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Forum: General Discussion

Other topics related to statistics.

  1. Sticky Thread Sticky: Why are so few questions being answered?

    I am a software developer, currently in graduate school for general mathematics, who intends a career in statistical programming. I have begun...

    Started by SlideRule‎, 02-05-2009 09:22 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 33,133
    11-08-2017, 05:57 PM Go to last post
  2. Sticky Thread Sticky: Interesting (non-research) Statistics Articles

    We all see interesting articles online in various places. I figured it would be nice to have a place to share these articles. I'll start with an...

    Started by Dason‎, 01-19-2014 05:35 PM
    • Replies: 14
    • Views: 18,089
    07-27-2016, 04:37 AM Go to last post
  3. Sticky Thread Sticky: Math Typesetting in LaTex

    Talk Stats forum now supports math typesetting in LaTex. We have added two tags math] and /math]. Include your LaTex code within the tags and...

    Started by quark‎, 03-01-2010 06:32 AM
    • Replies: 3
    • Views: 20,383
    04-09-2010, 09:24 AM Go to last post
  1. Poll Poll: Noble Prize for Statistics

    In the German R-Statistics forum we lately had a discussion, that among others came to the point, that there is no Noble Prize for statistics. ...

    Started by consuli‎, 11-12-2017 09:32 AM
    • Replies: 14
    • Views: 284
    11-15-2017, 01:54 PM Go to last post
  2. Z test: can I use it in this context ?

    Hello all. Nice to meet you. I would like to consult you regarding a problem I'm facing: Imagin you have a dataset containing all of the operating...

    Started by moranreznik‎, 10-31-2017 01:13 PM
    significance, test of significance, z test
    • Replies: 0
    • Views: 162
    10-31-2017, 01:13 PM Go to last post
  3. Password Managers

    Currently my system for generating and saving passwords is probably less than ideal. I was wondering if anybody uses a password manager and if so...

    Started by Dason‎, 10-25-2017 08:27 PM
    • Replies: 5
    • Views: 257
    10-26-2017, 03:11 PM Go to last post
  4. Sample Size comparison

    I am trying to, in Excel, compare two samples of the same material that are different sizes to compare the relative defect rate. Can anyone help me...

    Started by Compliance Carl‎, 09-18-2017 08:30 AM
    • Replies: 4
    • Views: 846
    09-18-2017, 03:16 PM Go to last post
  5. Need formula to determine size of group

    I have 16 questions in an exam that chooses 3 questions at random each time the exam is presented. How many times must the exam be taken in order to...

    Started by aoswald‎, 08-28-2017 01:58 PM
    exam question, random factor
    • Replies: 0
    • Views: 639
    08-28-2017, 01:58 PM Go to last post
  6. Random numbers

    Generally, I use NORMDIST() function to generate random numbers giving Mean and SD of my choice (based on the data set I have). Is there any way...

    Started by raza‎, 10-13-2008 01:06 AM
    • Replies: 12
    • Views: 12,280
    08-11-2017, 09:20 AM Go to last post
  7. Non Random Sampling

    I have two spatial populations, one that is declustered and smoothed and I want to use that as a complete population. I have the original...

    Started by geostat‎, 07-11-2017 03:29 PM
    • Replies: 0
    • Views: 746
    07-11-2017, 03:29 PM Go to last post
  8. Smile Benefits of ISO Certification for Business?

    Hello there, Today, I have come up with the good question. And I wanted to know how ISO Certification can help your business? What is your thought?

    Started by Farshi‎, 06-12-2017 01:00 PM
    • Replies: 0
    • Views: 1,182
    06-12-2017, 01:00 PM Go to last post
  9. Question Need help understanding how to get non-statistical people to understand results

    Hey, I want to see if there a way to pull some information from this report to see if there is a way that I can express it as a % so it is easier...

    Started by New Reality‎, 05-12-2017 07:04 PM
    • Replies: 0
    • Views: 2,305
    05-12-2017, 07:04 PM Go to last post
  10. Test post for Greta

    Greta can you see this

    Started by Dason‎, 05-06-2017 02:40 PM
    • Replies: 1
    • Views: 1,622
    05-06-2017, 02:42 PM Go to last post
  11. How to know which ML algorithm to choose

    I've been reading and practicing R and various machine learning algorithms for the past several months now. One thing I'm not so sure about still...

