Differences

This shows you the differences between two versions of the page.

--- data_concept:population [2023/02/19 19:50]
peter
+++ data_concept:population [2024/03/08 13:33] (current)
@@ Line 2: / Line 2: @@
 ===Definition===
-A population is a collection of [[data_concept:data_record|data records]] in a [[data_concept:data file|data file]] of a specific [[data_concept:entity type|entity type]] within a specific scope.
+A population is a set of [[data_concept:object|objects]] of a specific [[data_concept:entity type|entity type]] within a specific scope.
-===Notes===
+===Note===
-Examples:
+The scope can be defined by any selection criteria including the factor time.
-All inhabitants of the UK at the first of January 2023 older than 18 years .
-All invoices of a  company issued in 2000.
-All cars with a French licence plate at the first of January 2023.
+===Relations===
+|Population| consists of |[[data_concept:object|objects]]|
+|Population| is described in a |[[data_concept:data file|data file]]|
+===Examples===
+  * All inhabitants of the UK at the first of January 2023 older than 18 years.\\
+  * All invoices of a  company issued in 2000.\\
+  * All cars with a French licence plate at the first of January 2023.
+{{tag>All}}