User Guide

10 Sorting and S
electing Data 205
SortingData............................................... 205
Split-FileProcessing......................................... 206
SortingCasesforSplit-FileProcessing ....................... 209
TurningSplit-FileProcessingOnandOff ...................... 209
SelectingSubsetsofCases.................................... 210
SelectingCasesBasedonConditionalExpressions.............. 211
SelectingaRandomSample ............................... 211
Selecting a T
imeRangeorCaseRange ....................... 212
UnselectedCases....................................... 214
Case Selecti
onStatus........................................ 214
11 Additional Statistical P rocedures 217
SummarizingData........................................... 217
Frequencies............................................ 218
Explore ............................................... 220
MoreaboutSummarizingData.............................. 222
Comparing M
eans .......................................... 222
Means................................................ 223
Paired-SamplesTTest.................................... 224
MoreaboutComparingMeans ............................. 226
ANOVAModels............................................. 226
UnivariateAnalysisofVariance............................. 226
Correlatin
gVariables ........................................ 228
Bivariate Co
rrelations.................................... 228
PartialCorrelations...................................... 228
Regression A
nalysis......................................... 230
Linear Regre
ssion....................................... 230
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