MKT 473 Lecture Notes - Lecture 17: Text Mining, Contingency Table, Squared Deviations From The Mean
Document Summary
The coding process: list responses, consolidate responses, set codes, enter codes, read responses to an individual open-ended questions on questionnaires, match individual responses with consolidated list of response categories. Text analytics: text analytics is a technology that turns unstructured information into structures information so that it can be properly analyzed by business intelligence systems, useful for: Particularly useful for presenting a given measurement taken at several points over time: pie charts: Good for special relationships among data points. Should total to 100: bar charts: Types of bar charts: clustered bar chart, stacked bar chart, multiple-row bar chart. Mean: the sum of the values for all observations of a variable divided by the number of observations. Median: value below which 50% of the observations fall. Mode: the value that occurs most frequently. Measures of dispersion: these measures indicate how spread out the data are:
