View Full Version : Statistics
- What is Weibull Distribution ?
- Interpreting NEgative Binomial Results
- newbie - what test?
- Correcting unbalanced design
- Steady state distribution of Markov Chain?
- Kruskal Wallis Test - Minimum Group Size?
- Erroneous test result
- Student's T-test interpretation language
- effect of temperature on percentage of mortality_how should be analyzed?
- Regression Diagnostic (reading residual plot)
- Z score calculations when using percentages
- Practical significance
- Sample coefficient of correlation
- Adequation test on continuous distribution
- Psychology research deciding tests to use
- Is a chi-square test appropriate? Can I make a more comprehensive analysis?
- How to perform Prais-Winsten autoregression in SPSS 16?
- I need help with this problem that deals with confidence interval.
- Hypothesis testing
- regression to classification binary
- What is the answer to this multiple choice question?
- Between what scores constitute the middle 95% of these data.
- Using GPower3 to calculate sample size
- Question about normally distributed estimator with a constant
- Which test should I use to approximate the most effective group?
- Pre, post-test analysis (t-test ?)
- developing a statistical prediction rule for success
- How to perform pooled cross-sectional time series analysis?
- 2 x 2 OR 2 x 2 x 2 Design?
- One level of dichtomous variable missing when mutlivariable analysis conducted
- One dependent variable at 2 levels with different distributions
- Normality assumptions questions
- Factor & Discriminant Analysis
- Testing single subject before / after treatment
- Testing the significance of differences between means of two samples.
- Uneven sampling problem
- Bayesian Statistics question
- Log level coefficient interpretation
- Fama MacBeth Regression
- Statistical dummy asks for help
- Please help? Complete novice
- Does the GLS suffer from outlier as OLS?
- SPSS syntax - ANOVA simple effects analyses
- Scatterplot Question
- Type I or II Error?
- Odds ratio calculation
- Reliability Analysis
- How do I normalize and rank scores obtained based on different counts of matches?
- Sample size help
- Help, please - Confusing results and possibly trouble with variables
- "Conditional chis square test of independence"
- Random chance problem
- PLS and Ridge regression
- Using the proper statistical term in reports
- Variable selection in Logistic Regression
- Estimating function
- Quality of my regression result
- Negative binomial: Data vs. assumptions
- Median vs Mean
- What are composite scores?
- preferred equation display
- Help for beginner - forecasting events
- 2 separate models to look at variates plus interactions or only one model needed?
- One-tailed t test on likelihoods for non-nested models
- Experimental design & questions on generalized linear models
- Binomial Distribution
- Exploratory Data Analysis
- Which test to use - correlation or differencies in biology?
- How to treat multiple responses to a single response survey question
- Input data for a GAM
- Problem with Likert scale
- What software could make the following diagram?
- comparing related but not matched dichotomous proportions
- Going for Graduate diploma - what books to get :)
- [SOLVED] Really simple weight question
- How to determine how 'unusual' a value is within a sample
- Simple Validity Question
- Large LSMeans after backtransforming ok?? Help!
- Statistical test for pre-post multiple choice questions
- Central limit theorem and prediction theory
- The proper way to characterize the analytical precision from multiple controls?
- Data Transformation for percentage and proportional data data
- Reporting output of the Monte Carlo Method + KS output query
- Calculating statistical difference from %change or raw values
- Krsukal Wallis
- Sampling: probability or convenience?
- Binomial - probability from average result?
- time series data problems
- Sampling issues !
- Chi Squared for Ordinal level Data ??
- What is/are Latent Dimension(s)
- Need help on Stats -
- Calculating effect size.
- Help with 99% ci when pop stdev is known
- Permanova with covariate
- determining smoothing parameter in HP filter
- Sig Test of Frequency
- What are the odds?
- multiple choice - difference in answers
- Variance and sample error in paired sampling
- T-Test for A/B/C split population
- Calculating Sample Sized Based on Effect Size
- Really stuck on what test!
- Robust Tests of Equality of Means SPSS HELP ANOVA
- Kruskal Wallis test on z-scores
- Categorical and ordinal scale....chi square?
- Help understanding fixed effects...
- how to remove peaks from average rates
- ANOVA terminology
- Multivariate lognormal distributions
- Levene's Test in ANOVA using SPSS... BLANK BOX??
- Integration of a standard error
- Multiple samples of different size and not normally distributed: how to compare/sort?
- Comparing two groups when there is correlation
- parameter estimation of nonlinear times series
- "Mann-Whitney U-test" application on 2 samples which are given the same treatment
- Monte Carlo Filtering-Sensitivity analysis. Model parameters need to be independent?
- Help on results interpretation plz.
- best test to determine if two proportions are different
- what Non-parametric test should i use?
- Analysis of questions in a questionnaire survey?
