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
  1. measuring the reliability of an estimate
  2. Confused over Semantics
  3. Significant difference with Kruskal-Wallis despite medians being the same
  4. Looking for Help with t-tests for USAF Report
  5. I have no idea what 9.3(a)(b) means!
  6. Help!
  7. question on cox/stuart trend test
  8. HLM Question
  9. A big problem for smart people
  10. Needing some correlation quick advice
  11. Statistics + probability questions
  12. Ancova
  13. Ordinal Regression or Probit Analysis?
  14. Pattern of Histogram
  15. Interpreting Normality
  16. two way ancova problem
  17. Classification Rate of Multivariate Logistic Regression
  18. Choosing strata for weighted frequency
  19. two-way Ancova df
  20. Help, please. I'm not sure the question provided enough info to solve.
  21. Trying to analyze differences within 2 groups... help
  22. best way to show increase
  23. residuals against Y
  24. Logit Regression Probabilities as independednt variables in OLS
  25. Quantiative comparison of two distributions
  26. Parametric or nonparametric tests?
  27. Q-Q Plot for normal Distribution?
  28. Paired T Test Assumptions
  29. Type 1 error
  30. derive R squared
  31. Multivariate Analysis : error terms
  32. Within-sample variance smaller than between sample variance?
  33. Theil U statIstic
  34. Levene's Test - Large F Value
  35. Interpreting ANCOVAS
  36. RPD Acceptance
  37. Regression Equation
  38. hello
  39. On the p chart
  40. use the ASTM C-15 chart
  41. calculate percentage slope regression
  42. Arima
  43. convert 2x2 mixed to within subjects design
  44. Mgf
  45. ANOVA Stuff...
  46. Help with correcting spatial bias and sampling effort
  47. First and second order model analysis
  48. Standard Error Question!
  49. two sample t test
  50. significance level
  51. Central Limit Theorem!
  52. Sample size determination using t distribution
  53. McNemar test: are my reviewers bone-headed or have I misunderstood?
  54. Is y a function of x or abs(x) - how to test
  55. Confidence intervals vs. t-test
  56. Question about summation and expected value?
  57. Help to grasp Krustal-Wallis Results
  58. ANCOVA Help
  59. Show that s^2 is an unbiased estimator for sigma^2
  60. class width/ lower/upper boundry?
  61. Which test should I use?
  62. Skewness of independent variables
  63. When SD is calculated from SE
  64. Comparing scattered data
  65. 2 x 3 Chi Square?
  66. Mediation / Regression
  67. Sphericity test results for repeated measures ANOVA
  68. analyzing columns of data
  69. Median of grouped data (without formula)
  70. Deriving least squares estimates for 2 regression lines with common slope
  71. Indentifying Statistic
  72. Need some help with Identifying Class width and Mode
  73. MGF of lognormal distribution
  74. Find area under a normal distribution using gamma function
  75. Estimating the end of a sequence
  76. Neural networks
  77. problem about non-random samples
  78. SPSS help: 1-way repeated measures ANCOVA
  79. Community Attitudes Towards Mentally Ill (Taylor & Dear,1981)
  80. Quick Q on Fixed vs. Random effects
  81. MLE - maximum likelihood estimation
  82. Help a programmer with very simple Linear Regression (ordinary least squares?)
  83. T-Distribution
  84. newbie requiring help please :)
  85. what is: correlation? regression? confidence?
  86. Question having to do with normal distributions
  87. Will it rain?
  88. Normal distribution
  89. confidence interval for total weight.
  90. Wald joint test for differences between models
  91. descriptive statistics, easy question
  92. Help needed with regression
  93. Classical Seasonal Decomposition
  94. Linear regression analysis - Urgent assistance required
  95. Using MLE's to create a Markov transition matrix
  96. Z-Scores & The Motels
  97. Percentiles & Phone Calls
  98. simple type 1 error question
  99. what are appropriate test for discrete analysis
  100. Repetitions in G*Power
  101. analyzing columns of data follow up
  102. analyzing percentages
  103. Determining sample size
  104. More determining sample size
  105. Standard Density curve question
  106. Chi squared biased when applied to uneven nominal distributions?
  107. Time-series analysis with three variables
  108. Process averages as data points in factorial ANOVA
  109. rejection region and p-value help
  110. For experts: About Mann Kendall
  111. Need help with ANOVA
  112. Pooled cross-section time-series model
  113. Repeated measures or split-plot... built the anova Model
  114. Confidence interval confusion
  115. Homoscedasticity / Homogenity of variance
  116. Non-Linear variables
  117. Geometric CV
  118. Estimating gene flow F values and Nm value
  119. sample size
  120. Latent growth process
  121. Really simple hypothesis testing question
  122. Techniques for identifying/learning routes from GPS Data
  123. Hypothesis testing
  124. Power
  125. Sample variance
  126. simple continuous random variable question
  127. skewed distribution - bias?
