PDA

View Full Version : Statistics



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 [39] 40 41 42 43 44 45 46 47 48 49

  1. help with Homework
  2. is this correct? need help
  3. SEM: Latent variable variance
  4. Which test?
  5. MLE of uniform
  6. How can I calculate the probability in Section A of the attached image??
  7. Statistics question, or people issue?
  8. how to write up data?
  9. Box's M not being shown
  10. Confidence Interval
  11. A case for a MANOVA?
  12. few datapoints: most adapted test?
  13. Transforming/editing values in spss
  14. STATA help for Poisson and Beta regression
  15. Best Linear Unbiased Estimator for a binomial parameter.
  16. what statistic test should i opt for?
  17. Determining the number of bins for a distribution
  18. Randomness assumption binomial distribution
  19. Population subgrouping analysis
  20. Need help with Wilcoxon rank-sum test
  21. regression analysis in SPSS
  22. proc glm: p-value 1 sided or 2 sided?
  23. Too many fixed effect dummy variables ?
  24. Help with a classification problem.
  25. Nonparametric Tests: Independent Samples
  26. Dummy coding fails to mark the significant covariable (any solutions?)
  27. Regression - this is probably a simple question...
  28. determining percentile
  29. Ancova : A specialised model
  30. Using mean & standard deviation to estimate population within range
  31. Multinomial logistic regression vs Multiple logistic regression
  32. Quick question about canonical correlation.
  33. CI for population proportions
  34. Transforming/editing values in spss!!!!!
  35. Post-hoc Bonferroni alternatives
  36. What Statistical Test Should I use?! Please help.
  37. RRT data, can it be used for correlation? I explain RRT so may be easy for anyone!
  38. Likert scale - Tiny sample size - What test to use?
  39. Model fit: general R-squared question (multiple linear reg)
  40. SPSS help urgent! Dissertation looming
  41. Hypothesis Testing
  42. calculating adjusted R-sq
  43. Statistical approach and Power analysis
  44. Help for bachelor thesis - SPSS - Sweden
  45. statistical analyis for hons project..quality scoring
  46. Calibration
  47. Modelling a factor
  48. In need of help with choosing a statistical test for dissertation results!!
  49. t-test
  50. I need serious help..I don't know where to start
  51. Help with unbiased estimators and efficiency
  52. data pre-processing, classification
  53. RE: Why use ANOVA in place of a t test?
  54. Hypothesis test?!
  55. Analysing significant interactions further
  56. Help with assessing correlation
  57. degrees of freedom in binary logistic regression
  58. Statistic project: Analysis of Multi-Station Manufacturing Processes
  59. Worked example needed "Standard Error of Coefficient" Multivariate Regressionl
  60. unsure about which statistical test is best to use for my data. Urgent help needed!
  61. Controlling for a categorical var, with a categorical predicting a dichotomous DV
  62. Significance level / I didn't make my own thread
  63. x-Values for Middle 60% and 90%...what!?
  64. I'm super lost on this site...not sure where I should have posted this question.
  65. Chebyshev's Rule help
  66. Using Multiple Dummy Variable Sets in Differential Slopes
  67. 2 standard deviations above and below the mean?
  68. Comparing Participant Responses in Two DIfferent Questionnaires Help
  69. ARIMAX variable selection
  70. homogenity
  71. Median and variables
  72. At the 1% level of significance, give the associated critical value
  73. estimated p-value is greater than
  74. Forward vs. backward selection. Advantages and Disadvantages
  75. What does it mean to have only the intercept term in the model? (and Type 1 SS qs)
  76. Is it wise for me to take Mathematical Stat (using Casella)
  77. Need help with my thesis. Which method should fit this situation?
  78. Survey result analysis
  79. Formula for re-scaling variable
  80. Autocorrelation and comparing means......
  81. Would P-value be same for confidence level 95 and 99 in simple linear regression
  82. log transformation
  83. Variable Selection in LR Models
  84. the different test and statistic
  85. Leven's test
  86. Unequally sized groups for comparison
  87. Need help with point estimate problem
  88. log transformation
  89. Mann-Whitney U Test
  90. Analyzing population level data
  91. lisrel+plzz help
  92. Quick Hypothesis Question
  93. Statistical data analysis for my research
  94. Comparing Sports Teams Part Way through a season
  95. any automatic way to delete data
  96. why using the mean ?
  97. Help with Statistical Analysis on a questionnaire?
  98. Minimum sample size
  99. Effect of reducing the minimum difference of interest on sample size
  100. evidence of a difference in treatments. 95% confidence interval for the true treatmen
  101. Post hoc tests with glmer, lmer, and hurdle models
  102. Greetings geniuses! Can you help me out with a basic issue? (On analyzing my data)
  103. How to convert a date in a cell into a year into the same cell?
  104. (Urgent) Missing Data- Missed completely one item through out the study
  105. best way to compare series/values
  106. Ridge Regression in R
  107. Is it valid to show raw data on graphs when using mixed modes with multiple traits?
  108. Deciles and zero values
  109. Help deciding what test to use?
  110. Help - comparing percentages in programmatic survey data
  111. error bars and statistical significance
  112. Simple question about sampling
  113. Do minimum/maximum ends of the range of IV affect the turning point location?
  114. Comparing Monte Carlo Sampling and Latin Hypercube Sampling
  115. Help needed for beginner using SPSS please!
  116. Multidimensional scaling with threshold values
  117. add 2nd order polynomial to random effects in LME
  118. Seasonal or nonseasonal times series?
  119. NEED help with PLANNED COMPARISONS question please :)
  120. Please help me quickly
  121. discrete distribution help!(elementry)
  122. 3 way chi-square- help to simplify my analysis
