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Samenvatting SPSS volledig leerpad + tips! (voor openboekexamen)
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Les 1 .................................................................................................................................................... 51. SPSS ............................................................................................................................................. 5
1.1 Inleiding .................................................................................................................................. 5
1.2 De eerste keer SPSS: het ‘Welcome Dialog’-venster .................................................................. 5
1.3 Werkomgeving SPSS ................................................................................................................ 5
1.3.1 Data Editor ........................................................................................................................ 5
1.3.2 Viewer ............................................................................................................................... 6
1.3.3 Syntax ............................................................................................................................... 7
1.3.4 Samengevat ...................................................................................................................... 7
1.4 Introductie tot SPSS ................................................................................................................. 7
1.4.1 wat is spss Syntax.............................................................................................................. 8
1.4.2 Voordelen SPSS ................................................................................................................. 9
1.5 Syntax schrijven en uitvoeren ................................................................................................. 10
1.5.1 syntax schrijven ............................................................................................................... 10
1.5.2 Aandachtspunten ............................................................................................................ 11
1.5.3 Syntax uitvoeren .............................................................................................................. 11
1.5.4 fouten in syntax ............................................................................................................... 12
2.2 Data invoeren en documenteren ............................................................................................. 13
2.2.1 data manueel invoeren .................................................................................................... 13
2.2.2 importeren van data bestanden........................................................................................ 14
2.2.3 importeren van tekstbestanden........................................................................................ 15
2.3 Data documenteren ............................................................................................................... 19
2.3.1 Variabele labels ............................................................................................................... 22
2.3.2 Value labels .................................................................................................................... 22
2.3.3 Missing values ................................................................................................................. 24
2.3.4 Samengevat .................................................................................................................... 25
2.4 datasets samenvoegen .......................................................................................................... 25
2.4.1 add cases ....................................................................................................................... 26
2.4.1 add variables ................................................................................................................... 28
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,3. data verkennen ........................................................................................................................ 30
3.2 Codebook.............................................................................................................................. 30
3.3 Frequentietabel .................................................................................................................... 33
3.4 Beschrijvende statistiek ......................................................................................................... 37
3.5 Grafieken............................................................................................................................... 41
3.6 Normaliteit van variabelen...................................................................................................... 45
3.7 Significantie van een proportie................................................................................................ 49
3.8 Significantie van een gemiddelde ............................................................................................ 53
4.1 Data bewerken ...................................................................................................................... 56
4.2 Type en format van een variabele ............................................................................................ 57
4.3 Recode .................................................................................................................................. 58
4.4 Compute ............................................................................................................................... 63
4.5 Aggregate .............................................................................................................................. 68
4.6 Sort cases ............................................................................................................................. 70
4.7 Select cases .......................................................................................................................... 71
4.8 Split file ................................................................................................................................. 75
4.9 Do if .................................................................................................................................. 77
4.10 Do repeat............................................................................................................................. 81
5.1 Inleiding ................................................................................................................................ 84
5.2 Verband tussen twee categorische variabelen......................................................................... 85
5.2.1 Kruistabel maken en interpreteren ................................................................................... 85
5.2.2. Controleren voor een derde variabele .............................................................................. 90
5.3. Proporties vergelijken ............................................................................................................ 93
5.4. Gemiddelden vergelijken ....................................................................................................... 96
5.4.1. Twee gemiddelden vergelijken: Independent samples t-test ............................................. 97
5.4.1. Meer dan twee gemiddelden vergelijken: One-Way ANOVA............................................. 100
5.5. Verband tussen twee kwantitatieve variabelen ..................................................................... 104
5.5.1. Scatterplot ................................................................................................................... 104
5.5.2. Correlatiecoëfficiënt ..................................................................................................... 107
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, 5.5.3. Bivariate lineaire regressie ............................................................................................ 109
5.6. Multivariate lineaire regressieanalyse .................................................................................. 114
5.6.1. Toevoegen van onafhankelijke kwantitatieve variabelen ................................................. 115
5.6.1. Toevoegen van onafhankelijke categorische variabelen ................................................ 121
5.7. Data wegen ........................................................................................................................ 126
In SPSS .................................................................................................................................. 128
5.8. Resultaten en grafieken exporteren...................................................................................... 129
Besluit .......................................................................................................................................... 130
6.1. Help? ............................................................................................................................... 130
6.2. Tips .................................................................................................................................. 130
Les 2 ................................................................................................................................................ 131
7. Introductie ............................................................................................................................ 131
8. Datamanipulatie: introductie ................................................................................................. 131
8.1 Recode ............................................................................................................................ 133
8.2 Compute.......................................................................................................................... 138
8.3 Aggregate ......................................................................................................................... 142
8.4 Sort cases ........................................................................................................................ 144
8.7 Select cases..................................................................................................................... 145
8.5 Split file............................................................................................................................ 150
8.6 Do if ................................................................................................................................. 153
8.7 Do repeat ......................................................................................................................... 156
8.9 Count .............................................................................................................................. 158
9. Verband tussen twee categorische variabelen ........................................................................ 160
9.1 Kruistabel maken en interpreteren .................................................................................... 160
9.2 Controleren voor een derde variabele ................................................................................ 165
9.3 Proporties vergelijken ....................................................................................................... 167
9.4 Gemiddelden vergelijken .................................................................................................. 171
9.5 Verband tussen twee kwantitatieve variabelen................................................................... 179
9.6 Multivariate lineaire regressieanalyse ................................................................................ 191
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, 9.7 Data wegen ...................................................................................................................... 202
9.8 Resultaten en grafieken exporteren ................................................................................... 206
Tips........................................................................................................................................... 207
Les 3 ................................................................................................................................................ 208
10. Regressierechte ................................................................................................................... 208
10.1 Regressievergelijking y = a + bx ........................................................................................ 210
11. Tijdreeksen .......................................................................................................................... 213
11.1 Zelf een tijdreeks aanmaken in SPSS ............................................................................... 213
11.2 Coëfficiënten voor de vergelijking opvragen ..................................................................... 214
11.3 Voorspellingen maken .................................................................................................... 216
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