SPSS 15- Βιβλίο
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SPSS 15
STATISTICAL PACKAGE for the
SOCIAL SCIENCES
BSc in Statistics
Email: [email protected]
2008
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1.1 ......................................................................4
1.2 ............................................5
1.3 ............................................................6
2.1 SPSS ...............................................................................................72.2 SPSS ......................................................8
2.3 Select Cases ..........................................................................................12
2.4 Transform ..........................................................................................13
2.5 Analyze ..........................................................................18
3.1 ..........................................................................21
3.2 .......................................................................................................24
3.3 .........................................................................................29
3.4 ....................................................................................................32
3.5 ..................................36
3.6 ...................................................................40
3.7 2 ..................................424.1 (t
Wilcoxon ) ...........................................................................................................48
4.2
(t Mann-Whitney-Wilcoxon ).............................................................51
4.3
(t Wilcoxon )..............................55
5.1 .......................................................58
5.2 .....................................................................................58
5.3 ...........................................................................62
5.4 ...................................................................66
6.1 (One way ANOVA)...................70
6.2 Welch Brown-Forsythe....75
6.3 ( Kruskal-Wallis).............77
..............................................................................................................79
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1.1
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(study population) (sampling
frame) .
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, 3 .
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, (-
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- (retrospective or case-control studies).
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Doll & Hill 40637 10 (Br.
Med. J. 1964).
.
(case-control studies).
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2.1 SPSS
SPSS,
.
SPSS () windows.
all programs SPSS for Windows SPSS15 forWindows, .
1
,
(Data Editor), MS Excel,
2.
SPSS .
Run the tutorial SPSS. help.
.
Type in data Data Editor.
SPSS . (
Cancel)
Run an existing query ()
.. MS Excel. .
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Create new query using Database Wizard
.
Open an existing data source () SPSS
. MoreFiles
SPSS.
sav.
Open another type of file More Files SPSS.
Dont show this dialogue in the future SPSS.
2
2.2 SPSS
Data Editor SPSS
.
. MS
Office. E
: File, Edit, View, Data, Transform, Analyze,
Graphs, Utilities, Add-ons, Window Help.
, , , .
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--.
SPSS Processor is ready.
.
SPSS , ,
. .
var.
. Data View
Variable View..
. Excel,
.
EnterTab.
3
4.
Name.
Data Editor. , , ,
.
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4
(Type)
5.
Data Editor. Data Editor,
. Numeric
. String
. Width
Decimal Places
. 4
,
. Label.
SPSS .
.
Options
Edit.
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5
Values 6.
SPSS.
.
SPSS Data Editor
. 0 1 .
SPSS. 0
Value.Value Label
man.Add
. .
.
.
6
Missing.
. 7.
.
Likert 1 5
1 5.
. Columns Align
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, .
,
. > , < , >= ,
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Function group,
, . ,
.
.
,
.
10
.
: 20 90+ .
7 .
(
), . Recode into Same
Variables, Recode into Different Variables.
,
11.
12.
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11
12
.
Old and New Values
.
13. OldValue
. Range
. 20 30. 20 30
.
.
. ,
.
New Value.
Value.
1.
Add SPSS.
. .
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, .
Continue 12
11. Output Variable
(
). Change.
SPSS Data Editor
. SPSS
.
20 29 1 ( 30
,
). 30 39 2.
Data Editor Variable
View, .
Values
. 1
( 6) ages between 20 and 30.
.. 1, 2, 3, ... 1
.
(
6).
13
, If 14.
. 10
,
.
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14
Rank Cases.
15.
.
.
SPSS 1
2 .
Rank Types.
Ties SPSS
. .
.
5 6. SPSS
, 5.5
.
15
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2.5 Analyze
AnalyzeData Editor
.
File, /
.
Edit, .. Options
16.
SPSS .
16
View,
. Data
(),
, ..
Transform.
Analyze SPSS
.
Graphs.
Utilities, ..
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Add-ons SPSS.
Window split .
(Help).Analyze
.
17
Analyze
:
Reports:
.
Descriptive Statistics: , , ..
Tables: .
Compare Means: . .
General Linear Model: . .
Generalized Linear Models: .
Mixed Models: .
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Correlate: ,
Regression: , ..
Loglinear: .
Classify: .
Data Reduction: ,, .
Scale: ,
, .
Nonparametric Tests: . .
Time Series:
.Survival: .
Multiple Response: (0 1 )
.
Missing Value Analysis: .
Complex Samples: .
Quality Control: .
ROC Curve: .
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3.1
o SPSS,
,
.
SPSS (Cars.sav).
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50% .
25%
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AnalyzeDescriptive StatisticsDescriptives
18.
.
. Options
19
.
18
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(mean), (Std. deviation), (Minimum)
(Maximum) SPSS.
Display Order.
19
Continue.
18.
(Save standardized values as variables).
SPSS
.
. : (-)/, ,
. OK.
SPSS, Output.
Syntax ()
SPSS Output .
Edit Options.
16. Draft Viewer
.
Display commands in log.
Descriptive Statistics
400 184 46 230 41933 104.83 1.926 38.522 83.949 1.044 .122 .591 .243
406 451 4 455 78781 194.04 5.221 105.207 068.589 .692 .121 -.791 .242
400
Horsepower
Engine Displace
(cu. inches)
Valid N (listwise)
Statistic Statistic Statistic Statistic Statistic Statistic td. Error Statistic Statistic Statistic Std. Error Statistic Std. Error
N Range Minimum aximum Sum Mean Std. Variance Skewness Kurtosis
1:
:
(N), (Range) (Minimum) (Maximum).
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(Sum), (Mean)
(Std. Error).
(N).
.
. (skewness) .
.