From the course: Machine Learning Foundations: Statistics
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The correlation - Python Tutorial
From the course: Machine Learning Foundations: Statistics
The correlation
- [Narrator] Your company's HR department wants to gain insight into information about people working in software development. So they ask you to take a look at the data set containing information on 50,000 people in the industry. You expect a strong relationship between the number of years of experience and salary, since seniors are usually paid more than juniors. Opposite of that, there is probably a weak or no relationship between pizza consumption and salary. The statistical relationship between two variables is referred to as their correlation. A correlation can be positive, negative, or neutral. The positive correlation means both variables move in the same direction. Years of experience and salary is a case of positive correlation. The negative correlation means that when one variable increases the other variable decreases. A negative correlation could be that the factory increases safety training, so there are…
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