lag_by_group

See https://book.declaredesign.org/observational-causal.html#difference-in-differences

Helper functions to accompany the Blair, Coppock, and Humphreys (2022) "Research Design in the Social Sciences: Declaration, Diagnosis, and Redesign" <https://book.declaredesign.org>. 'rdss' includes datasets, helper functions, and plotting components to enable use and replication of the book.

Graeme Blair

rdss

Companion Datasets and Functions for Research Design in the
Social Sciences

Alexander Coppock

Macartan Humphreys

lag_by_group function

<dl><dt>x</dt>
<dd>Vector of values</dd>
<dt>groups</dt>
<dd>Grouping variable</dd>
<dt>n</dt>
<dd>Positive integer of length 1, giving the number of positions to lead or lag by</dd>
<dt>order_by</dt>
<dd>Ordering variable withing group (e.g., time)</dd>
<dt>default</dt>
<dd>Value used for non-existent rows. Defaults to NA.</dd></dl>

Arguments

Generate lags in grouped data — lag_by_group

<dl>

<dt>x</dt>
<dd>Vector of values</dd>


<dt>groups</dt>
<dd>Grouping variable</dd>


<dt>n</dt>
<dd>Positive integer of length 1, giving the number of positions to lead or lag by</dd>


<dt>order_by</dt>
<dd>Ordering variable withing group (e.g., time)</dd>


<dt>default</dt>
<dd>Value used for non-existent rows. Defaults to NA.</dd>

</dl>

lag_by_group: Generate lags in grouped data

Description

Usage

Value

Arguments