Data Prep 101: What is an aggregate function and how do,
Jun 07, 2018· Data is generated and analyzed at many different levels of granularity. Granularity is the level of detail of the data. For example, when looking at graduation data, granularity would describe whether a row in the data set represents a single person or the graduating class of a university.RELATIONSHIP BETWEEN AGGREGATE CRUSHING VALUE,journal of engineering and technology (jet), vol.6 no.1&2, pp.126-131. relationship between aggregate crushing value (acv) and ten percent fines value (tfv) for nigerian aggregatesaggregate function | R Documentation,Details. aggregate is a generic function with methods for data frames and time series.. The default method, aggregate.default, uses the time series method if x is a time series, and otherwise coerces x to a data frame and calls the data frame method. aggregate.data.frame is the data frame method. If x is not a data frame, it is coerced to one, which must have a non-zero number of rows.