1. Announcement:
05-10-2017
Views:
1,849
Page 8 of 73 First 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 ... Last
Threads 421 to 480 of 4336

# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### Logistic regression: trouble finding out which variables are significant

Hi, I'm using logistic regression to analyse a dataset on managerial decision making. Managers have made decisions to fire 2 employees out of a...

• Replies: 7
• Views: 1,512
07-29-2014, 06:12 PM
2. ### Standard Error of Estimate

I am reading a book called Applied Statistics with Excel by G. Keller. On p593 he wrote Standard Error of Estimate=(SSE/n-k-1)^2, and SSE = sum...

• Replies: 7
• Views: 1,976
08-10-2014, 08:42 AM
3. ### Regression when IV are part of DV

I have a DV that is made up of 7 IV. If you combine the IV you get the DV. I want to know the relative impact of each of the IV on the DV (relative...

• Replies: 7
• Views: 2,086
10-10-2014, 01:02 PM
4. ### Why does the coefficient change sign when another variable is added to the OLS model?

Dear all, I am trying to run an OLS regression in Stata 13, with log of per capita calorie as my dependent variable and age and years of education...

• Replies: 7
• Views: 5,702
12-19-2014, 04:27 PM
5. ### Dealing with outliers

We have this discussion from time to time, but it has become more pertinant to me now... Before I begin I should note that I am not really interested...

• Replies: 7
• Views: 3,507
12-30-2014, 10:16 PM
6. ### Interpret continuous variables in binary regression model

I have produced three binary regression models, each showing the odds ratios (ORs) for an outcome (attendance versus non-attendance) Each...

• Replies: 7
• Views: 1,585
jle
04-28-2015, 01:58 AM
7. ### What is the proper name for such kind of regression models - 2-stage or 2-step?

Dear community experts, I've faced an interesting situation, which is out of my area of expertise, so I need an advice here from someone more...

• Replies: 7
• Views: 1,437
06-24-2015, 04:21 PM
8. ### Concerns with using a mix of Continuous and Categorical IVs in Logistic Regression?

Before I get into it, I want to make clear that I'm not a statistics guy. I'm doing what I can to get through a thesis and stumbling my way forward....

• Replies: 7
• Views: 1,493
07-23-2015, 12:30 PM
9. ### Logistic Regression: how can I handle IVs which are correlated?

Hello, I am planning to fit a Logistic Regression model (binary) and I would like to use (among several IVs) 4 predictors that turn out to suffer of...

• Replies: 7
• Views: 1,567
07-24-2015, 09:26 AM
10. ### Relationship between 2 variables & 1 dependant

Hi all, My wife is busy with an assignment that is even giving me grey hair. She needs to determine the relationships between 2 variables and 1...

• Replies: 7
• Views: 1,487
07-30-2015, 07:45 AM
11. ### how to calculate co-efficients

Hi all, This is my first post on this forum. Lets say I have, x vectors (-0.0028, 5.0028, 10.0085, 15.0085, 20.0028) y vectors (0, 5, 10, 15,...

• Replies: 7
• Views: 2,761
09-30-2015, 10:10 PM
12. ### Linear, step wise regression vs binary logistic regression - which method to choose

Dear friends I have a dilemma about choosing a right logistical method. i want to find predictor factors of life satisfaction and have 5...

• Replies: 7
• Views: 1,786
09-29-2015, 07:46 AM
13. ### SE of Reference category in Multinomial Logit Model

I used R to fit a Multinomial Logit model to my data. The data includes some categorical variables as effect coded variables. For example, one...

• Replies: 7
• Views: 2,228
10-15-2015, 09:55 AM
14. ### Help with Interactaction Assesment

Hello! Can anyone explain why my Breslow-Day test for interaction was significant (p=0.0005) but my forward selection logistic regression test for...

• Replies: 7
• Views: 1,738
02-16-2016, 09:19 AM
15. ### Is correction for attenuation in my regression analysis necessary?

Hi everyone, I'd like to know if I should consider a correction for attenuation in a multiple regression I'd like to run on my data. Here's...

• Replies: 7
• Views: 2,056
04-15-2016, 04:39 AM
16. ### Minimum number of cases for the reference level

Before I ask this I have the true population so I am not sure this issue even applies :p Is there a minimum number of cases the reference level...

