merge2

Merge a list of data.frames by common columns or row names.

Miscellaneous functions used for x-engineering (feature engineering) or
for supporting in other packages maintained by 'Shichen Xie'.

Shichen Xie

xefun

X-Engineering or Supporting Functions

merge2 function

<dl><dt>datlst</dt>
<dd>a list of data.frames.</dd>
<dt>by</dt>
<dd>A vector of shared column names in x and y to merge on. This defaults to the shared key columns between the two tables. If y has no key columns, this defaults to the key of x.</dd>
<dt>all</dt>
<dd>logical; all = TRUE is shorthand to save setting both all.x = TRUE and all.y = TRUE.</dd>
<dt>...</dt>
<dd>Additional parameters provided in the merge function.</dd></dl>

Arguments

merge data.frames list — merge2

<dl>

<dt>datlst</dt>
<dd>a list of data.frames.</dd>


<dt>by</dt>
<dd>A vector of shared column names in x and y to merge on. This defaults to the shared key columns between the two tables. If y has no key columns, this defaults to the key of x.</dd>


<dt>all</dt>
<dd>logical; all = TRUE is shorthand to save setting both all.x = TRUE and all.y = TRUE.</dd>


<dt>...</dt>
<dd>Additional parameters provided in the merge function.</dd>

</dl>

merge2: merge data.frames list

Description

Usage

Arguments