1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
+ Post New Thread
Page 8 of 294 FirstFirst 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 58 108 ... LastLast
Threads 421 to 480 of 17594

Forum: Statistics

Statistics course and homework discussion. Elementary statistics.

  1. Sticky Thread Sticky: Forum Guidelines: Smart posting behavior pays off

    Welcome to talkstats.com, the place for statistics help. This is a guideline for people who want to ask a question on this forum and value a...

    Started by TheEcologist‎, 11-27-2010 12:13 PM
    • Replies: 1
    • Views: 197,161
    07-16-2014, 11:01 AM Go to last post
  2. Arrow Sticky Thread Sticky: We only provide homework help to those who show effort

    Welcome to Talk Stats Forum. In order to keep homework help effective and efficient, we request all members to abide by these guidelines: 1)...

    Started by quark‎, 09-30-2005 09:44 AM
    • Replies: 0
    • Views: 66,946
    09-30-2005, 09:44 AM Go to last post
  1. Additional Exercise for the book - A Course in Large Sample Theory" by Ferguson.

    The link is: http://www.math.ucla.edu/%7Etom/LST/lst.html I need help in solving some problems in section 5, 8, and 14. Does anyone have the...

    Started by sweetie‎, 05-06-2007 07:33 PM
    • Replies: 0
    • Views: 2,536
    05-06-2007, 07:33 PM Go to last post
  2. Additive Decomposition method

    Hi, I'm doing some revision and can normalise Qbar easily in the multiplicative case, but when using additive it goes wrong. So after working out...

    Started by BA Maracas‎, 01-10-2009 08:03 AM
    • Replies: 3
    • Views: 4,449
    01-14-2009, 06:43 AM Go to last post
  3. Additive effect, how to calculate?

    Dear users, I hope you have some good ideas about the following Medical dilemma. I'm conducting a study about Three drugs, A + B + C. Drug A...

    Started by drgunnar‎, 11-18-2014 06:44 AM
    additive, drugs, effect
    • Replies: 13
    • Views: 4,471
    11-19-2014, 04:04 PM Go to last post
  4. Additive/cumulative probabilities

    Forgive me for the title, I don’t know the jargon :) Simply, I am playing a war game online which uses stats to help calculate damage to an...

    Started by necrosis‎, 02-29-2012 06:03 AM
    • Replies: 1
    • Views: 2,255
    02-29-2012, 07:07 AM Go to last post
  5. Additivity of sums of squares in ANOVA

    Hello-i have a question (not a homework...but more logical one) For balanced design (where there are equal number of observation in each row/column)...

    Started by nyo‎, 10-29-2012 12:04 AM
    • Replies: 1
    • Views: 1,741
    10-29-2012, 08:56 AM Go to last post
  6. Address whether one overlap is significantly bigger that of another related overlap

    I could really use a hit as to which statistical test I need to use to address the following problem: I have three different species: A, B and C....

    Started by pkd188‎, 09-30-2013 06:25 AM
    chi square, fisher's exact test, overlap
    • Replies: 0
    • Views: 1,707
    09-30-2013, 06:25 AM Go to last post
  7. Addressing intraclass correlation coefficient issues

    ICC estimates changes according to the magnitude of the data. If the data are >1, ICC values are going to be way closer to 1 than if the data are...

    Started by agp‎, 03-17-2013 04:28 PM
    • Replies: 0
    • Views: 1,566
    03-17-2013, 04:28 PM Go to last post
  8. Adequate Sample Size?

    I am hoping someone can help me resolve a questions around survey data and what is an adequate response rate. I am surveying customers who take...

    Started by PD Skinner‎, 08-04-2008 02:09 PM
    • Replies: 0
    • Views: 1,707
    08-04-2008, 02:09 PM Go to last post
  9. Adequation test on continuous distribution

    Hey guys, I am working on R with returns from an index. I concluded that they are not normal. I now was trying to find what distribution they...

    Started by jeremy2828‎, 08-07-2012 08:52 AM
    • Replies: 1
    • Views: 1,536
    08-08-2012, 11:14 PM Go to last post
  10. Adj-r2 from two models and the significance of the difference

    Hi there, I have ran two linear regression models. I have extracted the adj-r2 from each. What I want to know if whether the average increase from...

