| Unit 1 | Data Analysis Sequence |
The steps of a typical data analysis study are generally consistent with a general scientific discovery sequence.
Your data science discovery starts with the question to be answered and the type of analysis to be applied. The simplest analysis type is descriptive, where the data set is described by reporting its aggregate measures, often in a visual form. No matter what you do next, you have to at least describe the data! During exploratory data analysis, you try to find new relationships between existing variables. If you have a small data sample and would like to describe a bigger population, statistics-based inferential analysis is right for you. A predictive analyst learns from the past to predict the future. ...
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