assert_function

Evaluate condition and return error message if condition not satisfied.

Facilitates extraction of geospatial data from the 'Office for National Statistics Open Geography' and 'nomis' Application Programming Interfaces (APIs). Simplifies process of querying 'nomis' datasets <https://www.nomisweb.co.uk/> and extracting desired datasets in dataframe format. Extracts area shapefiles at chosen resolution from 'Office for National Statistics Open Geography' <https://geoportal.statistics.gov.uk/>.

Andrew Christy

sgapi

Aid Querying 'nomis' and 'Office for National Statistics Open
Geography' APIs

James Macpherson

Hadyn Jenkins

Crown Copyright (Department for Environment Food and Rural Affairs) 

assert_function function

<dl><dt>condition</dt>
<dd>a logical expresssion (e.g. is.null(test_variable))</dd>
<dt>msg</dt>
<dd>the error message returned if the condition is not met.</dd></dl>

Arguments

Escape Function in Case of Errors — assert_function

<dl>

<dt>condition</dt>
<dd>a logical expresssion (e.g. is.null(test_variable))</dd>


<dt>msg</dt>
<dd>the error message returned if the condition is not met.</dd>

</dl>

assert_function: Escape Function in Case of Errors

Description

Usage

Value

Arguments

Examples