    Started by mister_bluesman‎, 02-09-2011 09:10 AM
    • Replies: 4
    • Views: 6,088
    07-08-2013, 09:00 PM Go to last post
  11. Adjust values based on control

    I have taken 20 photographs. Each photograph contained a museum specimen of a bird and a colour chart. In each photograph, I measured the brightness...

    Started by Layo909‎, 11-24-2013 07:23 AM
    • Replies: 1
    • Views: 776
    12-23-2013, 02:39 AM Go to last post
  12. Adjust Wald Test for Type 1 Error

    Hello All, I am running regression models with a polytomous dummy variable predictor (3 category) in Mplus. I am able to use Wald tests of...

    Started by Ray P.‎, 07-15-2014 12:00 PM
    • Replies: 0
    • Views: 728
    07-15-2014, 12:00 PM Go to last post
  13. Adjusted Beta from Multiple Logistic Regression vs Mantael Haenszel

    Hi all, I was wondering if I should expect the same OR from multiple logistic regression vs. the Mantael Haenszel from a 2x2 table and why. All...

    Started by lmartinnyc‎, 05-19-2013 05:25 PM
    • Replies: 2
    • Views: 1,273
    05-19-2013, 09:18 PM Go to last post
  14. Adjusted Closing Price on stock sites - independant or not?

    Adjusted Closing Price as data; If I use these as data points, should I consider it independent or not? Definition of 'Adjusted Closing Price': A...

    Started by Port80‎, 01-21-2012 12:46 PM
    independant data
    • Replies: 0
    • Views: 1,213
    01-21-2012, 12:46 PM Go to last post
  15. Adjusted principal component analysis

    Hi, I was wondering if it is possible to perform an age adjusted principal component analysis just like it is done for linear regression (finding...

    Started by francy‎, 10-20-2011 11:01 AM
    principal components
    • Replies: 2
    • Views: 2,516
    10-20-2011, 05:27 PM Go to last post
  16. Adjusted R squared interpretation

    I've always had the adjusted R squared interpretation explained to me in the following way (quoted from wikipedia) Adjusted R2 is a modification...

    Started by nathanwands‎, 07-03-2009 11:59 AM
    • Replies: 1
    • Views: 118,509
    07-03-2009, 12:51 PM Go to last post
  17. Adjusted R-Square help

    Iíve just picked up my thesis from a 3 year hiatus so things are (more than) a little rusty. I need some help with interpreting adjusted R squares. ...

    Started by PhDoverdue‎, 03-25-2011 03:44 AM
    adjusted r-square
    • Replies: 4
    • Views: 14,607
    03-26-2011, 09:35 AM Go to last post
  18. adjusted residuals or standardized residuals?

    Hi, I am performing chi-square analyses for my dissertation data and am wondering about appropriate "post-hoc" analyses when chi-square values are...

    Started by rydingray‎, 06-21-2006 09:19 AM
    • Replies: 2
    • Views: 15,155
    06-27-2006, 03:58 PM Go to last post
  19. Adjusted t-test

    Hello everyone! I am new here. I would be over the moon (!) if someone could help me crack this, probably a minor, problem that I have.. I...

    Started by waheedah‎, 04-23-2009 11:21 AM
    • Replies: 0
    • Views: 4,358
    04-23-2009, 11:21 AM Go to last post
  20. Adjusting expected variance of a time series for autocovariance

    The question i have is simply how to correctly adjust expected variance of a time series for autocovariance. Example: You have a time series of...

    Started by lagged‎, 10-20-2008 06:05 PM
    • Replies: 0
    • Views: 3,456
    10-20-2008, 06:05 PM Go to last post
  21. Adjusting for covariates in correlation test

    Hi, I wonder if it is possible to adjust for covariates when we use PROC CORR (correlation test) in SAS. Thanks!

    Started by cardinal‎, 05-18-2017 04:14 PM
    correlation, sas, spearman
    • Replies: 4
    • Views: 1,486
    06-22-2017, 02:26 PM Go to last post
  22. Adjusting means for different sample sizes

    Hello, I have calculated the mean score for several variables. Because there is a big difference in the number of respondents for each variable it...

    Started by Clarke_Kent‎, 08-10-2014 06:23 AM
    adjusted difficulty, adjusted mean, unequal sample sizes
    • Replies: 3
    • Views: 1,700
    08-11-2014, 03:49 PM Go to last post
  23. adjusting p value for familywise error rate

    I have conducted a MANOVA for a data set and have found interactions. I explored the interaction with ANOVA and then t tests. What are the...