    Started by semidevil‎, 04-04-2017 11:34 AM
    • Replies: 6
    • Views: 2,069
    04-29-2017, 01:20 PM Go to last post
  12. Gender as a mediatior

    When would it ever be good practice to dichotomize variables when assessing interaction effects?

    Started by Vince7‎, 04-23-2017 01:36 PM
    • Replies: 1
    • Views: 1,088
    04-23-2017, 05:06 PM Go to last post
  13. When should you normalize/scale your data?

    I understand the purpose of normalizing/scaling, but I don't know when I should or should not do it when working with machine learning algorithms. ...

    Started by semidevil‎, 04-08-2017 05:09 PM
    • Replies: 0
    • Views: 1,395
    04-08-2017, 05:09 PM Go to last post
  14. Moderation or Mediation?

    Hi, sorry i'm a psychology student and still new to advanced statistics. For my dissertation i'm thinking of looking at the relationship between...

    Started by C_T‎, 04-07-2017 10:00 AM
    body image, cosmetic surgery, mediation, moderation, self esteem
    • Replies: 2
    • Views: 1,039
    04-07-2017, 10:42 AM Go to last post
  15. Determining the probability of a condition occurring

    I am looking to determine a sound procedure for the analysis of some data to determine what is most likely to occur given sample plot data amongst a...

    Started by dmhcampbell‎, 02-27-2017 03:00 PM
    • Replies: 1
    • Views: 2,682
    02-28-2017, 12:38 PM Go to last post
  16. How to generate data that meets two requirments

    Hello I am trying to generate a random set of data that should have a certain shape, lets say a normal distribution shape, where its maximum value...

    Started by manar‎, 02-24-2017 02:54 PM
    • Replies: 3
    • Views: 2,150
    02-25-2017, 07:01 PM Go to last post
  17. Beginner Help

    Hi, Need a bit of help with appropriate statistical test to use. I have six groups in which each individual achieves a score in a amount of...

    Started by daffers1986‎, 02-22-2017 02:45 PM
    • Replies: 0
    • Views: 1,627
    02-22-2017, 02:45 PM Go to last post
  18. Exclamation How to apply equations from academic papers?

    Hello all Stat Masters, I am a poor student and I have this silly question regarding the actual use of equations/formulas I read in some academic...

    Started by mkongx12‎, 02-20-2017 09:19 PM
    • Replies: 2
    • Views: 2,165
    02-21-2017, 11:41 AM Go to last post
  19. Stats Help needed for a project!

    Hi Stats Fans, I need your help, as I am stuck with data I collected for a project. I am currently gathering responses about mitigation strategies...

    Started by Kimi‎, 01-27-2017 04:08 PM
    count, data, project, significance, test
    • Replies: 6
    • Views: 4,041
    01-29-2017, 04:15 AM Go to last post
  20. Nonlinear least squares method and its assumptions

    I know that when estimating and using ordinary least squares, irregular terms have to be iid N(0, σ2 ). Now I want to use nonlinear least squares...

    Started by Bablowski‎, 12-13-2016 07:40 AM
    estimation, irregular term, non linear least squares
    • Replies: 0
    • Views: 4,871
    12-13-2016, 07:40 AM Go to last post
  21. Best Calculator?

    New to Statistics and new to the forum. I am finishing an Into to Stats class and will be taking another one next year. At this time I'm...

    Started by Mozz‎, 12-08-2016 07:34 PM
    • Replies: 2
    • Views: 4,616
    12-08-2016, 08:24 PM Go to last post
  22. Lightbulb Analyzing & weighing satisfaction survey data results.

    I have a question for the group, say I'm a restaurant owner that distributes a satisfaction survey to my customers, asking them to rate multiple...

    Started by brnjnsvld‎, 11-28-2016 06:36 PM
    satisfaction, scorecard, survey, survey analysis, weighted data
    • Replies: 1
    • Views: 5,102
    11-29-2016, 11:59 AM Go to last post
  23. Newbie HR guy - how to best forecast retirements in company

    Hi - I am a HR professional looking to self learn statistical modeling for new responsibilities at work..Need to forecast no. of employees who may...

