Statistical officer/Data analyst performs technical tasks connected with data collection and quality control operations in census and survey operations. He/she collects, inspects, cleans, transforms, validates and models collections of data with regard to the requirements of the project. He/she performs mathematical, actuarial, statistical and related calculations using different IT tools and algorithms as demanded by the situation and data, and prepares these results in graphical or tabular form. He/she ensures that data sources and repositories provide consistent and reliable data.