    Started by jamie157‎, 09-22-2013 07:50 AM
    • Replies: 4
    • Views: 2,038
    10-02-2013, 08:14 AM Go to last post
  24. Adjusting regression for finite populations

    I have a sample of 150 from a population of 300, so when deciding whether a variable is significant in a regression I need to use a finite population...

    Started by stepha‎, 07-28-2006 04:58 AM
    • Replies: 0
    • Views: 2,695
    07-28-2006, 04:58 AM Go to last post
  25. Adjustment for multiple comparisons

    Hi there I am hoping you can help me out with a confusing topic. I have a 2x3x4 repeated measured anova. I have a significant 3-way interaction,...

    Started by physiologist101‎, 09-03-2013 12:51 PM
    anova, bonferroni
    • Replies: 5
    • Views: 3,014
    04-05-2014, 04:17 AM Go to last post
  26. adjustment for multiple comparisons in meta-analysis

    I wrote a meta-analysis on the use of two different drug regimens on the symptoms associated to endometriosis. Four papers were included in the...

    Started by ludomuzii‎, 07-07-2015 07:37 AM
    0.05, metaanalysis, multiple comparisons
    • Replies: 5
    • Views: 1,884
    07-12-2015, 11:59 AM Go to last post
  27. Smile Adressing endogeneity in panel count models

    Moderator, please delete this thread.

    Started by kiton‎, 06-29-2015 01:39 PM
    count data models, endogeneity, negative binomial model, omitted variable bias
    • Replies: 0
    • Views: 1,042
    06-29-2015, 01:39 PM Go to last post
  28. Advanced Stat's Help Needed!!!

    I'm doing statistics as part of my Maths module. And I'm having problems completing a question's within an an upcoming assignment. Any help would be...

    Started by ModernFamily‎, 02-23-2011 01:28 PM
    • Replies: 3
    • Views: 3,265
    02-23-2011, 03:11 PM Go to last post
  29. Thumbs up Advanced Statistics course questions

    Hi guys, I was having trouble solving these exercises and i was hoping someone could provide me with guidance. Exercise: 1)Prove that T^2 ~...

    Started by reuben190‎, 02-10-2012 09:34 PM
    • Replies: 1
    • Views: 2,293
    02-10-2012, 09:48 PM Go to last post
  30. Post advantages and disadvantages of correlation coefficient

    Hi all, ive been looking at a quetion that says "What is the correlation coefficient, what information does it provide about the way two variables...

    Started by Mosphaitus‎, 08-18-2008 06:12 AM
    • Replies: 1
    • Views: 87,521
    08-18-2008, 08:38 AM Go to last post
  31. Advantages of Structural Equation Models

    I have been asked to justify SEM as generating useful information not available through regression. Its important because we have to appeal a policy,...

    Started by noetsi‎, 01-28-2013 05:39 PM
    • Replies: 2
    • Views: 2,655
    01-29-2013, 01:17 PM Go to last post
  32. Advantages to using Ratios

    What are the advantages to using ratios to analyze your results? What could be some possible disadvantages? Thanks. -Links

    Started by links0311‎, 03-14-2009 09:53 PM
    • Replies: 2
    • Views: 6,254
    03-15-2009, 10:19 AM Go to last post
  33. Advertising campaign

    Did I do this correct? Before an intensive TV advertising campaign, the producers of Nike athletic shoes find that 29 of a random sample of 200...

    Started by Jerryberry‎, 01-17-2006 12:45 AM
    • Replies: 1
    • Views: 4,860
    01-17-2006, 01:00 AM Go to last post
  34. Advice (Failure count stats)

    Afternoon all, if you were presented with a dataset which contained failure counts for a piece of machinery split into months how would you go...

    Started by dantheram‎, 01-31-2014 09:00 AM
    • Replies: 1
    • Views: 1,911
    08-07-2014, 03:39 AM Go to last post
  35. advice about constant (error coefficient)

    I have 3 regression models; my error/constant values are 3***, 1.2 and 3.4***. My question is: since the 1.2 is insignificant (so this model...

    Started by 7788‎, 04-20-2010 10:19 AM
    • Replies: 0
    • Views: 2,257
    04-20-2010, 10:19 AM Go to last post
  36. advice for non-parametric MANOVA test?

