- a suitable roughly rescale
- Transforming data (normal distribution)
- Within and between group analysis for dichotomous data
- Simple Regression Questions
- Westinghouse Rules
- HLM Question
- What test should I use?
- help with decided what tests to use
- Repeated measures problem in SPSS
- Confidence Interval on Estimated Data
- Regression
- Really basic Chi-Squared goodness of fit question
- Statistics problem (probability) - please help
- ANCOVA post hocs?
- The one who solves this stats problem will be a genius for me.
- PCA questions
- F- tests?
- Anova
- ANOVA or ANCOVA
- Two-tail test and One-tail test....
- HELP with confidence intervals!
- First time I have ever been stumped
- Stats Project
- Z-Score for Biserial Correlation
- Regression with dummy variables
- Help!! Show me where i'm messing up!!
- comparing two data sets of variance
- Dummy Coding
- Massive difference in means but not significant
- transformation to chi-square distribution (to find confidence interval)
- I need help with a problem
- Help please!!!
- ANOVA's normality assumptions
- Experimental units in Completely Randomised Design(CRD)
- elementary question about SE
- Help! Not normal distribution inference statistics
- Urgent help with degrees of freedom!
- Finding correlation
- Sampling - Total probability of accepting bad lot
- Comparing statistical methods
- Post hoc tests on repeated measures with two between subjects factors?
- T-stats
- What model does this fit in? URGENT HELP PLEASE
- theoretical/practical importance of variance?
- Sample size and power analysis
- T-tests
- Comparing 2 percentages - how?
- finding observance significance level
- confused w/ binomial distrubition
- Help !
- Percentiles
- Permutation and proportions
- P-Values
- Experimental Design and Treatment with Different Conditions
- Regression Analysis
- Case Study: Professional Sales. Lost and Need Help
- randomization question
- Need help on a few problems...
- null hypothesis and two-tailed testing
- Im not good at stat can someone help me?
- Kaplan-Meier vs Nelson-Aalen
- Statistics project: hypothesis testing
- Mixed Three Factor ANOVA, Mauchly problem please help!
- Omg!! I have been up for over 12 hours trying to do this. I am stumped. Please help!
- Adjusted t-test
- HELLLLP!!! ranking/rating stats help needed :(
- T-tests or what?
- Would a MANCOVA be appropriate for this situation?
- Not sure what test to use in SPSS?
- Cochrane-Orcutt
- binary logistic regression: distribution of the dependent variable
- Sample size for a nominal data survey (sort of)
- is a paired sample better?
- guidance on selecting doc
- simple normal distribution question
- finding p-value
- Detemining Sample and Expert size
- naming w/ factor analysis
- Testing for differences between ordinal variables?
- Remove fixed effects (time demeaned variables)
- ANOVA - strength of correlation question
- Lots of help needed with RM ANOVA
- Why is Z0.05 = 1.645?
- Chi square goodness of fit test
- Normality
- types of test statistics
- How to calculate the observed information matrix of multivariate normal distribution?
- What is Frequentist Statistics
- manova help??
- A problem about poisson process
- comment représenter graphiquement ce constat?
- Confidence interval/Hypothesis testing...
- relationship between CI and sample sizes
- Relation between gamma function and exponential function
- chi square
- Should I use Kruskal-Wallis?
- using different test statistics (in general)
- Normality in Principal Component Analyses
- Obtaining Residuals in Chi Square Goodness of Fit
- Effect Size
- Differences between 3 categories based on continuous and categorical predictors
- Similarity of data sets
- May need some help!
- Hypothesis Testing with the Z Distrubtion
- Conditional Predictive Ability Test - please help!
- Mediator and mediating effects
- HELP-Tukeys test
- Question regarding interaction terms in a nested ANOVA
- Coefficient of variation
- newbie question about questionnaires
- linear mixed models without the intercept
- OLS assumptions after estimating robust standard errors
- Interpreting a moderation effect
- question about confidence interval
- Confidence Intervals, Test of Significance, Matched Pairs Test of Significance
- limiting distribution
- Really need your help
- Multiple observations from one sample?
- Please help me with my hw!!!
- Non-Parametric Dunnett's Post HOC test?
- Rayleigh Distributed?