  128. scale issues
  129. Simple statistics
  130. Power and sample size for a paired t test
  131. Data Analysis
  132. Determining if a distribution is normal
  133. Calculating Standard Error (using n & pi)
  134. analyzing percentages
  135. analyzing columns of data
  136. Dunnett test
  137. Continuous random variable question
  138. Probability (Problem)
  139. Non-parametric testing problem
  140. Need stronger correlation formula.
  141. Normality -please help
  142. Question: PLus or Minus 25%, 82% of the time??
  143. multivariate statistics ; compute variance
  144. F-test : What happens if your dgf is too big ?
  145. Statistics Text
  146. Regression Model
  147. Determining a Winner
  148. Normalizing data
  149. sampling in ANOVA
  150. A simple problem, maybe?
  151. Need help with this one.
  152. Question about unbiased standard deviation
  153. statistics problem
  154. equivalence of variance - chi test
  155. Logistic regression null values
  156. Logistic regression - Binary variable with 'unknown' and nulls
  157. little help?
  158. Statistical significance help
  159. logistic regression
  160. logistic regression intercept is negative and not significant
  161. P-Value
  162. Importance label
  163. Repeated, replicated measures
  164. Simple problems
  165. Logistic Regression Help
  166. What Stastical Method to Use - Please Help!
  167. T-value
  168. ANCOVA - Please Help!
  169. Mean and Standard Deviation Help
  170. Conditional Distributions
  171. comparing variance across data sets
  172. Efficiency of an estimator (truncated Poisson)
  173. Normal distribution and Z scores
  174. Help with distribution!
  175. Nominal - Interval and Ordinal - Interval analyses
  176. Standard Error of Coefficients in Multiple Regression
  177. Chi square or Difference between two means?
  178. simple linear regression problem
  179. I need some Help please!
  180. Hypothesis Testing Help
  181. function to balance numerator & denominator
  182. Calculate the sample size
  183. Test for determining whether inclusion of terms improves regression estimates?
  184. error estimation for data fitting with correlated datapoints
  185. Interpreting linear correlation
  186. Experimental Design - NOT independent units
  187. Which test do I use?
  188. F-test
  189. Bonferroni correction needed?
  190. calculate probability of a sample avg's deviation from population avg being nonrandom
  191. Generating random sample for mixture of normal distributions
  192. ANOVA on Correspondence Analysis scores
  193. Logistic regression model building
  194. Can you help me with data issue?
  195. Expectation problem
  196. simple question
  197. How to convert Likert scale scores into interval/ratio
  198. ANCOVA controversy?
  199. Mle
  200. Proportion Statistics: Finding Sample Size
  201. MLE help
  202. Factor Analysis - Q statistic
  203. primary component analysis with matlab
  204. Certain sample size needed for HLM?
  205. Two way anova with no interaction
  206. How do the ANOVA F statistics and its p-value relate to t statistics for the
  207. Correlation Matrix table - Help
  208. Lognormal distribuiton
  209. Ever had a pinball-related question here before?
  210. bootstrap and non-stationarity
  211. Working with lognormal distributions
  212. Census vs. Sample
  213. Yes/No Survey mean?
  214. Conditional probability question help
  215. Help needed asap
  216. continuous probability distributions
  217. Alpha & Beta errors!
  218. Need help asap
  219. Negative t value from planned comparison - help!
  220. no real clue
  221. Sampling Distributions question
  222. Estamating Single Population Parameters
  223. simple CLR statistics problem help plz!!!!
  224. How many IVs can I use?
  225. Advice with stepwise regression
  226. chi-square
  227. Chisquare test for normality of rounded data
  228. Number to represent both Avg and StdDev
  229. Multiple Regression Interaction
  230. using prediction results in a separate model
  231. Differences between EOQ and EDQ Model?
  232. Can you use Avg & Std Dev with Non-Normal Data?
  233. Bonferroni?
  234. Hypothesis Testing involving Poisson Distribution
  235. How to determine assumptions
  236. Categorical data
  237. Help...Quebec Separation? Oui ou Non
  238. Help? Calculating sample size for nonparametric data?
  239. correlation between 2 groups
  240. Calculating Probability from the Mean, and Standard Deviation
  241. Stats question
  242. Probiblity Senenerio from a game
  243. visual analog to likert scale
  244. How on earth
  245. Significane Probability using a normal approximation to the poisson
  246. Using the Sample Mean to Calculate a 95% Confidence Interval of the Population Mean.
  247. hypothesis testing
  248. Need help to solve aproblem
  249. frequency histogram
  250. help? :)