    Hi, I'm looking for some advice as to which test to use to analyse my data. I would like to test for differences in bivariate distribution...

    Started by CarolineWallis‎, 02-08-2012 02:10 PM
    • Replies: 0
    • Views: 1,661
    02-08-2012, 02:10 PM Go to last post
  37. Advice needed on 3 way contingency tables and negetive binomial distribution question

    Hi I'm new to the forum so sorry if I'm being rude or impolite in any way, I had an exam in the summer and I thought I did well in it but when I got...

    Started by Josh8642‎, 08-15-2016 03:40 PM
    • Replies: 1
    • Views: 877
    08-15-2016, 03:52 PM Go to last post
  38. Advice needed on appropriate statistical test

    Hi there. Thanks for taking the time to read this post. I have recently become unstuck trying to statistically analyze some new data. ...

    Started by bdfolw‎, 09-03-2012 08:07 AM
    • Replies: 0
    • Views: 966
    09-03-2012, 08:07 AM Go to last post
  39. Question advice needed on selecting appropriate test

    Hi, can anyone help? I surveyed 65 consumers and asked them to rate different motivational factors which influenced local food purchases ...

    Started by heb10‎, 08-02-2010 11:26 AM
    • Replies: 0
    • Views: 2,201
    08-02-2010, 11:26 AM Go to last post
  40. Advice Needed: Multi-Response Question & One- or Two-Tailed Test

    In a particular question, respondents were able to select as many response options as apply to them; hence, the sum of the proportions for all...

    Started by smc‎, 10-22-2013 10:43 AM
    • Replies: 1
    • Views: 1,294
    10-22-2013, 03:04 PM Go to last post
  41. Advice on an average math student going to grad school for statistics

    Greetings, I ran into this forum when trying to look for some nice probably problems.I found out this is a really cool place to talk about stats, so...

    Started by semic‎, 12-11-2008 02:10 PM
    • Replies: 2
    • Views: 7,535
    12-11-2008, 04:40 PM Go to last post
  42. advice on analysis of quanititative data

    Hi guys, I apologise if this sounds naive. I'm currently doing a data analysis for a survey I have carried out, its basically about whether...

    Started by sovk1n6‎, 04-03-2011 05:28 PM
    • Replies: 2
    • Views: 2,613
    04-04-2011, 02:31 PM Go to last post
  43. Advice on best method of analysis

    Hi all, I have a problem and I need some advice as to the best way to approach it. This is a real life problem, not for a course or anything. I'm...

    Started by Cleland‎, 12-20-2013 05:46 AM
    • Replies: 4
    • Views: 2,606
    12-20-2013, 10:36 AM Go to last post
  44. Advice on comparative analysis between two groups on Likert scale questionnaire

    Hi everyone, I'm stuck on my dissertation which is due next week. I'm a business major student and my project is a comparative research on corporate...

    Started by Frankfoot‎, 06-02-2012 08:05 AM
    likert interpretation, likert scale analysis
    • Replies: 0
    • Views: 1,415
    06-02-2012, 08:05 AM Go to last post
  45. Question Advice on how to tackle these questions / Which methods to use

    Hi - Could I get some advice of which type of statistics I should use to represent my data on the best possible way? I have 76 participants with...

    Started by ba10s118‎, 04-19-2016 07:18 AM
    • Replies: 0
    • Views: 1,343
    04-19-2016, 07:18 AM Go to last post
  46. advice on improving a call center rating

    I am hoping to seek a professional and expert opinion in a multi regression problem. Attached is a call centre file and from your opinion, which...

    Started by simon.chia‎, 03-21-2013 06:41 PM
    • Replies: 0
    • Views: 752
    03-21-2013, 06:41 PM Go to last post
  47. Advice on type of test to use

    Hi guys. I have performed a study looking a 2 groups of people and how a particular blood test may be related to a disease. My two groups are 1)...

    Started by osiris‎, 12-13-2006 11:03 AM
    • Replies: 1
    • Views: 2,392
    12-15-2006, 06:31 PM Go to last post
  48. Advice requested about mixed ANOVA

    Hi I'm studying the effect of different music styles on performance tasks. I'm considering a mixed ANOVA analysis, but I'm not very confident...

