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Data Processing

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Contact us at the Sigma Research office nearest to you or submit a business inquiry online.

Works quickly and accurately. The last experience to do research in a tight deadline ahead of the launch of National Health Jamina (JKN), but can provide accurate results and satisfy UNDP partners with the Ministry of Health.

Deni Ahmad Fauzi
Program Manager , UNDP (United Nation for Development Program)


Once data have been collected, several steps typically precede data analysis. These step include editing (editing invloves examining each compeleted questionnaire to determine whether the proper sequence of questions was asked and whether answer given to closed-ended questions were correctly marked), data entry (organizing responses into categories is the process), tabulation (marely a frequency count of each question’s answers), and cross tabulation (simultaneous tabulation of responses to two questions) (Crask Melvin, et al. 1995)

Sigma Research has a team of specialists in data coding, data entry, tabulation data, and data analysis. Equipped with modern statistical programming applications that will assist with the processing of survey data quickly and valid, such as: SPSS Data Entry, CS Pro, and Epi Data.

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