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The Data Science Division (DSD) is amongst key divisions at Statistics Sierra Leone (Stats SL). Fundamentally, DSD is established to scientifically process essentially quantitative data and provide preliminary analyses for all censuses and surveys. DSD which now constitutes Data Processing and Information Technology (DP&IT) and the Data Mining and Data Visualization (DM&DV) sections, is headed by a director with a minimum of eight years of experience in a national statistics environment.

The largest section of DP&IT constitutes the following three units:

1.    Data Capture & Maintenance

2.    Data Programming and

3.    Information Technology

The DM&DV section constitutes two units:

1.    Data Mining

2.    Data Visualization

Overall, the key objectives of DSD are as follows:

  • To participate in data collection training, receive and prepare questionnaires for data capture
  • To design data capture templates for surveys and censuses and train data entry operators in the use of designed templates
  • To edit  and verify codes in administered questionnaires prior to data capture
  • To capture all censuses and survey data from administered questionnaires and ensure data cleaning through consistency checks for the production of a final data file used for analyses
  • To generate tables and charts as prescribed by a survey / census tabulation plan
  • To manage Stats SL’s IT needs and facilitate the provision of internet services in all Stats SL offices
  • To provide ICT support services  including the periodic maintenance and installation of anti-virus to all Stats SL’s computers
  • To visualize and interpret censuses and survey results.

    Ibrahim G. Kargbo       Director Data Science Division