PDA

View Full Version : Statistical Research



Pages : 1 2 3 [4] 5 6 7 8

  1. Getting desperate, please help!
  2. Testing assumptions
  3. Analyzing Likert scale
  4. Significance in a Yes/No question
  5. Sports Board Using Statistics Incorrectly?
  6. need help in determining appropriate sample size
  7. Pca
  8. Can they called unequal sample sizes and t-test/ANOVA?
  9. Which statistic to use to determine gender differences in rankings?
  10. Any suggestion: book on score test?
  11. Event study t-test help
  12. Correlation in contentency tables using determinants??????
  13. Pilot Test Return Rate
  14. Manual
  15. Test in binomial distribution
  16. Optimum solution: Matching Investment & Highest interest
  17. Can anyone help please?
  18. MANOVA Help
  19. Negative Cronbach !
  20. Assistance with Comparing Two Months of Survey Data
  21. 2 independent var, 1 dependent var. What test should I use? Help wanted please!
  22. random assignment
  23. Need help with data analysis
  24. HLM and SEM
  25. Paired t- test experiment
  26. How to calculate the Margin of Error for 3 candidates?
  27. Simple Random Sampling - Variance Of An Estimator
  28. How do I compare different demographic groups that did the same survey?
  29. Calculating Effect Size
  30. i Need help plz
  31. Impulse Response Functions
  32. Calculating significativity on a preference question.
  33. Need help in finding historic data on real interest rate and CPI
  34. Can someone edumacate me about this? About comparing two samples
  35. Analyzing with heavy skew, transforms not working?
  36. chi-square with small sample size
  37. Time series: Research paper - VAR modeling
  38. Modeling the Intervention
  39. regression when the dependent variable is a proportion or percent?
  40. Individual level moderator in HLM? Need help, please!
  41. Calculating proability
  42. calculating sample size
  43. continuous random variable
  44. Online Sample Size Calculators
  45. Audit sample methodology question ... what do you call this?
  46. Multiple Comparisons Correction for Post Hocs in 2x2 mixed ANOVA?
  47. planned comparisons using the overall error term from the ANOVA
  48. Statistical question about roulette
  49. ANOVA vs. T-Test --> completely different results
  50. Estimating a term
  51. Normality assumption test statistic for independent sample t-test (SigmaPlot output)
  52. Random sample - how to get one?
  53. Sample size
  54. Test of Significance?
  55. Tensor product
  56. test whether 2 mean scores are significantly different
  57. Forest Plots - Please Help!!!!!
  58. test which of two models is better predictor -- but the two are correlated with each
  59. Principal Components and Q-statistic
  60. Reduce number of predictor variables ((multi)collinearity): PCA not helpful
  61. One-tail test for research
  62. Chi-square test
  63. Challenge: dependent variable observed randomly over time
  64. Inter-observer variability
  65. Power curve of distribution with 2 parameters
  66. Mancova help
  67. Difficult forecasting/ density estimation problem in an experimental setting
  68. Pre and Post Likert Scale Survey Help
  69. Help needed with Multiple Correspondence Analysis
  70. What statistical model could possibly be used here?
  71. paired t test and simple linear regression
  72. Tests for Comparing AUCs for Significant Increases
  73. Proper bayesian scaling of data
  74. Export and Import Model
  75. matching
  76. Which independent variables for availability of water resources?
  77. Unconditional covariance matrices from multivariate GARCH specifications
  78. Need advice! Math-Stats-ish
  79. Time: Ordinal and/or continous?
  80. significant or not ?
  81. Assessing quintile membership
  82. Fishy problem- which stat is appropriate? t-test or mann whitney
  83. Which test to believe ?
  84. which test I should use?
  85. Polynomial interaction in a mixed-design ANOVA
  86. Several distributions -how to choose between parametric/nonparametric test
  87. Kappa Help!!!
  88. statistical significance and number of experiments required
  89. Research Help!
  90. Npar K-S test acceptable for normailty test??
  91. which distribution fits...
  92. F-test Analyis HELP
  93. Urgent, which test can I use to test this hypothesis???
  94. Difference between DBLIM and distance-based redundancy analysis???
  95. Two independent, non-metric categorical variables: which test to use?
  96. Research Query
  97. How to get p-value with categorical dependent var and nominal independent var
  98. Correct method for determining group membership
  99. Help!! Mini stat survey!
  100. What kind of statistical analysis to use?!?!
  101. Was thinking Kendall's Tau but...(correlation)
  102. Testing Standard deviations for repeated measures design
  103. Appropriate method for research model
  104. Statistical Tests Help
  105. Two sample tests
  106. Analysis Workflow: Best practices
  107. Appropriate Method for Researching the Motives behind a Decision
  108. 'Mean location/ spot'
  109. comparing percentage when without knowing n? what test?
  110. NIG, stretched exponential and Levy stable estimation
  111. Sampling error & meaning of level of significance (AKA alpha)
  112. Public Transport Model
  113. multiple comparison problem when testing an optimization technique via simulation
  114. Group theoretic approach to ANOVA
  115. Help needed urgently - dichotomous question
  116. P Value...should I trust it ?
  117. Using statistical analysis to show hybrid performance gains
  118. how to determine the sample size needed for logit model
  119. Help needed with choice of appropriate method for repeated measures data
  120. Paired t test or repeated anova
  121. paired samples-equality of variance and 95% CI around difference
  122. Help with attribution/causality
