Datasets

At the core of any research is the dataset, which is an organized collection of related data. The data is formatted into columns and rows.

  • A row represents a record in the dataset (for example, a vehicle registration in the Polk New Registrations dataset, or the location of a Dunkin' DonutsĀ® in another dataset). In the case of survey-style datasets like Nielsen Scarborough or SimmonsLOCAL, each row might represent a specific respondent .
  • A column can represent an attribute (sometimes called a filter or a variable) or a calculated value (for example, proportion, weighted individual respondents, etc.).

Data in a dataset can be quantitative (continuous or discrete types), qualitative (ordinal or nominal types) or a combination of both.

  • Examples of quantitative data might be the price paid for a new car, the number of times a survey respondent ate at a particular restaurant, or the number of new Hondas a particular car dealer sold last month. All of these values are numbers.
  • Examples of qualitative data might be a specific make of car (for example, a Honda Odyssey), demographic information (for example, ethnicity, education level, political affiliation), or ordinal data that indicates the level of satisfaction someone has with a product (a Likert scale is a common kind of ordinal data).

Related information

Know what datasets you have access to

Target series


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