Unique: Unique refers to the attribute of a data set that represents a distinct value. In other words, a value is unique if it does not occur more than once in the data set.
Definition of E-commerce E-commerce: E-commerce is a term for the buying and selling of goods and services over the internet. It usually refers to the sale of goods and services by businesses to consumers, but can also describe the purchase of goods and services by businesses from other businesses. What things should be considered when…
Definition of Data Model Data Model: A data model is a conceptual representation of data that is used to understand and design systems. A data model is a conceptual framework that defines how data is structured and how it is accessed. A data model can be used to represent data in a database, in a…
Absolute Error is the difference between the predicted value and the actual value.
Definition of Windowed Aggregation Windowed Aggregation: Windowed aggregation is the process of computing a statistic over a fixed-size window of data. The window slides along the data set, taking a fixed number of values from the start of the set and computing the statistic for each one. This can be done with any type of…