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Transforming data into information
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Turning data into information is just a beginning
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Data - This can be described as the raw data that would typically support or part of an operational processes. Information - Transformed information is consumable for reporting and analytical needs. - "What does it mean?" Knowledge - Taking the Information we have prepared in the previous step and enriching it with relationships and correlations that start to "tell the story" of what the data contains. - "What do we already know and why?" Intelligence - The holy grail, we have leveraged all the previous stages to put all this data to address the problems/issues or challenge - "What do we do?"
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Stages of data analysis
Editing Coding Data file Analysis approach Descriptive analysis Univariate analysis Bivariate analysis Multivariate analysis
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Editing The process of checking the completeness, consistency, and legibility of data and making the data ready for coding and transfer to storage.
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Field Editing Field supervisors often are responsible for conducting preliminary field editing on the same day as the interview. Field editing is used to Identify technical omissions such as a blank page on an interview form Check legibility of handwriting for open-ended responses Clarify responses that are logically or conceptually inconsistent.
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in-house editing Editing for Completeness
A rigorous editing job performed by a centralized office staff Editing for Completeness item nonresponse Plug value Impute Editing Questions Answered Out of Order
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Facilitating the Coding Process
Eding and Tabulating “DON’T KNOW” answer Pitfalls of editing Pretesting edit
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Coding Qualitative Responses
Unstructured qualitative responses (Long Interviews) Structured qualitative reponse dummy coding Numeric “1” or “0” coding where each number represents an alternate response such as “female” or “male.” Data file terminology The way a data set is stored electronically in spreadsheet-like form in which the rows represent sampling units and the columns represent variables.
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Summary Know when a response is really an error and should be edited
Appreciate coding of pure qualitative research Understand the way data are represented in the data file Understand the coding structure of responses including a dummy variable approach Appreciate the ways that technological advances have simplified
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