Nigeria - SOCIO ECONOMIC SURVEY, CROP-2005 (PRIVATE FARMERS), Second round

DATA PROCESSING/ANALYSIS PLAN
The data processing and analysis plan involved five main stages: training of data processing staff; manual editing and coding; development of data entry programme; data entry and editing and tabulation. Integrated Micro Prossor System (IMPS) and ACCESS software were used for data entry, Statistical Package for Social Sciences (SPSS) and Censuses and Surveys Processing System (CSPro) for editing and a combination of SPSS, Statistical Analysis Software (SAS) and EXCEL for table generation. The subject-matter specialists and computer personnel from the NBS and CBN implemented the data processing work. Tabulation Plans were equally developed by these officers for their areas and topics covered in the three-survey system used for the exercise.
The data editing is in 2 phases namely manual editing before the data entry were done. This involved using editors at the various zones to manually edit and ensure consistency in the information on the questionnaire. The second editing is the computer editing, this is the cleaning of the already enterd data.
The completed questionnaires were collated and edited manually
(a) Office editing and coding were done by the editor using visul contro of the questionnaire before data entry
(b) Imps was used to design the data entry template provided as external resource
(c) Ten operator plus two suppervissor and two progammer were used
(d) Ten machines were used for data entry
(e) After data entry data entry supervisor runs fequency on each section to see that all the questionnaire were enterd
(f) Conversion progarm was written to convert the data to spss also provided.

The data processing analysis involved Six main stages:
Development of data entry program with IMPS;
Training of data processing staff;
Manual editing and coding;
Data entry;
Computer editing, verification and conversion
Table generation.
The questionnaires were processed at the zones. On completion, computer editing was also carried out to ensure the integrity of the data.
SPSS (a Statistical package) was used in the analysis and Table generation.