1. Announcement:
05-10-2017
Views:
1,901
Page 11 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 28 29 30 61 ... Last
Threads 601 to 660 of 4340

# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### Very Small Sample Size -What multivariate analysis should be used

Dear all, Good day! I'm having a hard time researching for possible multivariate analysis to be used in my study. I have less than 10 sample...

• Replies: 6
• Views: 9,343
02-20-2017, 01:34 PM
2. ### Repeated measures question

Hello. I have taken day to day repeated measures in number of predictor variables as well as some other ordinal dvs. I want to meaure the effect of...

• Replies: 6
• Views: 3,268
05-31-2017, 04:14 AM
3. ### Understanding pairwise correlation

Maybe it is the current time, but I have some difficulties understanding what my tutor means (and he is gone on vacation so I can't ask). In my...

• Replies: 6
• Views: 1,224
05-03-2017, 02:44 PM
4. ### Research Proposal - Statistical Analysis?

I am submitting a research proposal, "Does the relationship of exercise and quality of sleep differ with age?" where age is the moderator. It has...

• Replies: 6
• Views: 1,084
04-25-2017, 11:41 AM
5. ### Is it best to match data units to get a logical regressional relationship?

Hi, I'm trying to find an economic relationship between inflation(CPI) and leakages to the economy like Taxes, Savings, and Imports. Well, it...

• Replies: 6
• Views: 710
04-11-2017, 02:20 PM
6. ### Process Model and Covariates

Hi all, I am having difficulty with Andrew Hayes' Process tool and my mediation model. Is it acceptable to run a mediation analysis with a...

• Replies: 6
• Views: 2,148
03-05-2017, 02:59 PM
7. ### Linear regression / trend question - basic question

Sorry for basic question: I have a series of measurements taken at weekly intervals for a period of 20 weeks. Each measurement is a proportion:...

• Replies: 6
• Views: 1,065
05-19-2017, 09:07 AM
8. ### Interaction / Moderation effect linear regression

Hi, I have a question regarding a moderation effect with linear regression. I have hypothesized for a significant main effect and another...

• Replies: 6
• Views: 569
08-12-2017, 11:34 AM
9. ### Fixed vs. Random Effects

I'm wondering if someone could help me to correctly identify whether certain variables should be considered fixed or random effects. Just as...

• Replies: 6
• Views: 383
08-29-2017, 04:43 AM
10. ### Collinearity help

I saw a suggestion on a web page for dealing with collinearity I had not seen before. http://www2.chass.ncsu.edu/garson/pa765/tacq.htm "Treat...

• Replies: 5
• Views: 5,907
06-28-2011, 07:51 AM
11. ### Multiple Regression Question

Hello, I have a question about multiple regression. My project involves non-political group involvement predicting political participation. My...

• Replies: 5
• Views: 4,121
02-21-2006, 08:37 PM
12. ### Linear Regression Equation

Dear friends, I have a set of data as follows: 1....... 58.82±3.23 10....... 62.5±7.90 50....... 87.23±2.33 100....... 110.29±10.33...

• Replies: 5
• Views: 4,014
08-11-2006, 12:24 AM
13. ### Interactions in regression analysis

Is their anyone who knows how to identify interactions between independent variables in a regression analysis? How does one use the output...

• Replies: 5
• Views: 5,027
06-09-2007, 09:42 PM
14. ### Multiple logistic regression models

Hi Am I correct in saying that if my results from multiple logistic regression show that the full model does not differ significantly from the...

• Replies: 5
• Views: 3,755
twg
02-20-2008, 09:00 AM
15. ### Urgent: Linear Regression - Survey Design - Help needed

Hi everyone, For my master thesis, I am trying to prepare a survey on key success factors for virtual worlds. I want to do a linear regression...

• Replies: 5
• Views: 3,666
04-16-2008, 03:28 AM
16. ### Did I do this correctly?

Hi, I am trying to forecast electric power demand for natural gas in the near future. A huge driver of electric power demand for natural gas on a...

• Replies: 5
• Views: 3,034
06-15-2009, 07:01 PM
17. ### Multiple linear regression: partial F-test

"Suppose that in a MULTIPLE linear regression analysis, it is of interest to compare a model with 3 independent variables to a model with the same...

• Replies: 5
• Views: 20,669
06-20-2009, 11:32 AM
18. ### variance for multiple regression model

studying for a test.. any help appreciated.. Consider the multiple regression model Y = Xβ + ϵ, where X is n x (k+1) matrix, β is a vector of...

