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Data analysis
Term | Definition |
---|---|
Data Analysis | A process of cleaning, transforming, and modeling data to discover useful information for business decision-making. |
Data Analysis consists of the following phases: | Data Requirement Gathering Data Collection Data Cleaning Data Analysis Data Interpretation Data Visualization |
Data Requirement Gathering | to decide what to analyze and how to measure it |
Data Collection | to collect your data based on requirements |
Data Cleaning | The data which is collected may contain duplicate records, white spaces or errors. The data should be cleaned and error free. |
Data Interpretation | To interpret your results. You can choose the way to express or communicate your data analysis either you can use simply in words or maybe a table or chart. Then use the results of your data analysis process to decide your best course of action. |
Data Visualization | Often used to discover unknown facts and trends through visual such as charts and graphs |
Types of Data Analysis are | Text, Statistical, Diagnostic, Predictive, Prescriptive Anal |