digest_to_checksum

A collection of functions that enable easy access and updating of a database of data over time.
More specifically, the package facilitates type-2 history for data-warehouses and provides a number
of Quality of life improvements for working on SQL databases with R.
For reference see Ralph Kimball and Margy Ross (2013, ISBN 9781118530801).

Rasmus Skytte Randløv

SCDB

Easily Access and Maintain Time-Based Versioned Data
(Slowly-Changing-Dimension)

Marcus Munch Grünewald

Lasse Engbo Christiansen

Sofia Myrup Otero

Kim Daniel Jacobsen

Statens Serum Institut 

digest_to_checksum function

<dl><dt>.data</dt>
<dd>(<code>data.frame(1)</code>, <code>tibble(1)</code>, <code>data.table(1)</code>, or <code>tbl_dbi(1)</code>) 
Data object.</dd>
<dt>col</dt>
<dd>(<code>character(1)</code>) 
Name of the column to put the checksums in. Will be generated if missing.</dd>
<dt>exclude</dt>
<dd>(<code><a href="/link/character()?package=SCDB&version=0.6.0" data-mini-rdoc="SCDB::character()">character()</a></code>) 
Columns to exclude from the checksum generation.</dd>
<dt>warn</dt>
<dd>(<code>logical(1)</code>) 
Warn if <code>col</code> exists in the input data?</dd></dl>

Arguments

Computes an checksum from columns — digest_to_checksum

<dl>

<dt>.data</dt>
<dd>(<code>data.frame(1)</code>, <code>tibble(1)</code>, <code>data.table(1)</code>, or <code>tbl_dbi(1)</code>) 
Data object.</dd>


<dt>col</dt>
<dd>(<code>character(1)</code>) 
Name of the column to put the checksums in. Will be generated if missing.</dd>


<dt>exclude</dt>
<dd>(<code><a href='https://rdrr.io/r/base/character.html'>character()</a></code>) 
Columns to exclude from the checksum generation.</dd>


<dt>warn</dt>
<dd>(<code>logical(1)</code>) 
Warn if <code>col</code> exists in the input data?</dd>

</dl>

Computes an checksum from columns

digest_to_checksum: Computes an checksum from columns

Description

Usage

Value

Arguments

Details

Examples