Introduction to data-science tools in Bluemix – Part 6

Step-by-step Understanding Linear Regression. Linear regression analysis is used to help you establish if there is a real relationship between two variable. In real terms it helps you determine if there is a statistically significant relationship between two events. Creating a regression model tests if there is a relationship. In addition if we know that there is an existing relationship, then we can predict or forecast a new observation. There are two roles of the variables. the dependant variable, is the variable that we wish to explain and this is the X axis variablethe independant variable is the variable we are attempting to see if there is a relationship with. This is the Y axis variable. As we see a change in the X axis variable, we are trying to…


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