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