get_ent: Retrieve description for EPD entities

Description Usage Arguments Value get_entity .get_entity .get_pentity .get_coredrive .get_descr .get_lithology .get_loi .get_section .get_publent Examples

View source: R/EPDr-get_functions.R

Description

Functions in this family retrieves information relative to the description of the entity itself. The main function (get_ent) requires a valid connection to the database and the entity ID for the entity of interest. All other functions (starting with a dot [.]) use different arguments depending on the piece of information they retrieve.

Usage

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Arguments

e_

numeric Value indicating the entity number (e_) of the database that want to be queried.

connection

PostgreSQLConnection Object of class PostgreSQLConnection as returned by function connect_to_epd.

descriptor

character Three/four letter code for the description of the entity.

Value

entity-class object. This is an EPDr object with information from different tables. See documentation of the EPD: http://www.europeanpollendatabase.net/data/downloads/image/pollen-database-manual-20071011.doc).

get_entity

This function returns an entity-class object with several information from the rest of the functions for a particular entity.

.get_entity

This functions returns a data.frame with information in in the ENTITY table for the specified entity. This corresponds with description information for that entity.

.get_pentity

This functions returns a data.frame with information in in the P_ENTITY table for the specified entity. This corresponds with details on the status of the data, contact person, and restriction of use for the data in that entity.

.get_coredrive

This functions returns a data.frame with information in in the COREDRIVE table for the specified entity. This corresponds with details on the drirve used to sample the entity.

.get_descr

This functions returns a data.frame with information in in the DESCR table for the specified entity. This corresponds with a longer description of the entity.

.get_lithology

This functions returns a data.frame with information in in the LITHOLOGY table for the specified entity. This corresponds with details on the lithology found when drilling the entity.

.get_loi

This functions returns a data.frame with information in in the LOI table for the specified entity. This corresponds with details on the loss-on-ignition for samples in that particular entity the entity.

.get_section

This functions returns a data.frame with information in in the SECTION table for the specified entity. This corresponds with details on the sections used to sample the entity.

.get_publent

This functions returns a data.frame with information in in the PUBLENT table for the specified entity. This corresponds with publications in which data for that entity have been published.

Examples

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## Not run: 
epd.connection <- connect_to_epd(host = "localhost", database = "epd",
                                 user = "epdr", password = "epdrpw")
ent.400 <- get_ent(400, epd.connection)
ent.400

## End(Not run)

dinilu/EPDr documentation built on Jan. 31, 2018, 1:58 a.m.