SPSS for Beginners - مواقع اعضاء هيئة التدريس | KSU...
Transcript of SPSS for Beginners - مواقع اعضاء هيئة التدريس | KSU...
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Contents
• SPSS interface: – Data view and Variable view
• How to enter data in SPSS• How to import external data into
SPSS• How to clean and edit data• How to get descriptive statistics
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SPSS interface
• Data view– The place to enter data– Columns: variables– Rows: records
• Variable view– The place to enter variables– List of all variables– Characteristics of all variables
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Enter data in SPSS directly
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Example: Hospital-stay data
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Columns:
variables
Rows: cases
Under Data View
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Enter Variables
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1. Click this Window
1. Click Variable View2. Type variable name
under Name column (AGE).
NOTE: Variable name can be 64 bytes long, and the first character must be a letter or one of the characters @, #, or $.
3. Type: Numeric, string, etc.
4. Label: description of variables.
2. Type variable
name3. Type:
numeric or string
4. Description of variable
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Enter variables
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Based on your code book!
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Enter cases
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Import data from Excel• Select File Open Data• Choose Excel as file type• Select the file you want to import• Then click Open
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Open Excel files in SPSS
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Continue
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Save this file
as SPSS data
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Clean data after import data files
• Run cases summaries for all variables• Run frequency for qualitative variables and
Descriptives for quantitative variables • Check outputs to see if you have variables
with wrong values.• Check missing values and physical surveys
if you use paper surveys, and make sure they are real missing.
• Sometimes, you need to recode string variables into numeric variables
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cases summaries
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Basic Statistical Analysis
• Descriptive statistics:1. Find wrong entries2. Have basic knowledge about the
sample and targeted variables in a study
3. Summarize data.
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Analyze Descriptive statistics Frequency
Qualitative Variables
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Analyze Descriptive statistics Descriptives
Quantitative Variables
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Histogram Box-PlotAGE
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Duration of StayHistogram Box-Plot