    Started by jaikumar‎, 11-24-2016 01:25 PM
    bayesian formula, employee retirement, forecasting, predictive model, projection
    • Replies: 0
    • Views: 2,774
    11-24-2016, 01:25 PM Go to last post
  24. Poll Poll: Employer using Timetracking data to compare averages is not statistically sound?

    I work at a tropical fish wholsaler, on land as an aquarist. My job is to keep the animals alive, disease-free, happy and healthy. We have over 15...

    Started by zachtaylor008‎, 11-07-2016 05:49 PM
    • Replies: 1
    • Views: 3,830
    11-23-2016, 02:16 AM Go to last post
  25. I''ll appreciate your help! TY

    Hello, I am selling books in 3 different locations and what I do is order books from other places via online then re-sell. I would just like to...

    Started by lilypad‎, 10-15-2016 11:06 AM
    • Replies: 2
    • Views: 4,420
    10-19-2016, 01:35 PM Go to last post
  26. How to get started with machine learning techniques

    I'm about a couple months into learning machine learning concepts and would really like general guidance on how to proceed with analysis' using R. ...

    Started by semidevil‎, 10-13-2016 12:23 PM
    • Replies: 4
    • Views: 4,018
    10-14-2016, 11:49 AM Go to last post
  27. Candy Preference and Age

    I was getting ready to go to bed last night and my wife asked me what type of chocolate candy I prefer from a list of 4, then what type of sugary...

    Started by hlsmith‎, 10-13-2016 01:22 PM
    • Replies: 3
    • Views: 3,967
    10-14-2016, 06:23 AM Go to last post
  28. Machine learning books

    Hey guys, im currently writing my masters thesis using predictive tools for toxicity (structure activity relationship as well as all kinds of...

    Started by lilchaos‎, 09-21-2016 09:16 AM
    • Replies: 8
    • Views: 4,931
    10-03-2016, 07:22 PM Go to last post
  29. Benefits of Understanding Statistics

    Do you feel that understanding statistics at minimum on the undergraduate level benefits you personally in any way other than just for the sake of...

    Started by StilloftheNight‎, 06-14-2016 03:34 AM
    provocative title
    • Replies: 14
    • Views: 6,903
    09-11-2016, 11:21 AM Go to last post
  30. The choice of the method

    Hi, Just would like to ask for some of your valuable advice! I am working on the project which would like to use the small sample to estimate...

    Started by Ming‎, 09-02-2016 09:48 PM
    • Replies: 0
    • Views: 3,335
    09-02-2016, 09:48 PM Go to last post
  31. Game theory? Optimal play in a social deduction game (Werewolf/Mafia)

    Anyone interested in helping me with a problem I've got? It relates to the group social deduction game "Werewolf" (a variant on 'Mafia'),...

    Started by Nick Bretagna‎, 08-14-2016 01:54 AM
    game theory, mafia, werewolf
    • Replies: 0
    • Views: 3,651
    08-14-2016, 01:54 AM Go to last post
  32. Missing Data Bias References

    Hi there. I am currently writing a university level statistics dissertation. As part of the project I collected data on the personal characteristics...

    Started by donoghue9‎, 07-31-2016 02:55 PM
    • Replies: 0
    • Views: 2,937
    07-31-2016, 02:55 PM Go to last post
  33. How does the Central Limit Theorem explain the empirical rule? student question

    How does the Central Limit Theorem explain the empirical rule? engineering student in need of some conceptual assistance? thanks

    Started by AR Clone‎, 07-29-2016 12:53 AM
    central limit theorem, ctl, empirical, empirical rule
    • Replies: 9
    • Views: 4,881
    07-30-2016, 10:52 PM Go to last post
  34. Question Your suggestion to answer data analysis question - Why ?

    ....................

    Started by Nathan_Stats‎, 07-30-2016 12:20 PM
    data anaylysis why
    • Replies: 0
    • Views: 3,242
    07-30-2016, 12:20 PM Go to last post
  35. 1000+ posts, congrats vinux!

    Just a Thread to congratulate vinux on his 1000th post.:eek: He's a person who is always ready to selflessly help the hundreds of people who come...

