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What-If Analysis Tools in Excel

What-If is a function built in to Microsoft Excel to compute answers to “what if” questions, exactly as the name suggests! A business would be faced many such “what if” questions – “What if we need to earn a profit of Rs. 10000,...

Building a Multiple Linear Regression Model

Previously, we have seen situations where an outcome (the dependent variable) is based on a single input variable (independent variable). Sadly, real life is rarely as simple. Most outcomes in real situations are affected by multiple input variables. To...

Building Nonlinear Regression Models

We have talked about regression models in the context of linear regression models in the previous post. A nonlinear regression model is one that describes a nonlinear relationship between the dependent and the independent variables. Naturally, the equation of the...

Building Linear Regression Models

What is regression? In the dictionary, the word regression basically means ‘to go back’. In terms of statistics too, the meaning is not too different – it means ‘to go back to the past data to explain the process that generates the data’....