.required

internal

Creates a data specification that describes the columns of a
table (data.frame). Provides methods to read, write, and update the
specification. Checks whether a table matches its specification. See
specification.data.frame(),read.spec(), write.spec(), as.csv.spec(),
respecify.character(), and %matches%.data.frame().

Tim Bergsma

spec

A Data Specification Format and Interface

.required function

<dl><dt>x</dt>
<dd>object</dd>
<dt>...</dt>
<dd>dots</dd></dl>

Arguments

Make Required — .required

<dl>

<dt>x</dt>
<dd>object</dd>


<dt>...</dt>
<dd>dots</dd>

</dl>

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.required: Make Required

Description

Usage

Arguments

See Also