1. 10-14-2010
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# Forum: General Discussion

Other topics related to statistics.

1. ### 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...

• Replies: 10
• Views: 383
02-25-2014, 05:33 PM
2. ### 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...

• Replies: 13
• Views: 7,086
06-16-2010, 01:00 PM
3. ### 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...

• Replies: 3
• Views: 6,106
04-09-2010, 09:24 AM
1. ### R to latex

I've recently learned to output R figures and tables as latex code that I can then easily call into a document. Given the popularity of things like...

• Replies: 3
• Views: 130
02-28-2014, 01:42 AM
2. ### Weighted arithmetic mean of percentages

Hi everyone, I got a basic question I can't quite wrap my head around. The following values for occurrences from a table: Group 1 average 60%...

• Replies: 3
• Views: 159
02-21-2014, 07:10 AM
3. ### Help!! Chi squared Test

Hello, I have the following data set: Autism: 10, 4, 1, 0, Total 15 Total: 213, 146, 25, 24, Total 408 Sheds: 0, 1, 2, 3 The data...

• Replies: 0
• Views: 122
02-20-2014, 01:44 PM
4. ### Hamming distance for Presence-Absence

Hi, I am trying to compare species presents into specific areas and look for comparison. I don't have aboundance data but Presence-absence in the...

• Replies: 0
• Views: 64
02-19-2014, 05:13 AM
5. ### Newbie question

Hello, I hope this is the right place to post this question. Sorry, I have little knowledge of stats, so not sure where to start. I am looking...

• Replies: 3
• Views: 191
02-15-2014, 04:31 AM
6. ### PowerAndSampleSize.com

So I'm starting a website (see thread title) devoted to statistical power analysis and sample size determination. Why? B/c I make power/sample size...

• Replies: 18
• Views: 440
02-12-2014, 03:51 PM
7. ### Is regression more important/broader than Anova?

Hello In my book which has been used for 3 courses in probability and statistics they give Anova and regression almost the same abount of space....

• Replies: 5
• Views: 185
02-05-2014, 04:18 PM
8. ### Rank factor

Hi all, I collected data that has been given ranking from 1 to 13 by respondent, as show below H All, I have a survey data as show below ...

• Replies: 2
• Views: 179
02-05-2014, 12:23 PM
9. ### questions about manifest and latent variables

hi i have 2 main questions Latent variables are unobserved variables that are measured by multiple observed items(called manifest variables). ...

• Replies: 6
• Views: 191
01-30-2014, 01:10 PM
10. ### {LINUX] Update warnings

I have a problem with updatin my sysytem (LINUX MINT 14 MATE ED.). This is just a sample of the output: W: Failed to fetch...

• Replies: 7
• Views: 347
01-19-2014, 05:29 PM
11. ### how many citations before an article is "influential"?

i am in need of conducting a "systematic" review of sort of "influential" articles. i thought the best way to consider an article as "influential" is...

• Replies: 9
• Views: 321
01-12-2014, 06:36 PM
12. ### How to answer such interview questions?

Hi All, I recently had an interview for a position of a Statistical analyst, and I got asked a very interesting and unusual question, that I had...

• Replies: 2
• Views: 156
01-12-2014, 05:03 PM
13. ### research topic

Hi everyone , I am post graduate student studying statistics .There is a national level conference ,am applying for that and need to submit a oral...

• Replies: 0
• Views: 100
01-12-2014, 04:58 AM
14. ### Senior year of high school

I am going into my senior year of high school which means it's time to start looking into colleges. I can't believe how much is involved with all of...

• Replies: 1
• Views: 209
01-04-2014, 06:53 AM
15. ### newbie question

I took a stats class about 20 years ago so apologizes up front if the answer here should be obvious. Scenario is an online forum where there is...

• Replies: 4
• Views: 411
12-31-2013, 12:30 PM
16. ### Reliability for summation index from binary variables

Hello all. This might be simple to some of you but I'm stuck with it at the moment. Hence this call for help. I'm trying to create a sum index...

• Replies: 0
• Views: 171
12-29-2013, 05:05 AM
17. ### University Survey on Parallel Computing in Statistics

Dear colleagues, I hope that the initiative below is appropriate and of interest to be posted through the Talk Stats forum. The Centre for...

• Replies: 3
• Views: 417
12-12-2013, 09:18 AM
18. ### Is my data ordinal or categorical?

Hi, I am new to statistics and working on a project as part of a psychology degree. The project involves observing a parent and child interacting and...

• Replies: 7
• Views: 328
12-11-2013, 08:41 AM
19. ### Senslope as a percentage

Hi, I found a way to express the nonparametric senslope (which is a median slope joining all pairs of observations) by dividing the senslope by...

