data = pd.read_hdf('large.hdf5', 'key', columns=['some', 'columns'])Problem descriptionI saved a large dataframe with ab...

Code Sample, a copy-pastable example if possiblereader = pd.read_hdf(filename, 'foo', chunksize=1000)next(reader)TypeErr...

Code Sample, a copy-pastable example if possiblelst = [1, 2, 3, 1, 2, 3, 2]s = pd.Series([1, 2, 3, 10, 20, 30, 80], inde...

Code Sample, a copy-pastable example if possible> docker run --tty --interactive --rm python:2.7.12-alpine ash/ # apk...

Code Sample:df = DataFrame({'a': range(10), 'b': range(20, 30), 'c': range(30, 40)})df.apply(lambda x: [x])out[]:a [[...

Something like this is a pretty good example. I know something about animals, cats, dogs, and hair, so I can sort of kee...

Code Sample, a copy-pastable example if possible# Setupimport pandas as pddates = pd.to_datetime(range(1,300), unit='D',...

Code Sample, a copy-pastable example if possibleIn pandas v0.20.2, the following codeimport pandas as pdfrom io import S...

Code Sample, a copy-pastable example if possible# Your code heredataset[dataset.Column1 =="abc123"] # this wor...

DescriptionConsider the 3D arraya = array([[[ 0, 1, 2], [ 3, 4, 5]], [[ 6, 7, 8], [ 9, 10, 11]...

Code Sample, a copy-pastable example if possibleTake a csv file with this content:A B C D128.0.0.0 "GET /get-stuff-...

Code Sample, a copy-pastable example if possibles = Series(date_range('2012-1-1', periods=3, freq='D'))td = Series([ Tim...

Code Sample, a copy-pastable example if possible# Your code here#%%import pandas as pdimport numpy as np#%%_M = 10_N = 1...

pd.read_table can make use of usecols to reduce the memory footprint. usecols supports a list of labels, but this is onl...

We should really check for valid engine names for the engine argument to pd.read_table. An invalid name results in a dub...

Code Sample, a copy-pastable example if possible# Your code hereaadhaar_data = pd.read_csv('/Users/philips/Downloads/aad...

Code Sample, a copy-pastable example if possible# Your code hereProblem description[this should explain why the current ...

HelloI have such a dataframe: signalperstation signal_intEntry name Sta...

In [3]: df1 = pd.DataFrame(np.random.randint(0,10,(4,3)), columns=['a','b','c'])In [4]: df1Out[4]: a b c0 9 3 21...

Code Sample, a copy-pastable example if possibleI came across a weird behavior in the following code>>> import ...