    Started by TheEcologist‎, 10-05-2009 02:35 AM
    • Replies: 5
    • Views: 6,899
    07-20-2016, 06:36 PM Go to last post
  36. Stationarity of time series and VAR model

    Hello, I have two variables, one is stationary I(0) and one is non-stationary I(1). Is it possible to make VAR model for these two variables if...

    Started by Bablowski‎, 06-20-2016 07:27 AM
    stationarity, time series, var model
    • Replies: 0
    • Views: 3,162
    06-20-2016, 07:27 AM Go to last post
  37. Binomial distribution and rolling dice

    hello! I play a tabletop game and we roll dice for game outcomes. The dice have 8 sides and a certain result (lets call it a success) appears on 2...

    Started by XBear‎, 06-17-2016 03:41 PM
    • Replies: 1
    • Views: 3,580
    06-17-2016, 05:12 PM Go to last post
  38. Methods for data sample consistency

    Hello, I would like to ask you for your opinion: I have one data sample, letīs say with 600 units used for calculating some statistics (for...

    Started by Bablowski‎, 05-31-2016 02:17 AM
    data sample, inconsistency, statistical methods
    • Replies: 0
    • Views: 2,669
    05-31-2016, 02:17 AM Go to last post
  39. which stats test

    I am trying to analyse my data but I do not know which stats test to apply to determine any relationship between results. I have ten units across a...

    Started by statmanuk‎, 05-30-2016 08:19 AM
    which stats test
    • Replies: 0
    • Views: 3,147
    05-30-2016, 08:19 AM Go to last post
  40. Lightbulb Calculated statistic for the college demographic and money spent on food?

    Im working on the marketing portion of my business plan and am having a troublesome time locating any information specifying the college demographic...

    Started by Lparker0916‎, 05-28-2016 02:53 PM
    business statistic, college, food, money
    • Replies: 0
    • Views: 3,086
    05-28-2016, 02:53 PM Go to last post
  41. Discrete labour aupply model

    I want to use that model. I dont undestand it. Can anyone help me? In simple words?

    Started by Lena‎, 05-12-2016 12:37 PM
    • Replies: 1
    • Views: 3,489
    05-27-2016, 02:22 AM Go to last post
  42. Small samples and validity of scientific research

    I often hear semi-informed people dismissing scientific studies that they don't like on the basis that the study used a "small" sample size. Rarely...

    Started by bruin‎, 05-09-2016 10:02 AM
    • Replies: 4
    • Views: 3,366
    05-09-2016, 12:54 PM Go to last post
  43. How to express the lack of statistical significance in Discussion.

    Hi! my manuscript has been accepted to review. However, reviewers have some doubts about the next expression: ". Importantly, the lack of...

    Started by emilio.gonzalez.martinez‎, 05-09-2016 02:34 AM
    • Replies: 3
    • Views: 3,301
    05-09-2016, 09:15 AM Go to last post
  44. Poll Poll: Casino Bonuses, Variance and expected value

    I am looking to get some views on this from people on here, and would be interested to see what people think. I am an engineer. been a few years...

    Started by packtim‎, 05-02-2016 07:08 PM
    • Replies: 0
    • Views: 3,121
    05-02-2016, 07:08 PM Go to last post
  45. Help identifying an approach and a sanity check

    Hello, I am hoping some of you smart statisticians can help me with a problem I am trying to solve. I am trying to build a model that will...

    Started by buckwheattb‎, 04-27-2016 03:09 PM
    • Replies: 0
    • Views: 3,316
    04-27-2016, 03:09 PM Go to last post
  46. Cool Pregnancy rate of unprotected sex between a young couple

    This is an interesting study: "...that recruited 782 young couples who did not use artificial contraception and who carefully recorded the day of...

    Started by delta‎, 02-19-2013 09:46 PM
    • Replies: 1
    • Views: 6,677
    04-22-2016, 06:09 AM Go to last post
  47. Statistical Errors in Research

    http://www.smw.ch/docs/pdf200x/2007/03/smw-11587.pdf What are your opinions on this? How can possible even be? Aren't there supposed to be expert...

    Started by StilloftheNight‎, 03-19-2016 04:31 PM
    • Replies: 4
    • Views: 4,353
    04-20-2016, 04:09 PM Go to last post
  48. Discussion limitations of a study

    Hi, I am writing a manuscript about a cohort study. I have not detect any statistical difference in some parameters in t-student but the number of...

