Learn Data Analysis with Python: Lessons in Coding

© A.J. Henley and Dave Wolf 2018

A.J. Henley and Dave WolfLearn Data Analysis with Pythonhttps://doi.org/10.1007/978-1-4842-3486-0_5

5. Visualizing Data

A. J. Henley¹  and Dave Wolf²

(1)

Washington, D.C., District of Columbia, USA

(2)

Sterling Business Advantage, LLC, Adamstown, Maryland, USA

 

Data Quality Report

When you have looked at enough datasets, you will develop a set of questions you want answered about the data to ascertain how good the dataset is. This following scripts combine to form a data quality report that I use to evaluate the datasets that I work with.

# import the data

import pandas as pd

Location = "datasets\gradedata.csv"

df = pd.read_csv(Location)

df.head()

df.mode().transpose()

Listing 5-1

Load Dataset from CSV

data_types = pd.DataFrame(df.dtypes, ...