8 9""" df = pd.read_table(StringIO(c), sep="s+", header=0) print(tabulate(df, headers='keys', tablefmt='psql')) +----+--------------+---------+-------+ | | Chromosome | Start | End | |----+--------------+---------+-------| | 0 | chr1 | 3 | 6 | | 1 | chr1 | 5 | 7 | | 2 | chr1 | 8 | 9 | +----+--------------+---------+-------+
Method 6
Using pd.options.display
This answer is a variation of the prior answer by lucidyan. It makes the code more readable by avoiding the use of set_option.
After importing pandas, as an alternative to using the context manager, set such options for displaying large dataframes:
def set_pandas_display_options() -> None:
"""Set pandas display options."""
# Ref: https://stackoverflow.com/a/52432757/
display = pd.options.display
display.max_columns = 1000
display.max_rows = 1000
display.max_colwidth = 199
display.width = 1000
# display.precision = 2 # set as needed
set_pandas_display_options()
After this, you can use either display(df) or just df if using a notebook, otherwise print(df).
Using to_string
Pandas 0.25.3 does have DataFrame.to_string and Series.to_string methods which accept formatting options.
Using to_markdown
If what you need is markdown output, Pandas 1.0.0 has DataFrame.to_markdown and Series.to_markdown methods.
Using to_html
If what you need is HTML output, Pandas 0.25.3 does have a DataFrame.to_html method but not a Series.to_html. Note that a Series can be converted to a DataFrame.
Method 7
If you are using Ipython Notebook (Jupyter). You can use HTML
from IPython.core.display import HTML display(HTML(df.to_html()))
Method 8
Try this
pd.set_option('display.height',1000)
pd.set_option('display.max_rows',500)
pd.set_option('display.max_columns',500)
pd.set_option('display.width',1000)
Method 9
datascroller was created in part to solve this problem.
pip install datascroller
It loads the dataframe into a terminal view you can “scroll” with your mouse or arrow keys, kind of like an Excel workbook at the terminal that supports querying, highlighting, etc.
import pandas as pd
from datascroller import scroll
# Call `scroll` with a Pandas DataFrame as the sole argument:
my_df = pd.read_csv('<path to your csv>')
scroll(my_df)
Disclosure: I am one of the authors of datascroller
Method 10
Scripts
Nobody has proposed this simple plain-text solution:
from pprint import pprint pprint(s.to_dict())
which produces results like the following:
{'% Diabetes': 0.06365372374283895,
'% Obesity': 0.06365372374283895,
'% Bachelors': 0.0,
'% Poverty': 0.09548058561425843,
'% Driving Deaths': 1.1775938892425206,
'% Excessive Drinking': 0.06365372374283895}
Jupyter Notebooks
Additionally, when using Jupyter notebooks, this is a great solution.
Note: pd.Series() has no .to_html() so it must be converted to pd.DataFrame()
from IPython.display import display, HTML display(HTML(s.to_frame().to_html()))
which produces results like the following:
Method 11
You can set expand_frame_repr to False:
display.expand_frame_repr : booleanWhether to print out the full DataFrame repr for wide DataFrames
across multiple lines,max_columnsis still respected, but the output
will wrap-around across multiple “pages” if its width exceeds
display.width.
[default: True]
pd.set_option('expand_frame_repr', False)
For more details read How to Pretty-Print Pandas DataFrames and Series
Method 12
You can achieve this using below method. just pass the total no. of columns present in the DataFrame as arg to
‘display.max_columns’
For eg :
df= DataFrame(..)
with pd.option_context('display.max_rows', None, 'display.max_columns', df.shape[1]):
print(df)
Method 13
Try using display() function. This would automatically use Horizontal and vertical scroll bars and with this you can display different datasets easily instead of using print().
display(dataframe)
display() supports proper alignment also.
However if you want to make the dataset more beautiful you can check pd.option_context(). It has lot of options to clearly show the dataframe.
Note – I am using Jupyter Notebooks.
All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0