• Replies: 5
• Views: 7,811
06-22-2012, 03:47 AM
19. ### Web Analyst: Been a While Since I Touched Stats

Hey everyone, I joined up to this site looking to get some advice. I have been doing web analytics for just over 2 years now. I have an...

• Replies: 5
• Views: 2,714
07-08-2009, 08:23 PM
20. ### Problem with small amount of cases

Hi New here, and fairly new with statistics. I have a problem with too few cases, but more than enough variables and observations. I have no...

• Replies: 5
• Views: 2,465
Cai
08-19-2009, 12:09 PM
21. ### R^2 for linear multiple linear regression

I have two candidates for a linear regression model on y, say x_1, and x_2. So I get two linear regression model for each (b_i*x_i+a_i+e_i) each...

• Replies: 5
• Views: 7,563
05-12-2010, 04:25 PM
22. ### assumption of independence

Why is it important that cases are independent in regression (especially, logistic regression)? By "independent" i mean that observations under...

• Replies: 5
• Views: 16,716
06-09-2010, 02:04 PM
23. ### Categorical regression question

Hi, everyone Hope the experts here can help me out with a question. I have a database with several respondents providing data on...

• Replies: 5
• Views: 4,023
07-13-2010, 02:47 PM
24. ### advanced method to compare regression coefficient

Hello, I am regressing two butterfly richness variables (summer and winter) against a set of environmental variables separately. ...

• Replies: 5
• Views: 4,403
08-07-2010, 05:35 AM
25. ### Var(Y_knot_Hat)

Hello all, I need a little help with this: Show Var(Y_knot_Hat) = Sigma^2 * (1/n + (x_knot - x_bar)^2 / Sxx) Start with Y_knot_hat = b_knot...

• Replies: 5
• Views: 4,092
09-30-2010, 01:07 PM
26. ### Regression of probability distributions

I have an dataset where the y values are multiple points representing a probability distribution rather than a single discrete point. I'm trying to...

• Replies: 5
• Views: 3,269
10-12-2010, 04:45 AM
27. ### Linear Mixed Effects Regression

Hello, Please can anyone help me with the above topic. I'm using SAS and am unsure on how to program this. I think that a PROC MIXED is to be...

• Replies: 5
• Views: 7,039
12-10-2010, 07:14 AM
28. ### Regression in excel - Is this possible?

Hi guys. Okay for my regression project, I have all my data and my Y value is based on 7 variables (i.e. Y = b0 +b1x1 +...+ b7x7) Now i have...

• Replies: 5
• Views: 4,362
12-11-2010, 01:59 PM
29. ### Insignificant regression explanation-HELP!!!

Hi, As part of my dissertation I am doing a regression analysis in which I am examining if gender, age, Internet use, education and occupational...

• Replies: 5
• Views: 25,318
01-16-2011, 01:24 PM
30. ### simple logistic regression question

I'm doing a willingness to pay survey to see if people are willing to spend \$1 for clean water. I randomly sampled 100 people and one of the...

• Replies: 5
• Views: 5,054
02-28-2011, 12:36 AM
31. ### Help needed with counter intuitive result in OLS

Hi All, I have a simple linear regression run between say, statements about the impression with a brand on its favorability What i am getting...

• Replies: 5
• Views: 3,966
02-21-2011, 04:48 AM
32. ### I need help

I need help I have this homework that I cant solve it Show that s^2=(1|n-2)∑(y-y^) is unbiased estimator for sigma^2 in linear regression model...

• Replies: 5
• Views: 2,218
03-12-2011, 12:13 PM
33. ### Phonetics: Interactions without one of the main effects

I am using a logistic regression model with bias reduction in order to predict the contrast between /b/ and /p/ in Ojibwe based on acoustic...

• Replies: 5
• Views: 3,636
04-23-2011, 03:32 PM
34. ### Moderated multiple regression and mixed factorial ANOVA

I conducted a moderated multiple regression and a mixed factorial ANOVA on the same variables and got two different results (using moderated multiple...

• Replies: 5
• Views: 7,475
08-27-2011, 03:52 PM
35. ### Simple regression question

Hi. I know most of my basic regression stuff but I forgot one thing. I conducted a regression with 4 independent variables and from my regression...

• Replies: 5
• Views: 2,604
06-15-2011, 08:06 AM
36. ### Ncaaf multiple regression

I want to do a mutiple regression analysis, with one of my independent variables being the number of seniors, juniors, ... On a football team. I...

