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Data
Data Data are recorded observations, measurements, or information collected to answer questions, test hypotheses, or make decisions. In statistics and data science, data are the raw material we analyze to discover patterns, relationships, and ...
Data Frame
A data frame is a way to organize data into rows and columns, similar to a spreadsheet or table. Data frames are one of the most common ways to store and work with data in statistics, data science, and R. How Data Frames Work Each row represents one ...
Data Generating Process (DGP)
Data Generating Process (DGP) The Data Generating Process (DGP) refers to the underlying mechanism—real or hypothetical—that produces the data we observe. A DGP specifies how variables are related, how randomness enters the system, and how observed ...
Appendix of Data Frames Used in Course Textbook
All data frames listed below are automatically preloaded when you run library(coursekata). Link to full repository of R documentation: https://www.rdocumentation.org/ Data Frame Name and Link to R Documentation Ames BikeCommute FatMice18 Fingers ...
Observations
In research, observations—also called, cases, objects, or research units—are the entities that a study focuses on. They are the “things” about which data are collected and analyzed. Depending on the discipline and research question, observations may ...