• Replies: 7
• Views: 1,514
04-26-2016, 03:59 PM
17. ### Combining Two Samples (one w/ intervention and one w/ out intervention)

I have a local dataset with a continuous predictor and binary outcome. I will use logistic regression to predict the binary outcome with the...

• Replies: 7
• Views: 1,655
05-02-2016, 10:01 PM
18. ### Variable transformation in OLS regression

Hi there, I have a question related to the transformation of independent variables in an OLS regression. More specifically: When I transform...

• Replies: 7
• Views: 4,373
06-20-2016, 06:48 PM
19. ### interpreting interaction terms

Hello, I hope that someone may be able to provide some help in my research. I have a 3-way interaction gender (male 0, female 1) by black (black...

• Replies: 7
• Views: 1,465
07-19-2016, 07:18 AM
20. ### Regression MC

Can someone confirm the answers to the below? And advise which ones are incorrect. Thanks! 1) True/False: Models selected by automated variable...

• Replies: 7
• Views: 1,365
04-25-2017, 09:27 AM
21. ### Minimisation of specific residuals

Hello, I hope that I can finde someone here to help me with the following problem: I have 11 points with x and y values. Those points are...

• Replies: 7
• Views: 2,589
02-20-2017, 04:43 AM
22. ### What do you do it you can't increase X by one level while holding all other X constan

Classical regression defines the slope as the change in Y for a one unit change in X holding all other X constant (or so I believe). :p What happens...

• Replies: 7
• Views: 900
03-22-2017, 06:19 PM
23. ### Beta Regression Coefficients

In a simple model, x is a continuous (normally distributed) variable predicting y. Since y values are proportions ranging from 0 to 1 (0%-100%),...

• Replies: 7
• Views: 1,534
03-06-2017, 11:44 AM
24. ### beta coefficient for a logistic regression

I consider a simple model with binary variable Y (diseased vs non-diseased), variable X normally distributed among diseased and non-diseased with...

• Replies: 7
• Views: 1,570
03-01-2017, 04:57 PM
25. ### regression analysis for very small sample?

hello, my study is about "The impact of corporate governance on firm performance". my sample size is 5 compagnies i have 6 IV and 1 DV so my Q...

• Replies: 7
• Views: 2,196
02-21-2017, 04:32 PM
26. ### When the Outcome and Predictor Variables are (sort of) the same

Hello, everyone, I am working on a study with sensitive information, so it may suffice only to look at the last two paragraphs for my question,...

• Replies: 7
• Views: 978
05-12-2017, 07:11 PM
27. ### need help with regression problem asap!

I have to do this problem but I have no idea how to interpret the data! Can somebody pleeeeeeeeeease help me?:wave: An object is thrown upward from...

• Replies: 6
• Views: 3,691
12-13-2005, 12:26 PM
28. ### generalized least squares

Hello. How can I modify least square linear regression method in order to fit a straight line to data with non gaussian error (such as Levy, Poisson...

• Replies: 6
• Views: 4,099
08-02-2007, 05:53 AM
29. ### Regression approach to ANOVA

I am trying to fit regression for some categorical variables. I have two treatment A(3 levels) and B (2 levels) and their interaction. The output...

• Replies: 6
• Views: 4,222
03-07-2008, 04:10 PM
30. ### Increasing variance in linear regression

Hi, I have a response and a predictor variable, weight and height, to which I've fitted a linear regression. The relationship appears to be...

• Replies: 6
• Views: 12,569
05-29-2008, 09:33 AM
31. ### F-Statistic Question

I'm sorry for probably asking a foolish question, but my searches have yielded very limited results (as well as my reading) in regards to the...

• Replies: 6
• Views: 25,080
06-23-2008, 03:28 PM
32. ### Very basic questions on some terms.

I apologize if this is a little too basic for you, but I'm an RN taking statistics ovr the summer and my brain just doesn't work like this. My...

• Replies: 6
• Views: 2,957
07-13-2008, 07:25 PM
33. ### Help with Multiple Regression

Hi all, im struggling with what to do with this multiple regression question, any help tips or pointers would be greatly appreciated! Am i...

• Replies: 6
• Views: 3,714
08-16-2008, 12:43 PM
34. ### Linear regression

Hi all I was given a data sample of 35 countries which included the country name,the number of railways and the number of airports in the given...

