The information in this directory is intended to give users an overview of each procedure, and some sample programs that can be used to derive the statistic(s) involved. It is offered with no guarantees as to its completeness or accuracy (though every attempt is made to make it accurate). Responsibility for the choice, derivation and interpretation of statistics lies with the users themselves, and their faculty advisors and colleagues.
The entries in this directory are prepared and maintained by the ITS Senior Statistics consultant, with input from other ITS full- time staff, faculty, and published sources. Personal and published sources are credited whenever possible.
Suggestions and comments are always welcome. This Web space is maintained by Mushtaq Khan, Customer Services Consultant for ITS. Please address comments, questions and suggestions to <mkhan@usc.edu> (213/740-5555).
Analysis of Variance
Analysis of Variance (General)
Analysis of Variance with Unequal Groups
ANOVA with Heterogeneous Variances
Analysis of Variance (Repeated Measures) with No
Contrasts -- Comparing Selected
Groups in ANOVA
Coding and Using Dummy Variables
Repeated Measures Analysis -- Data Setup
Paired T-Test
Correlation
Correlation: Pearson Product-Moment Coefficient
Correlation: Point-Biserial
Correlation: Rank (Spearman)
Reliability analysis (including
Cronbach's Alpha)
TOBIT Analysis using SAS
LOGIT Analysis using SAS
Comparing two regression lines
statistically
Confidence Intervals for Percentages
(portions of samples)
Calculations Using only Summary Data
(Mean, Standard
Missing Values -- Replacing, Imputing, etc. USCweb | ITS User Services | ITS Help | Statistics Help Documents