Applying Comparison Operators to DataFrame - p.12 Data Analysis with Python and Pandas Tutorial

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Welcome to part 12 of the Data Analysis with Python and Pandas tutorial series. In this tutorial, we're goign to talk briefly on the handling of erroneous/outlier data. Just because data is an outlier, it does not mean it is erroneous. A lot of times, an outlier data point can nullify a hypothesis, so the urge to just get rid of it can be high, but this isn't what we're talking about here.

What would an erroneous outlier be? An example I like to use is when measuring fluctuations in something like, say, a bridge. As bridges carry weight, they can move a bit. In storms, that can wiggle about a bit, there is some natural movement. As time goes on, and supports weaken, the bridge might move a bit too much, and eventually need to be reinforced. Maybe we have a system in place that constantly measures fluctuations in the bridge's height.

Text based tutorial and sample code: http://pythonprogramming.net/comparison-operators-data-analysis-python-pandas-tutorial/

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Tags:
Pandas
Python (Programming Language)
Operator
Data Analysis (Media Genre)
comparison