• Replies: 6
• Views: 3,032
12-23-2008, 06:09 PM
35. ### Linear regression analysis - Urgent assistance required

Hi I am trying to examine the relation between ad. liking and attitude towards the brand. My hypothesis H1: "Commercials that are liked will...

• Replies: 6
• Views: 4,843
10-11-2009, 04:10 AM
36. ### Physiology grad student needing some help - linear regression through the origin

Hi all. I'm a PhD student in physiology, and I seem to be suffering from mild amnesia when it comes to statistics. My old course notes are out of my...

• Replies: 6
• Views: 4,304
01-06-2010, 04:43 AM
37. ### Regression Analysis - positive correlation

Hi, I am running a regression analysis using data for aircraft values. The problem that I have encountered is that GDP global and Oil Price are...

• Replies: 6
• Views: 3,685
02-19-2010, 04:13 AM
38. ### Calculating prediction intervals (error estimates of specific predicted points) in a

Hi all, this is my first post here so please let me know if I need to provide more details. I want to generate a multivariate logistic regression...

• Replies: 6
• Views: 13,962
06-22-2010, 01:01 AM
39. ### Correlation

Hi! I was wondering if someone could give me some help. I am struggeling to understand how to run my correlation analysis using SPSS This is my...

• Replies: 6
• Views: 2,725
08-17-2010, 08:44 AM
40. ### Categorical Count Data and ANOVA

Hi, I hope this is in the right section. I heard that ANOVA shouldn't be used for analysing categorical count data. If this is the case, can...

• Replies: 6
• Views: 12,465
08-17-2010, 09:54 PM
41. ### Regression with a categorical moderator (with 3 catoegories)

Hi All. I am wanting to run a moderating regression. But my moderator has 3 categories(Black, Asian, White). Usually, with a dichotomous...

• Replies: 6
• Views: 11,312
08-27-2010, 07:50 AM
42. ### ANOVA table insignificant in Regression

Greetings!!! Regression analysis produced ANOVA table insignificant. Please confirm if I should report regression results. Thanks Rayyan

• Replies: 6
• Views: 12,905
09-23-2010, 04:43 PM
43. ### Step by Step by Step help please?

Hello all, can anyone help me understand this step by step understanding of linear regression and correlation?

• Replies: 6
• Views: 3,946
12-03-2010, 04:14 AM
44. ### Coefficient of determination and statistical significance

Hi, I tried two different models for a regression (both with one predictor). The first one was a linear regression model of the type Y= a + bX...

• Replies: 6
• Views: 15,313
02-16-2011, 01:49 PM
45. ### Linear regression on bio-data.

Hi all, I'm completely new to this forum so forgive me (and tell me) if I break protocol in any way. My setup is: I have n animals. I believe...

• Replies: 6
• Views: 5,042
02-23-2011, 07:37 PM
46. ### Many DV's

Hello, I need help, maybe someone can assist. My data consist signal that comes from a machine (a sensor of a machine). The engineers that...

• Replies: 6
• Views: 2,464
05-31-2011, 03:13 AM
47. ### Confusion over how to calculate regression coefficient

I'm trying to find the regression coefficient of one set of a data on another. There is a linear relationship between the two sets of data. After a...

• Replies: 6
• Views: 11,247
06-22-2011, 01:33 PM
48. ### stepwise regression with dummy variables

Hello there, I want to do a stepwise regression in order to find relevant predicting variables, but one of the possible predicting variables is a...

• Replies: 6
• Views: 16,304
07-12-2011, 09:00 AM
49. ### Coefficients in linear regression

hi i am using spss 17.0 i am using linear regression to predict behaviours for the coefficent output does the constant and the indperpentant...

• Replies: 6
• Views: 3,446
07-21-2011, 03:32 PM
50. ### Analytical linear regression?

My lecturer stated that no method exists to determine the line of best fit for a set of data analytically. He went on to state that computers through...

• Replies: 6
• Views: 5,268
08-05-2011, 06:01 PM
51. ### Multiple regression analysis: Significant regression model, insignificant predictors

With regards to the title above, my multiple regression model has a significant F value but none of the predictors are significant. All the...

• Replies: 6
• Views: 12,856
08-30-2011, 04:51 PM

Page 8 of 73 First 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 ... Last

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.

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