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Visual Data Verification

Aug

28

2019

Previously we looked at importing and the initial verification of data in Python. Next we shall look at the visual verification of data. We shall use Pandas with Matplotlib to plot a series of graphs to check for erroneous data. We will use numpy, matplotlib, and pandas; and all of these can be installed with ...

Python Data Validation

Aug

1

2019

Python is a good scripting language for data analysis and processing, but are you sure your imported data is valid? As well as import errors, it is possible the data itself contains errors such as values in the wrong field, inconsistent values/fields, and unexpected situations. Immediately after reading the data, you must validate it, and ...

Importing Data into Python

Jul

25

2019

Python is a popular tool for data manipulation and processing. In this first post about Python data manipulation and input, we look at a number of different ways to get your data files loaded into Python. Structured non-tabular data Structured non-tabular data typically consists of data records with fields which are not always present, in ...