In this blog post, I aim to discuss how we, as economists understand the relative performance of companies that operate within different industries. This is a hugely important skill as looking at the
The industry lifecycle provides a view of the typical birth to death cycle of an industry. It has the phases: introduction, growth, maturity and decline – we will use the
It’s been a little while, but we’re back with a series on business strategy and to kick it off, we’re going to look at the difference between corporate and business
A decision tree builds a model in the form of a tree structure – almost like a flow chart. In order to calculate the expected outcome, it uses decision points
When completing my domain normalisation project, I used Spark to do the heavy lifting – getting data in to a dataframe & aggregating (group by and sum) and then used
The below is a logistic regression model, which uses some dummy data to determine whether people are at risk of diabetes or not – of course, this model couldn’t actually
Machine learning is described in detail in this article. Today, I want to run through a simple machine learning model, that uses linear regression. What is regression? Regression aims to
There is no way to automatically partition an un-partitioned table. So, we have to follow the below simple process as a workaround: Create a new table #SHOW THE CREATE STATEMENT
Supervised learning Supervised learning is where we provide the model with the actual outputs from the data. This let’s it build a picture of the data and form links between
Machine learning uses statistical techniques to give computer systems the ability to ‘learn’ rather than being explicitly programmed. By learning from historical inputs. we’re able to achieve far greater accuracy
Using customer usage logs, I need to identify the customers that travel most each day and understand the most popular routes across the world. Justification: Understanding the most travelled customers
In this article, we’ll look at some of the key components of PySpark, which is one of the most in-demand big data technologies at the current time. Spark Session Spark
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