    Started by sconnar‎, 01-18-2017 06:59 AM
    • Replies: 3
    • Views: 2,340
    01-19-2017, 02:15 PM Go to last post
  49. Advice to improve Monte Carlo Simulation (Uncertainty Analysis)

    Hello! Can anyone suggest me any method or technique to improve Monte Carlo Simulation (Sampling Method) on Uncertainty Analysis? Thanks! ~~

    Started by af_231‎, 03-13-2012 11:38 PM
    • Replies: 2
    • Views: 1,628
    03-14-2012, 04:20 AM Go to last post
  50. Advice with stepwise regression

    Hi there First time post, hope Iíve posted in the right place :) I wonder if I anyone could advise about the statistics on a study I am doing ...

    Started by TraumaAuditMonkey‎, 11-05-2009 05:32 AM
    • Replies: 3
    • Views: 3,543
    11-11-2009, 09:32 AM Go to last post
  51. Advice/help

    Hi all first post from a complete statistics-phobe, I'm just looking for a little advice pointing in the right direction. I'm a first year teacher...

    Started by timmyotool‎, 04-09-2013 07:28 AM
    • Replies: 2
    • Views: 1,307
    04-09-2013, 04:40 PM Go to last post
  52. advise me on my data analysis: chi-square goodness of fit / pooling data

    Hi, I'm new to the forum but have a feeling i'll be hanging around quite a bit now that I found you all! :wave: I have biological data that I...

    Started by soooley1‎, 04-04-2010 08:14 PM
    • Replies: 0
    • Views: 6,041
    04-04-2010, 08:14 PM Go to last post
  53. Advise on best statistical test.

    Hi all I have some ratios which differ seasonally. I want to determine if the ratios are significantly different but im not sure which test to...

    Started by StuckWithStatsStan‎, 03-13-2012 08:43 AM
    • Replies: 1
    • Views: 2,015
    03-13-2012, 09:47 AM Go to last post
  54. Affirmation of Analysis Write-up

    Hi all, I am new to this forum and looking for somebody with statistical experience to affirm the write up of my results. I completely understand...

    Started by se33‎, 02-22-2016 04:20 PM
    • Replies: 9
    • Views: 1,529
    02-24-2016, 03:37 PM Go to last post
  55. After a significant MANOVA, is the next proper step to run univariate ANOVAs?

    So I've heard both sides of this and am curious what you guys think. Some sources that I have read have said that after a significant MANOVA, you...

    Started by srpang89‎, 12-06-2015 07:51 PM
    • Replies: 0
    • Views: 929
    12-06-2015, 07:51 PM Go to last post
  56. Again with the 68-95-99.7 rule

    If I have normally distribued test scores with a mean of 100 and a standard deviation of 20: Percentage scores greater than 120 would be....16%?...

    Started by jenclark242‎, 09-28-2010 08:35 AM
    • Replies: 2
    • Views: 3,587
    09-28-2010, 09:09 AM Go to last post
  57. Age Adjustment Issue

    Hi Guys, Noob here. But i have this problem. I have a dataset with two different classification bands of age group and corresponding data. is...

    Started by eemrun‎, 07-24-2013 06:53 PM
    • Replies: 0
    • Views: 952
    07-24-2013, 06:53 PM Go to last post
  58. Question age and Mann-Whitney test

    urgent question, i have the age variable not normaly ditrrebuted and i wanted to explore its association with the outcome (not case , case) at...

    Started by nurul‎, 08-26-2010 08:31 AM
    • Replies: 1
    • Views: 3,988
    08-26-2010, 09:50 AM Go to last post
  59. Age as a Dependent variable in 2-way ANOVA?

    Hi, I have a dataset comprising of Ages and Genders of patients in two WardUnits. I want to determine if patient Ages differ by WardUnit and...

    Started by piney‎, 09-03-2014 08:29 PM
    • Replies: 9
    • Views: 2,644
    09-05-2014, 10:33 AM Go to last post
  60. age distribution - obtaining sample accuracy with unevenly populated dataset

    Hi. I'm working on a university research project and want to analyse a dataset but have zero statistics training. The dataset is of several thousand...

    Started by bertiewooster‎, 09-02-2013 08:49 AM
    age distribution
    • Replies: 0
    • Views: 1,409
    09-02-2013, 08:49 AM Go to last post

+ Post New Thread
Page 8 of 294 FirstFirst 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 58 108 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 300 views
Hot thread with unread posts
More than 15 replies or 300 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Advertise on Talk Stats