06 quantitative data processing
TRANSCRIPT
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ByDr. E. Kanagaraj
Department of Social WorkSchool of Social Sciences
Mizoram UniversityAizawl -796 009.
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DataWhat is Data?What are its Types?Primary vs SecondaryQuantitative Vs Qualitative
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Types of Data
Primary Data and Secondary Data :
Crossectional, Time Series and Pooled Data
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VariableWhat is Variable?Continuous and DiscreteMetric and Non-metricIndependent, Dependent and Mediating
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Data ProcessingEditing Coding : Code Book Data Entry: Master Chart Data Cleaning
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Why Computer in Data Processing and AnalysisTimeResourcesEnergyErrorsUse of Advanced Tools
Multivariate TechniquesDifficult?
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CodingAssigning numerals and LabelingStructured, Pre-coded InstrumentsUnstructured QuestionsCoding according to research objectiveNumerical coding most appropriate
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Data EntryMaster Chart or Table Variables in Column Cases in RowsData entry in Ms Excel Integration of Code Book and MasterReading Excel Data in SPSS
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Data CleaningCorrecting Errors in Data Entry
Maximum, Minimum, Frequency etc
Sorting and Correcting
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Data AnalysisWhat is analysisExplaining the one with the otherAssociation Relationship: Linear vs Non linearComparison: Two or More GroupsHypothesis Testing
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Choice of TechniquesSampling Design : Random Vs Non random
Nature of Variable : Nominal, Ordinal, Interval
Number of VariablesNumber of Cases : Sample Size
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Descriptive StatisticsAim to describe the characteristics
Measures of Central Tendency
Measures of Dispersion
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Inferential StatisticsParameter – Population measureStatistic – Sample measureUnivariateBivariateMultivariate
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THANK YOU