XSLT group by and then copy child node by "n" number of times - group-by

Question

I need to group the company and the maximum number the node row can occur in the new node group is 3.
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:decimal-format name="coerce" NaN="0"/>
<xsl:template match="/root">
<root>
<!--Group by fields, can only group by 1 element each time-->
<xsl:for-each-group select="row" group-by="Company">
<xsl:for-each-group select="current-group()" group-by="Department">
<xsl:for-each select="current-group()">
<!--Create a variable for the row count-->
<xsl:variable name="Grpcounter" select="number(position())"/>
<xsl:if test="$Grpcounter < 3">
<xsl:call-template name="Group">
</xsl:call-template>
</xsl:if>
</xsl:for-each>
</xsl:for-each-group>
</xsl:for-each-group>
</root>
</xsl:template>
<xsl:template name="Group">
<xsl:copy-of select="."/>
</xsl:template>
</xsl:stylesheet>

Answer 1

could you pls update your xslt as follows:
replace: <xsl:template match="/root"> . . . </xsl:template> with
<xsl:template match="/root">
<xsl:variable name="grouped">
<!--Group by fields, can only group by 1 element each time-->
<xsl:for-each-group select="row" group-by="Company">
<!--<xsl:for-each-group select="current-group()" group-by="Department">-->
<xsl:for-each select="current-group()">
<xsl:choose>
<xsl:when test="position() mod 3 = 1">
<Group>
<xsl:call-template name="Group"/>
</Group>
</xsl:when>
<xsl:otherwise>
<Group1>
<xsl:call-template name="Group"/>
</Group1>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
<!--</xsl:for-each-group>-->
</xsl:for-each-group>
</xsl:variable>
<root>
<xsl:for-each-group select="$grouped/*" group-starting-with="Group">
<Group>
<xsl:copy-of select="current-group()/row"/>
</Group>
</xsl:for-each-group>
</root>
</xsl:template>
to get your expected output. See result