Sri Lanka - Census of Agriculture - 2002 (Operator Basis Data)

Data editing took place at a number of stages throughout the processing, including:

a) Manual editing and coding
b) During data entry (Range edits)
c) Computer editing - Structural and consistency
d) Secondary editing
e) Imputations

Detailed documentation of the editing of data can be found in the "Data processing guidelines" document provided as an external resource. -To data entry and computer editing used IMPS software package developed by the US Bureau of the Census.

Data were processed in baches, with each bach being processed as a complete unit through each stage of data processing. Each bach goes through the following steps:
1) Questionnaire reception
2) Manual editing and coding
3) Data entry
4) Verification entry
5) Computer editing
6) Comparison of verification data
7) Back up of raw data
8) Secondary editing
9) Edited data back up

After all baches are processed, all data is concatenated together and then the following steps are completed for all data files:
10) Recoding of variables needed for analysis
11) Adding of sample weights
12) Tabulations

All tabulations were done by the using IMPS software package developed by the US Bureau of the Census.