Description of node <>

Subject Predicate Object <p>The different stages of the survey ensure that the process meets the requirements for statistical production:<br />- tests carried out upstream of the collection, with 51 companies;<br />- stratified sampling;<br />- reminders and controls of data being collected;<br />- data cleaning;<br />- correction of overall non-response;<br />- calibration;<br />- correction of partial non-response.</p>