Simple code like this won't work anymore on my python shell:
import pandas as pd
df=pd.read_csv("K:/01. Personal/04. Models/10. Location/output.csv",index_col=None)
df.sample(3000)
The error I get is:
AttributeError: 'DataFrame' object has no attribute 'sample'
DataFrames definitely have a sample function, and this used to work. I recently had some trouble installing and then uninstalling another distribution of python. I don't know if this could be related.
I've previously had a similar problem when trying to execute a script which had the same name as a module I was importing, this is not the case here, and pandas.read_csv is actually working.
What could cause this?
As given in the documentation of DataFrame.sample -
DataFrame.sample(n=None, frac=None, replace=False, weights=None, random_state=None, axis=None)Returns a random sample of items from an axis of object.
New in version 0.16.1.
(Emphasis mine).
DataFrame.sample is added in 0.16.1 , you can either -
Upgrade your pandas version to latest, you can use pip for that, Example -
pip install pandas --upgrade
Or if you don't want to upgrade, and want to sample few rows from the dataframe, you can also use random.sample(), Example -
import random
num = 100 #number of samples
sampleddata = df.loc[random.sample(list(df.index),num)]
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