    Started by emilio.gonzalez.martinez‎, 04-19-2016 05:01 AM
    • Replies: 0
    • Views: 3,293
    04-19-2016, 05:01 AM Go to last post
  49. Alcohol content in blood

    I'm trying to code a programme to determine the maximum alcohol content in the blood during an evening of drinking as well as the time until one is...

    Started by Englund‎, 03-22-2016 11:52 AM
    • Replies: 8
    • Views: 4,422
    03-27-2016, 04:26 AM Go to last post
  50. Study design question- adjust for other exposure variables or examine subsets?

    Figured it out. So deleted I guess

    Started by argus1126‎, 03-26-2016 03:51 PM
    • Replies: 1
    • Views: 3,272
    03-27-2016, 03:23 AM Go to last post
  51. Combination, Permutation or Something Different?

    Hi I'm working on a project but I'm not sure if I'm dealing with a Combination, Permutation or something different. I have 5 separate "select...

    Started by scott_dev‎, 03-24-2016 08:20 AM
    combination, permutation
    • Replies: 4
    • Views: 3,664
    03-26-2016, 09:18 AM Go to last post
  52. The ASA's statement on p-values is FINALLY HERE

    even the magic of Disney World can't prevent me from nerding things out a little bit, especially when something THIS BIG. just came out. as some...

    Started by spunky‎, 03-08-2016 02:49 AM
    • Replies: 4
    • Views: 5,164
    03-08-2016, 03:21 PM Go to last post
  53. TUTORIAL Data Envelopment Analysis (DEA) WINDEAP 2.1 (DEAP 2.1 FOR WINDOWS)

    A Data Envelopment Analysis (Computer) Program, Win4DEAP (WINDEAP 2.1) provides a convivial Windows front end for DEAP 2.1 written by Tim Coelli

    Started by OlhDt_semarang‎, 03-07-2016 02:23 AM
    • Replies: 0
    • Views: 5,373
    03-07-2016, 02:23 AM Go to last post
  54. Cool Statistical Term Names

    I thought it might be fun to draft a list of cool names for statistical terms/procedures. Since some of us may not be familiar with them or know...

    Started by hlsmith‎, 01-28-2016 11:05 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 8,638
    03-05-2016, 01:50 PM Go to last post
  55. xnvxzo porzmk

    ergy Mod note: removed url hnzf

    Started by noifyRom‎, 03-03-2016 09:39 PM
    • Replies: 2
    • Views: 3,370
    03-03-2016, 10:46 PM Go to last post
  56. Regression Ridge with NCSS

    Regression Ridge with NCSS. The following figure shows a portion of the ridge regression output in NCSS (NCSS Statistical Software, 2007).

    Started by OlhDt_semarang‎, 02-19-2016 02:09 AM
    • Replies: 0
    • Views: 3,765
    02-19-2016, 02:09 AM Go to last post
  57. read DiCOM images using R

    I have some DICOM format images for my project. I need tips to read it by using R and how to analyse the images?

    Started by vidupranam‎, 02-17-2016 12:35 AM
    • Replies: 0
    • Views: 3,609
    02-17-2016, 12:35 AM Go to last post
  58. how to test the significance of two Machine learning models with one dataset

    HI all, am conducting research to prove the accuracy of Neural network greater than Logisitic then combine it with Genetic Algorithm (GA), so I...

    Started by kormbo2002‎, 02-12-2016 12:01 PM
    • Replies: 2
    • Views: 3,645
    02-12-2016, 02:20 PM Go to last post
  59. Question Which statistic technique should I use?

    I want to test relationship between an ordinal dependent variable and 3 independent variables: 2 ordinal and 1 categorical (7 categories). Is it...

    Started by Katsuga‎, 02-02-2016 08:36 PM
    • Replies: 0
    • Views: 3,044
    02-02-2016, 08:36 PM Go to last post
  60. Could Laplace's Demon be considered a Markov Process?

    Hello everyone, I'm a new member. I teach chemistry and publish writing about science, which latter aim has motivated this post. My understanding...

    Started by thetada‎, 01-29-2016 08:37 AM
    • Replies: 0
    • Views: 3,177
    01-29-2016, 08:37 AM Go to last post

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