<record id="account_move_line_graph_date" model="ir.ui.view">
<field name="name">account.move.line.graph</field>

<field name="model">account.move.line</field>

<field name="arch" type="xml">

<graph string="Account Statistics" type="bar">

<field name="date"/>

<field name="balance" operator="+" type='measure'/>

</graph>

</field>

</record>