Table 5 Procedure for the estimation of the total number of data workers Procedure for the estimation Number of data workers - Absolute number Data inputs Calculation procedure Segmentation Output / Indicator ISCO occupation codes where data Selection of the ISCO occupations This is the perimeter where data workers are at 4 digit disaggregation workers may be present, 2014 where data workers may be present classified By countries and EU total, ILO, occupation data for the total of To be crossed with 21 ISCO minor sections of the NACE This is the quantitative perimeter where we the economic activities ; Eurostat ad groups (3 digits; data at 4 digit are not classification of economic have to detect the data workers hoc basis: employed in 28 countries available) activities By countries and EU Matrix 21 selected ISCO-08 crossed We need to make ad hoc assumptions These are the quantitative shares of data sections of the NACE with 11 sections of NACE economic to fix the % of each ISCO code that we workers in different groupings of selected classification of economic activities for 28 countries estimate to be data workers ISCO-08 codes activities We assume there are 3/5 possible % values of data workers in each ISCO minor group (3 digit) We regroup selected ISCO-08 codes These are the homogenous occupational into 3 to 5 occupational clusters with clusters differing data worker intensity Validation by experts of both the % values and the code allocation Estimation of data workers by countries By countries and EU total, This is the matrix of data workers by NACE and for each 21 minor group by sections of the NACE sections and countries and the derived vector applying pre-defined shares to classification of economic of data workers by countries homogeneous occupational clusters activities
Table 5 Procedure for the estimation of the total number of data workers Procedure for the estimation Number of data workers - Absolute number Data inputs Calculation procedure Segmentation Output / Indicator ISCO occupation codes where data workers may be present, 2014 Selection of the ISCO occupations where data workers may be present at 4 digit disaggregation This is the perimeter where data workers are classified ILO, occupation data for the total of the economic activities ; Eurostat ad hoc basis: employed in 28 countries To be crossed with 21 ISCO minor groups (3 digits; data at 4 digit are not available) By countries and EU total, sections of the NACE classification of economic activities This is the quantitative perimeter where we have to detect the data workers Matrix 21 selected ISCO-08 crossed with 11 sections of NACE economic activities for 28 countries We need to make ad hoc assumptions to fix the % of each ISCO code that we estimate to be data workers By countries and EU sections of the NACE classification of economic activities These are the quantitative shares of data workers in different groupings of selected ISCO-08 codes We assume there are 3/5 possible % values of data workers in each ISCO minor group (3 digit) We regroup selected ISCO-08 codes into 3 to 5 occupational clusters with differing data worker intensity These are the homogenous occupational clusters Validation by experts of both the % values and the code allocation Estimation of data workers by countries and for each 21 minor group by applying pre-defined shares to homogeneous occupational clusters By countries and EU total, sections of the NACE classification of economic activities This is the matrix of data workers by NACE sections and countries and the derived vector of data workers by countries
EDM_D2_Methodology_Report_July_25_3_1_final_gm_EC_02_08_2014.docx