- basic statistics question help please
- Friedmans Test HELP please
- H F Dodges 1943 paper A Sampling Plan for Continuous Production
- Bayesian Credible Interval
- Design matrix for repeated measures anova
- Sample size for checking that records, known to be in error, are now corrected.
- Significant One-Sided Trend Test, (95% CI Include "0")
- Statistical Analysis help
- Kalman filter
- What population am I studying here?
- Z values, i need help.
- Statistical test for questionnaire results
- Why research questions are important
- F-test equality coefficients same model
- standard deviation per hour worked
- Questionnaire analysis help??
- Control Variable versus State Variable of kalman filter
- wilcoxon signed rank test using z-scores.....
- Wilcoxon signed test, confusion?????? :(
- Spearman's rho Help
- Stats help : Relationship between species richness and habitat
- Test to choose to compare number of events emitted from number of sources
- Interpreting mixed anovas. Please help.
- Interpreting a correlogram
- Binomial test to determine if one animal is following another.
- Relation Between Idea and Attitude
- finding the point estimate of a proportion
- 2 groups with ratio(s); How to test between-/within-group differences?
- Student Test
- Sample Size.. to generalize sample out to the population
- Binomial data, proportion comparison
- Test for difference between two data sets - but not the means
- Maximum likelihood estimator - geometric distribution
- Equality of variance and skewness test
- reference ranges (in non-normal distributions)
- Comparing 9 studies with different means and standard deviations?
- measuring error rates
- Cluster sampling help
- Help with basic stats question
- Basic statistics question
- differences between frequencies
- How to work out of results are statistically significant?
- Turing test analysis
- How to know if something is signficant?
- Research results- which tests would you suggest ?
- Pairwise comparisons
- S^2P Value?
- No S.E. C.R. or p value in my SEM AMOS output
- measuring population growth
- Determining Minimum Sample Size To Accurately Reflect Original Distribution
- Are these relationships significant (3 variables)? How to test?
- Predicting the next value based on exponential data
- Uncertainty Modeling
- order statistics of random sample
- How can I rewrite the sum of squared residuals in matrix form?
- Comparing R^2 from log and level models
- Doubts abouts Cramer's V effect size
- Fisher's Exact Test for determining correlation between variables
- Event Probability - Not Time Independent
- Limits of agreement
- Pareto Distribution
- Creating Joint and Marginal Tables for this assignment
- Help needed : Accounting for differential sampling effort
- Chi Square Goodness Of Fit
- Negative Cronbach’s Alpha
- Advice needed on appropriate statistical test
- Travel patterns distributions of a sample representative of a population??
- multinomial logistic regression - assumptions violated?
- Interpreting glm results
- URGENT: Need help with using scientific calculator for T statistic
- Question about correlation
- moderator vs. mediator variable
- Difference of 2 Chi-Square Variables Still a Chi-Square Variable?
- Sobel-Goodman test in STATA 11.1
- Befuddled trying to analyse ranked data.please help!
- Confiidence and Sampling
- Possible to convert variance to a scale between 1 and 0?
- Logistic regression
- need help in estimator problem
- Confidence interval of log-linear regression with offset
- Comparing Mixed Model results with OLS regression
- Test to compare difference of differences
- Dear all
- how to calculate prevalance of obesity in spss using bmi values
- Kolmogorov-Smirnov Two Sample test statistic confusion
- Expanded uncertainty and Type B
- McNemar Test Interpretation
- Devoloping confidence
- T-test assumptions
- Frequency of response and frequency of participants
- Compare two sets of complex numbers
- [Minitab] Sample size for nonparametric distributions
- Is one-way anova appropriate test
- Estimating percentiles within skewed distributions
- Autocorrelation
- Comparing Grades with Different Ranges
- Kruskal-Wallis Test with limited data
- Standard deviation question
- Question about regression and r
- Question regarding measuring of scales and surveys
- Improving accuracy of total variance through variance components?
- Covary out?
- Method of Moments Help
- Mann Whitney u test- Interpretation help?
- Question about confidence intervals
- dealing with 0% as an independent variable.
- A bayesian statistics question
- Likert Scale, basic tests
- Multinomial Logistic Regression
- Simple simulation problem!
- Mediation with Structural Equation Modeling....
- Observed Test Equating
- Find Outliers in Transaction Data
- compare questionnaire responses of parents
- Combinatorics Question
- How to solve cumulative binomial distribution?
- Food & Drug Administration (US) statistical regulations
- hypothesis testing
- hypothesis
- Economic Significance
- a problem regarding maximum and minimum of two positive random variables
- help please
- analyzing scatter plot...help!
- CI 95% graph
- [Relation of daily sales] Chi-Square, T-Test or Correlation?
- help with t.test (equal or unequal variances)
- Creating Class Width From Raw Data.. please help
- Survival Analysis SPSS: Repeated Events
- How many measurements needed to distingish between two outcomes?
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