• Replies: 0
• Views: 133
12-10-2013, 01:55 PM
20. ### Question on weighting of survey data

Hi there, I have recently concluded a survey and am working on the weighting of the survey data. I would like to weight the survey data by...

• Replies: 4
• Views: 990
11-20-2013, 08:43 PM
21. ### Statistics in Movies

Dear Friends, We are planning to organize a statistics workshop for high school students. In this workshop, we need to screen a movie which uses...

• Replies: 8
• Views: 951
11-04-2013, 08:59 AM
22. ### Odd statistical argument needs resolution, thanks.

Hi all. I'm having a silly argument online and I need help as my statistics skills are self-taught and very spotty, at best. I assert that, in a...

• Replies: 0
• Views: 419
10-31-2013, 09:45 AM
23. ### Yet another reason of why you should NEVER replicate a published study...

on my friday lab meeting (which i will sadly be missing because i'm going to Disney World!!! wooohoo!!!) we will be discussing the article, the...

• Replies: 4
• Views: 282
10-31-2013, 07:59 AM
24. ### Beginner question: similairity between samples

hello forum, at first i want to appologize for may be asking some simple straighforward question, because i don't have much background in...

• Replies: 6
• Views: 480
10-17-2013, 01:23 AM
25. ### Multivariate analyis and MANOVA

Hey I couldn't find an appropriate section to post this in so planting it here in the general discussion forum. Currently doing a project and...

• Replies: 0
• Views: 178
10-11-2013, 01:28 PM
26. ### how to prove the set conculsion:(B-A)U A=B (if A is subset of B)?

how to prove the set conculsion:(B-A)U A=B (if A is subset of B)?

• Replies: 1
• Views: 284
BGM
10-03-2013, 05:17 AM
27. ### Attempting to fix the Online Data Repository

There are a few data set repositories online, and some of them have gained a degree of popularity with academics and data scientists. However,...

• Replies: 0
• Views: 385
09-12-2013, 08:01 AM
28. ### Do TSers pick threads with titles indicating misery or urgent help?

• Replies: 2
• Views: 526
09-06-2013, 05:16 AM
29. ### License plate number probability

I have a real life probability question. California license plates are 7 digits. This actually happened: My sister received a randomly...

• Replies: 2
• Views: 1,005
08-22-2013, 01:39 PM
30. ### 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...

• Replies: 11
• Views: 6,417
08-18-2013, 09:39 PM
31. ### CI for p doesn't match hypothesis test.

I knew it was possible but never actually ran into it before with some real data. The confidence interval for p produced by R didn't match the...

• Replies: 1
• Views: 448
08-14-2013, 03:59 PM
32. ### DEATH TO Tabachnick !!!!!

.... just sayin'

• Replies: 0
• Views: 292
08-13-2013, 07:42 PM
33. ### The Fraction That Is Random

The number of random strings of uniform distribution out of all of the possible strings of bits that are n bits in length is a fraction that would...

• Replies: 3
• Views: 452
08-06-2013, 10:17 AM
34. ### [Measurement] What do we need to know about the differences for interval measurement?

I've working again on my off-again on-again attempt to provide a guide to the whole controversy of admissable statistics. Something's troubling me...

• Replies: 4
• Views: 486
08-03-2013, 02:05 AM
35. ### need help with ANOVA

Hello everybody, I am new to the forum and not well versed in statistics. Below is a question from a reviewer from one of my manuscripts. I really...

• Replies: 2
• Views: 395
07-25-2013, 12:29 AM
36. ### Is this sample representative?

I have a sample of 1500 items electronic items collected. 109 items out of them were taken to be dismantled. I performed ANOVA and Dummy regression...

• Replies: 2
• Views: 395
07-22-2013, 03:36 PM
37. ### Kindly need advise: what statistical package runs well on MAC?

Hi all, I kindly need your advise, what statistical package that has full MAC support? I already have SPSS and R, but I try to use any variant of...

• Replies: 3
• Views: 599
07-17-2013, 11:12 AM
38. ### [LINUX QUESTION] Remove text from desktop icons

This is more of and aesthetics issue, but recently I upgraded to MINT 14 and I would like to remove the text from my "computer" and "home" desktop...

• Replies: 9
• Views: 635
07-15-2013, 06:00 AM
39. ### Sample size to guarantee I have at least ONE part from the lower 25% of the populatio

Parts came from supplier with a heat treat process missing. Parts are soft, ranging from 16 to 21, Mean = 18, SD=1.26 (should be Rc 28 or greater)...

• Replies: 6
• Views: 755
07-02-2013, 07:14 AM
40. ### Hello Everyone- help me out with an applied Geography problem?

