Weighting probability survey data often, but not always, has three stages: (1) a design weight to correct unequal probabilities of selection (2) a nonresponse weight and (3) calibration to population totals. This live online course provides a thorough view of these stages, including pros/cons and best practice. (Advanced Level) * Price: £190 for SRA members, £245 for non-members. It runs over two afternoons and uses Zoom software *