Record Values

A record is a named list of values. You also can think of a record as a single row in a table, where each field in the row has a column name and a value. Like lists, records can contain either primitive or structured values.

Structure

Records are initiated by square brackets “[ ]”

Examples

[Planet = “Earth”,  MilesFromSun = 92960000, AdjacentPlanets = { “Venus”, “Mars” }]

Figure 3.7: Creation of a record in M, also showing the values within a nested list

Related Functions

The 23 functions related to records are spread across five categories that largely parallel the categorization of list functions. However, there no Statistical records functions, and one new category added:

• Conversion – functions that create a record from a list or table, or a table or list from a record
• Geospatial – functions that handle geospatial data in point or well-known text (WKT) form
• Informational - functions that output...