- Does this formula have a proper name? q = (RA - RB ) / SE
- Simple Random Samping WITH replacement Probem: Please HElp!! :(
- The variance of OLS Estimator
- t-test vs ANOVA
- Problem about Cp
- hypothesis testing help
- Hypothesis Help
- Regression non-homogenity
- Dependent variable kurtosis
- Independent variable kurtosis in multiple regression...
- P-value help!
- correlations vs regression
- Shapiro-Wilks Test
- binomial/sign test
- ANCOVA test of homogeneity of regression slopes
- Curved and weighted ratings.
- Which parametric test do I choose?
- ANOVA help..
- Testing inter-examiner reliability (likert data)
- (mis)-use of Post-Hoc tests. Theory question....
- cothe coefficient of skewness
- confidence interval questions
- Linear model after transformation
- Mediation analyses problem
- Margin of Error/Confidence Interval Question
- Sample
- Validity of setting constant to zero
- comparing linear mixed models
- Logistic Regression - A Practical Question
- Reporting ANOVA Results
- Derivation of moments of a probability distribution
- Fractional moments and higher moments (>4th)
- better clustering
- Rejection region
- Comparing multi-choice survey results
- Schoenfeld residuals
- Question about small sample difference between two means.
- Mulivariate output vs within-subjects output
- Hypothesis testing
- Fixed Effect and Random Effect
- How to fit a normal distribution to truncated data in WinBugs
- Hypothesis Testing including Dummy Variable
- Scaling a range of numbers between -1 and 1
- SED error bar for main effect with 3 levels
- F and T-Statistics
- ANOVA table
- ANOVAs with different cell sizes
- Small but randomly assigned sample in experimental study
- is this answer right?
- Smoothing algorithm for times series and slope measurement
- sample size for hypothesis
- Linear Regression
- how to interpretate this correlogram?
- Mean of residuals = 0
- Need advices and explanation
- Transform data or non-parametric test of association?
- Wilcoxon Signed Ranks Test-reporting sig. values
- Multivariate Gaussian Distributions
- Is dummy exogenous variable?
- ANOVA v t-test
- Sample Size
- Need a meaningful way to describe heavily-skewed numbers for 50 states
- Uneven sample size - need stats
- Correlation in subsamples and whole sample
- Univariate GLM?
- Manova v's Profile Analysis
- Repeated measure analysis using SAS (crossover design)
- covariance matrix
- Heterogeneity of variances in two factor ANOVA
- bonferroni
- Linear regression without intercept
- comparing GPS/barometer accuracies
- Post Hoc test MANOVA in STATA
- small pre-post study
- Linear Regression Models (1)
- Linear Regression Models (2)
- Linear Regression Models (3)
- sample size
- population standard deviation
- binomial distribuion problem
- should I worry about the time effect?
- Difference between Sensitivity and Statistical Power?
- regression P value and odds ratios
- Stat significance in image intensities
- Which test?
- Statistics - Hypothesis
- Statistics 350 Final Studying Help!
- Determining statistical significance when analysing time series
- Transect sampling
- help please ASAP!
- Variance of a difference
- Help needed!! How do I compare ethnicity rates?
- basic stat question
- SPSS for ANOVA testing
- Quantile-Quantile normalization
- non-parametric 95%-ile calculation
- test statistic?
- Please help me!
- Is this significant?
- fill in the blanks please
- interpretation of profile plot?
- How to regress actual data towards projected data.
- Stats help: t-tests
- What if the assumptions of ANOVA aren't met...
- Principal Components Analysis: data transformation prior to analysis???
- Estimator Qs
- type I error rate in multiple overlapping interaction ANOVAs, missing data
- MLE of 1/theta
- Var(x + c)
- long term monitoring design
- Transformations and Composite Variables
- cox proportional hazard
- estimating ratio of 2 dependent variables
- Need help with the discriminant analysis in SPSS
- MLE problem, linear regression model
- Which Non-Parametric Test is appropriate for this Example?
- sample size for likert scale test
- Formula for Confidence Interval
- Multinomial Logit Regression - sets
- log-transforming data VS non-parametric ANOVA?
- Fisher's Z Transformation
- Homework Difficulties
- Calculating statistical power?
- Analysing pain score data
- Setting limits for "Random Uncertainty"
- to use or not to use weights in factor and cluster analysis
- Log Normal Mean Estimators
- ANOVA or repeated Measures ANOVA?
- Data Gathering Question