Hey folks- hope this is the right place to post this- I'm new here so if not don't be too harsh on me. :) Anyways I am about four years out of my...

• Replies: 1
• Views: 302
07-01-2013, 11:48 PM
41. ### [SOLVED] Need a Software Recommendation for Time Series Analysis and Oracle Database

Help!! I am an entry-level professional with a degree in Mathematics. My new position is in the transportation logistics field, and I am the...

• Replies: 4
• Views: 434
07-01-2013, 10:16 AM
42. ### How poor statistics led to conviction for murder: the case of Lucia de Berk

I thought this might be of interest to some of you. Some time ago in my country, The Netherlands, a nurse was wrongly convicted for murder of several...

• Replies: 1
• Views: 838
06-29-2013, 02:46 AM
43. ### Statistical analysis on online betting industry?

Hi! i'm currently working for an online betting company and i would need some help on how to come up with risk indications. I believe some...

• Replies: 0
• Views: 324
06-20-2013, 04:24 AM
44. ### Default Bayesian alternatives to some simple models

This thread is more to kick off a discussion than ask questions exactly... maybe even a bit of debate? Ok, so we've all heard time and again that...

• Replies: 16
• Views: 1,779
06-12-2013, 05:40 AM
45. ### Ultimate Gambling Question

Hi. I wonder if you can help me. I very much believe that it is possible to make long-term profits by betting on ante post accumulators in sports...

• Replies: 2
• Views: 427
05-28-2013, 08:15 AM
46. ### Need help understanding an answer to a stats question

Can someone please explain an answer I received for the following stats quiz? The background: The cost of college has increased. Massively. But...

• Replies: 1
• Views: 379
05-22-2013, 09:36 AM
47. ### Statistics exam in 3 weeks!

Hey guys, I have my basic business statistics exam in 3 weeks. It's my second try. I'm currently looking pretty ****ty for it, i'm stressed as...

• Replies: 0
• Views: 406
05-22-2013, 04:13 AM
48. ### Why 30 as sample size?

I've read that 30 is a good rule of thumb in most cases for an adequate sample size. Most places say that this is just an agreed upon approximation...

• Replies: 7
• Views: 3,925
05-17-2013, 03:08 PM
49. ### US investment data source

Hello! I'm really sorry that my question is somewhat off-topic, but I'd be really grateful if you could still help me. I'm searching for data...

• Replies: 0
• Views: 358
05-16-2013, 11:36 AM
50. ### mixture of experts of time sereis

hello, Someone here has to do with the Mixture of Experts model? I need help in parameter estimation. Please help me.

• Replies: 2
• Views: 399
05-15-2013, 07:55 AM
51. ### Why do these patterns occur in powers

A strange question but something I have wondered for a long time. If you look at the differences in squares there is an obvious pattern. o 1 ...

• Replies: 2
• Views: 420
05-02-2013, 03:38 PM
52. ### Statistics Resources and Worksheets

Hi, I am doing an exam and would like more practice. I thought I saw a sticky on here, similar to the one titled, "Info for R users (Links,...

• Replies: 0
• Views: 374
04-17-2013, 11:59 PM
53. ### lmer, p-values and all that, an essay by Douglas Bates.

Dear Forum people, I found this highly enjoyable to read, and after a few discussion on lmer, likelihood-ratios test, AIC selection and anova...

• Replies: 0
• Views: 711
04-17-2013, 06:42 AM
54. ### Every chat GretaGarbo has ever posted

I think Greta would hunt me down if I followed through on the thread title...

• Replies: 5
• Views: 620
04-13-2013, 01:46 PM
55. ### MDS and PCA doubt

Hi. I have abundance data for biological species from different samples. I've been trying to study the relationship between the samples. I've tried...

• Replies: 16
• Views: 2,203
04-08-2013, 11:18 PM
56. ### Designing A Poll - Need Your Brilliant Stats Mind!

Hey guys, I'm new here! I'm creating a poll for my gardening website with a hope of extracting some interesting data. I just want to make sure I...

• Replies: 0
• Views: 455
04-02-2013, 11:15 AM
57. ### When Log10 is not sufficient to achieve normal distribution...

I've examined numberious ways to get my positive skewed data to conform statistically via Shapiro-Wilkes to no avail - Log10 appears to visually...

• Replies: 6
• Views: 878
04-01-2013, 02:02 PM
58. ### Asking multiple research questions of the same data set; when is the n "large enough"

Hi everyone, Context: I was recently told that I may not use the experimental data I collected from 315 participants for future studies,...

• Replies: 1
• Views: 581
04-01-2013, 01:32 PM

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