  123. analysis question
  124. Newbie here...Confidence Intervals on Population Proportion
  125. alpha level question
  126. repeated measure ANOVA and covariate
  127. Which test should I use??
  128. Prinicpal Component Analysis Reverse Scoring
  129. hello, will be greatful for advice!
  130. P Value
  131. problems with hierarchical partitioning using R statistics and the hier.part package
  132. Ceiling effects
  133. Is this a 3 Way ANOVA?
  134. How to deal with huge differences in group sample sizes
  135. I like cake. Do you like cake?
  136. negatives in a time series
  137. which test to use ?
  138. Generating correlated random vars with Cholesky
  139. Regressn, Z-test...?
  140. Complex Repeated Measures problem?
  141. Struggling with a couple questions - Operations Research
  142. Bayes: Corrections for nested data
  143. Familywise error in Games-Howell test
  144. Correlation for normal vs non-normal data
  145. Student t-test or ANOVA?>
  146. Is a Chi Square an appropriate test for this situation?
  147. Choosing the correct t-Test
  148. Data transformation
  149. How to interpret the density of a uniform prior (graph)?
  150. I have no clue what to do?!
  151. Is nessasary to perform Factor Analysis for Marketing Research?
  152. Chi-Sq ???
  153. Experimental Design Question and Appropriate Anova's
  154. how to test for significant differencecs in ML estimates after optim()
  155. Finding margine of error
  156. Dealing with variation in subjective qualitative data
  157. Mixed distribution of continuous data
  158. Need help w/ data chart in excel for correlation? (it might be an easy question?)
  159. Help with intra-class correlation
  160. Interpreting Wilcoxon results - median or ranks?
  161. Unsure of what analysis to use
  162. how to exclude block effect (I think)
  163. Which correlation to use
  164. Data transformation
  165. clustering data
  166. Comparing two outcomes on one variable
  167. One Way ANOVA with grouping using Tukey method.
  168. Need help in sample size determination
  169. Group v Time v GroupxTime
  170. Formula to calculate two-tail probabilities of t for any given value of df
  171. T-Test with 2 samples with large absolute difference
  172. Comparing proportions (also, from the same survey)
  173. Help with t test interpretation
  174. What test do I use?
  175. Descriptive Summations
  176. Percentile Rank
  177. Nonseasonal Box-Jenkins Model: Stationarity
  178. Probability ( Need Help for this question)
  179. Compare datasets taken over 60 days
  180. Nominal Mediation - Is it possible to test for mediation with a nominal dependent?
  181. Regression - which one do I go for?
  182. One-Way or Repeated Measures ANOVA?
  183. use of the mann-whitney test
  184. Need some help :)
  185. Effect size
  186. Finding the AR and MA using ACF and PACF
  187. 2-Way ANOVA: Interaction plots show interaction, but term is insignificant?
  188. Statistics question - can somebody answer
  189. Type of error and Pooled populations
  190. Analyzing data with relatively rare events.
  191. Normally distribution.
  192. MLE of P(X<2) - Exponential distribution
  193. Factors in x-way ANOVA: are some combinations invalid?
  194. what statistical test do you use for a survey?
  195. whats the best test for year to year data?
  196. Proving that treatment is statistically effective - paired t, P value, CI?
  197. Sample Means
  198. Nested or Crossed ANOVA Project Design
  199. Two-Sample, Nonparamteric test for "stochastic equality" with discrete numerical data
  200. Autocorrelation - Need to difference?
  201. Two-way ANOVA?
  202. HLM and Longitudinal Studies
  203. Help: Is the results significant?
  204. Binomial Probabilities
  205. Interpreting point biserial correlations
  206. Very confused student, please help!
  207. Forecasting Odds Based On Statistics
  208. Repeated measure mixed models HELP PLEASE!!
  209. Calculate the number of trials to distinguish between 2 binomial distribution models
  210. Portfolio wide distributions: Integrating the product of the inverse gamma and gamma
  211. memory-based model evaluation
  212. Likert scale - Grouped likert scale results, are they significant?
  213. Using the z-distribution when the sample size is large?
  214. Finding a limit of detection for a slope
  215. Before and after tests
  216. ANOVA interaction interpretation (verbal)
  217. reporting the results of a wilcoxon matched pair test
  218. model that's both predictive and explanatory
  219. A question on central limit theorem
  220. Two Population Variances help please
  221. Reinsurance portfolio question: Interesting maximum problem
  222. Assistance Needed: Probability of a Type II Error
  223. Organizing Data For Regression
  224. QUIZ HELP: Null and Alternate Hypothesis, P-value, critical value and test statistic
  225. Monetization Algorithm
  226. Analyze Delivery Time Goals - Best method and chart
  227. interpretation of results
  228. Discriminat analysis: assumptions
  229. Likert: Fisher's exact OR Kruskal-Wallis?
  230. Percentile Rank question
  231. Interpret some time series plots(residuals, qq, ljung box)
  232. Can percentages be justified as interval data?
  233. Derive significance in difference in means between marketing target and control group
  234. Formula to calculate the standard deviation of a difference?
  235. Linear Regression
  236. Statistical analysis - help with paired t-test
  237. Statistical analysis - help with paired t-test
  238. Statistical analysis - help with paired t-test
  239. Random Forest Data Requirements
  240. Which Statistical Test?
  241. Estimators from a Normal Distribution
  242. Data Normalization
  243. Someone willing to check my work?
  244. Likert scale - mean or meadian?
  245. [SOLVED] SE on count data?
  246. Which statistical analysis do I need to use?
  247. Standard deviation as a percentage
  248. present results
  249. How to plot the probability density function of a sample of a continuous var.?
  250. Regression Help!!