• Replies: 5
• Views: 2,895
08-10-2011, 12:19 PM
37. ### Relative contribution of variables in logistic regression

Hi, I have been using logistic regression to determine what influences the chances of a person becoming unemployed. A number of variables have all...

• Replies: 5
• Views: 20,419
08-23-2011, 05:18 AM
38. ### Need help on a regression problem

Hi guys, I got a degree in statistics but I'm pretty rusty since I haven't touched it for over 5 years. Hope someone can help. :) Basically I have...

• Replies: 5
• Views: 1,945
09-16-2011, 01:21 PM
39. ### Data Question

Ok I am trying to look at the relationship of sales

• Replies: 5
• Views: 1,964
11-10-2011, 04:02 PM
40. ### Post hoc in ANCOVA

I'm trying to conduct a post hoc test on the results of an ANCOVA: > model <- aov(Max~Weight*Diet) > summary(model) But when I run the Tukey...

• Replies: 5
• Views: 8,095
01-20-2012, 07:59 AM
41. ### Logistic regression problem

Hi, I'm experiencing difficulties with understanding my results despite active googling, and i'd be really grateful, if someone could help me. ...

• Replies: 5
• Views: 4,060
01-18-2012, 11:01 PM
42. ### Question about Regression and relationship testing

Hello, I am working on a project that is trying to look a possible correlation between BMI and various outcomes in a patient group. So the BMI...

• Replies: 5
• Views: 2,429
02-03-2012, 01:04 PM
43. ### Lowest Mean Squared Error doesn't mean highest R^2?

Question: Well, the title says it already. Does the lowest Mean Squared Error not automatically mean the highest R^2? Reason for asking: I'm doing...

• Replies: 5
• Views: 3,035
02-09-2012, 12:15 AM
44. ### Why does efficiency matter

In a discussion of my old favorite non-normal data, Fox notes that while CI and test of signficance are commonly not effected much by nonnormality in...

• Replies: 5
• Views: 1,746
02-17-2012, 11:49 AM
45. ### Articles/information on robust regression?

Hi, I am a little confused as to what methods there are for "robust" regression. I thought it was an actual type (as in logistic, linear, etc),...

• Replies: 5
• Views: 2,401
02-26-2012, 07:32 PM
46. ### Categorical variables - Logistic regression

Hello, I am trying to run a logistic regression model. I have 4 numeric and 1 categorical variable which are significant. The categorical...

• Replies: 5
• Views: 3,881
03-07-2012, 02:06 PM
47. ### non-linear regression time response model

Hi I need to choose a non linear regression model for, protein phosphorylation over time response, for this kind of data Is not like enzyme...

• Replies: 5
• Views: 3,393
05-19-2012, 09:05 AM
48. ### Find the regression equation

Hi I have problem and I want you to help me This problem should use by Minitab.... In a study in collaboration with the Engineering...

• Replies: 5
• Views: 2,669
05-28-2012, 08:06 AM
49. ### Beta regression 1 and 0 values

Hi there, I am trying to carry out beta regression but some of the realitzationsof my response varaible are 0 and 1 values and hennce I cannot...

• Replies: 5
• Views: 3,450
05-28-2012, 08:47 AM
50. ### Logistic Regression: Include constant in the model or not?

Hi! 1. Could anybody give me a detailed explanation about why is inappropriate not to use a constant in a logistic regression model? Could you...

• Replies: 5
• Views: 13,158
06-12-2012, 06:08 AM
51. ### Combining the effect of the linear and the Quadratic terms in Regression

Hi all, I am running a poisson regression model where I have linear term and quadratic term of time as predictors. When both are significant, can...

• Replies: 5
• Views: 2,664
06-21-2012, 11:17 AM
52. ### Transformation of variables

Hello, I have a regression problem I do not know how to approach. I have a regression line: y=4+5x a linear transformation is being done: ...

• Replies: 5
• Views: 1,605
07-14-2012, 03:17 PM
53. ### [Violation] Hosmer & Lemeshow - Binary Logistics Regression

I want to analyze some factors which contribute to smoking behavior in teenager and young adult. These are my variables: y = smoking status...

• Replies: 5
• Views: 2,616
07-17-2012, 07:05 PM
54. ### CARs from small sample(26): Which Regression is the best to perform?

Dear All, I am new to this forum, but I am trying to become more and more specified in statistics for my Master Thesis (Erasmus University...

• Replies: 5
• Views: 3,423
07-23-2012, 02:13 PM

Page 11 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 28 29 30 61 ... 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.