  123. how to determine sample size for on-farm strip trials
  124. power analysis for parameter estimation of a gamma distribution?
  125. Series of T-Tests
  126. data not normally distributed
  127. Chernoff Faces Taken Seriously?
  128. Linear Mixed Models in SPSS for repeated measures
  129. data simulation help
  130. How do you account for under representation in your survey sample
  131. Which test/model to use?
  132. Markov Processes
  133. Analysis for MSc - multiple regression?
  134. Which Correlation is correct?
  135. What test can I use to compare categorical and continuous variables?
  136. cross-validation of prognostic model (test-set method)
  137. Equivalent to RMSE for logistic regression?
  138. Correlation Over Time
  139. panel data
  140. R^2 in Shrinkage Estimators
  141. How do I determine the Correlation Coefficient from a best fitting equation.
  142. Minimum Sample Size for a Survey
  143. Bic
  144. repeated measure
  145. Tool to suggest on sample selection
  146. Help!SEM fitting index all failed,tho reliability and validity test passed.Reason?!
  147. How to estimate two series covariance with unlined observed data?
  148. Package testing using likert scale
  149. Accelerated Bootstrap - mediation
  150. How do I report marginal means of a two-way unrelated ANOVA correctly? APA-style
  151. On what statistical significance test should I use
  152. Graduates grades- how to standardize by subject?
  153. Power
  154. Coding Data
  155. Request for help on deciding how to analyse some data
  156. Best design for this experiment?
  157. DF and fishers vs. pearson's
  158. Repeated measure ANOVA shows a significant difference but not post-hoc analysis
  159. Help with choosing statistics
  160. non parametric hierarchical regression?
  161. Tails and QQ Plot
  162. Normality Assumption
  163. Fisher's exact test
  164. Ideas with paired data
  165. Using mean measures in ANOVA
  166. Quick Chi-Square Question
  167. single Likert scale question analysis
  168. Using "AIC per sample" to compare logistic regression models
  169. different intercept with Multinomial vs Binomial Logistic?
  170. Shapiro-Wilk normality test: what is the null distribution
  171. Question about theta range in MA(1) processes
  172. Question about phi range in AR(1) process
  173. Comparing activity budgets, before and after
  174. regression time series
  175. Text book or article exposition on MLE (non-linear least squares) error analysis
  176. non-parametric version of a two-factor repeated measure ANOVA
  177. Choosing a test value for a one sample t-test
  178. Standard Errors of Exponential Smoothing Coefficients
  179. Within-Subjects for categorical data
  180. multiple levels of indepenent variable
  181. Variance, means and clusters
  182. Age Adjusted Rates
  183. Bayesian Variable Transformation (solve for PDF)
  184. How to calculate credibility interval limits
  185. paired or unpaired T-Test or even some other test?
  186. Sample, population on Facebook
  187. Best test to use?
  188. A question regarding Cronbach's Alpha
  189. fixed or random factor for ANOVA
  190. What is study population in Statistics?
  191. Question about Consensus Analysis
  192. Need for Bonferroni correction
  193. homogenity of variance
  194. Subsampling to obtain a p-value
  195. Bayesian: Defining priors from *same* data set you're modeling
  196. best way to create ANOVA groups from a range of scores?
  197. Comparing two groups on multiple DVs
  198. Mean change over time attriubted to another variable
  199. Please help - I would appreciate any advice! (^_^)
  200. Estimating overall output of multiple independent inputs - engineering project
  201. Which data types & correlation method?
  202. Classification
  203. Cronbach's alpha with weighted data
  204. Tolerance intervals for binomial
  205. Yule Walker - AR(1) - Covariance Forumla
  206. Hypothesis Testing question. Is it Null or Alternative? More details.
  207. Paired t-test?
  208. How to Analyze this data?
  209. MANOVA post hoc or simple main effect
  210. Interpreting Likert Scale
  211. Margin of error and the median
  212. mediate?? what does this word mean in terms of statistics?
  213. HI what does the alpha sign mean?
  214. Interpreting moderation output
  215. unusual contrast in 2x2 mixed ANOVA
  216. Adding random error to ordinal IV to make it more continous
  217. ploting a graph in excel
  218. Do you know how you can solve this
  219. How many people are needed for a valid sample?
  220. What is the opposite of partial differentiation?
  221. Correct terminology? Expected FPR vs Observed FPR
  222. Pre post test
  223. Factorial ANOVA
  224. Cramer's V effect size based on df
  225. Minimum sample size for calculation of guttamns lower bounds?
  226. testing rates through time
  227. Fleiss Kappa - an interesting blog and a question for your help
  228. Cronbach's alpha
  229. lessons of SPC and quality control
  230. Probability Mass Functions
  231. Do I need separate margins of error?
  232. Relationship between time spans
  233. Unobserver Component Models for Forecasting vs ARIMA and Expoential Smoothing
  234. Quick question about reporting statistical results
  235. Mean centering (good bad or ugly?)
  236. panel data regressions
  237. Normal Distribution
  238. Cluster analysis vs multicolinearity
  239. Multiple comparisons
  240. Friedman test...
  241. A Quick Question Concerning Repeated Measures of ANOVA.
  242. Logistic regression question
  243. normalization for detection of outliers
  244. How to report t-test results
  245. canonical correlation and pseudoreplication
  246. 95% ci
  247. Two rater agreement
  248. Need guidance in determining how to analyze my data
  249. Help Me ........
  250. Need help in how to structure my data in SPSS