1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    1,784
+ Post New Thread
Page 7 of 73 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 57 ... LastLast
Threads 361 to 420 of 4337

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Collinearity in Logistic Regression

    If my independent variables are correlated in Linear Regression, I can first, check it using VIF, and solve it (PLS, other ways). What do I do if...

    Started by WeeG‎, 08-19-2010 04:28 AM
    • Replies: 8
    • Views: 26,941
    08-24-2010, 01:50 AM Go to last post
  2. need help choosing the right model

    following another thread I opened, I need your advice to choose the correct logistic model. I had 8 IV's, I ran 8 univariate models (used the method...

    Started by WeeG‎, 08-24-2010 06:57 AM
    • Replies: 0
    • Views: 3,099
    08-24-2010, 06:57 AM Go to last post
  3. caculation of Type III ss?

    How can I calculate the missing Type III ss for one variable and mean square, If I got the Type I ss and means square for all variables and Type III...

    Started by medsonia‎, 08-25-2010 06:08 PM
    • Replies: 0
    • Views: 2,097
    08-25-2010, 06:08 PM Go to last post
  4. to trust AIC (non-full model) or slope (full model)

    The purpose to run regressions for butterfly richness again 5 environmental variables is to show the importance rank of the independent variables...

    Started by helenekuo‎, 08-17-2010 06:21 AM
    • Replies: 1
    • Views: 2,453
    08-26-2010, 03:41 PM Go to last post
  5. Negative fitted values

    Hi, I am trying to imput the prices of houses in a database using information on the carachteristics of the houses and a database in which i have...

    Started by Laurie‎, 08-20-2010 09:48 PM
    • Replies: 2
    • Views: 5,184
    08-26-2010, 08:20 PM Go to last post
  6. Dummy regression for graded paired comparison

    Hi all, I'm trying to create a dummy regression for a conjoint analysis with graded paired comparison. here is an example of one paired...

    Started by caro23‎, 08-27-2010 03:09 AM
    • Replies: 0
    • Views: 2,783
    08-27-2010, 03:09 AM Go to last post
  7. Question 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...

    Started by sneaks‎, 08-27-2010 06:45 AM
    • Replies: 6
    • Views: 11,291
    08-27-2010, 07:50 AM Go to last post
  8. Puzzling Regression issue.

    First post :D Wondering if anyone could lend a hand, I can't figure this out. When I perform two separate regression analyses ('promotion_A'...

    Started by Solaris‎, 08-27-2010 04:27 AM
    • Replies: 1
    • Views: 2,843
    08-27-2010, 01:49 PM Go to last post
  9. Ordinal Regression: Test of Parallel Lines

    Hi, I am trying to fit a model by using ordinal regression. I have got two co-variates, and one factor with four groups. The dependent variable...

    Started by Lotte‎, 08-26-2010 07:06 PM
    • Replies: 3
    • Views: 8,218
    08-27-2010, 09:47 PM Go to last post
  10. regression with covariate

    I want to develop a relationship between water temperature released at a dam and the volume of water stored in the reservoir behind the dam. But I...

    Started by Humboldt‎, 08-27-2010 02:49 PM
    • Replies: 2
    • Views: 2,584
    08-28-2010, 10:32 AM Go to last post
  11. Varying coefficient problem with weighted regression - DOES IT MAKE SENSE?

    Dear List, Please consider first a toy example. Suppose we have a large norming database with three variables, representing raw score on a...

    Started by tdenes‎, 08-30-2010 10:17 AM
    • Replies: 0
    • Views: 2,341
    08-30-2010, 10:17 AM Go to last post
  12. Differences Between ANOVA and multiple regression

    What are the differences between ANOVA and multiple regression? If I want to figure out if there exist impacts of one variable on the other, which...

    Started by lztoby‎, 08-30-2010 09:26 PM
    • Replies: 1
    • Views: 4,306
    08-30-2010, 09:58 PM Go to last post
  13. multivariate optimazion question

    Hi all, I need to solve a optimization problem like this min||XW-YV||_{F}^{2}, that's to minimize the Frobenius norm. X and Y have the same...

    Started by brakepad‎, 09-01-2010 02:25 PM
    • Replies: 0
    • Views: 1,732
    09-01-2010, 02:25 PM Go to last post
  14. Negative Binomial Regression- General Question

    If I have an independent variable (X1) that only takes integer values, why do I log that in the regression model? (My dependent variable (Y) is also...

    Started by tiab2005‎, 09-02-2010 10:14 AM
    • Replies: 1
    • Views: 2,783
    09-02-2010, 10:52 AM Go to last post
  15. Need help urgently

    I need to run a test to run if a relationship is significant. Hyphothesis H1: Entertainment of the advertisement on web is positively associated...

    Started by Kate10‎, 08-30-2010 02:36 PM
    • Replies: 14
    • Views: 5,254
    09-03-2010, 01:35 PM Go to last post
  16. Multiple vs univariate regression

    Hi, I was wondering what are the pitfalls of fitting multiple univariate regression equations to a response instead of fitting all independent...

    Started by jonG‎, 09-03-2010 05:34 PM
    • Replies: 1
    • Views: 3,391
    09-03-2010, 05:47 PM Go to last post
  17. Question Regression Analysis Help

    Hi All, first post here, glad to be part of this forum. After surveying my population, I am currently experimenting what factors (about 10...

    Started by MohammedT‎, 09-04-2010 12:53 PM
    • Replies: 4
    • Views: 2,944
    09-04-2010, 04:36 PM Go to last post
  18. MANOVA vs ANOVA

    Hi guys, I have a small question. I ran a MANOVA model, with 4 DV's and 1 IV with 2 categories. I got a non significant result, with P. Value of...

    Started by WeeG‎, 09-06-2010 02:55 PM
    • Replies: 9
    • Views: 13,024
    09-07-2010, 03:56 AM Go to last post
  19. BOX-COX transformation - Correct method

    Dear All, I fitted a quadratic model to a set of data. I am trying to apply the box-cox transformation to check if my data should be transformed....

    Started by Clovis‎, 08-05-2010 06:31 AM
    • Replies: 2
    • Views: 10,298
    09-08-2010, 09:44 AM Go to last post
  20. Need help badly!

    You have the ramp-servicing contract for a midsize car wash. For wash workers you use predominantly part time workers, all of whom have sufficient...

    Started by charterpilot‎, 09-08-2010 10:46 PM
    • Replies: 4
    • Views: 4,478
    09-09-2010, 03:49 PM Go to last post
  21. standardizing residuals

    Hi All, I'd like to standardize residuals. Can anybody tell me the formula to standardize to mean 0 and standard deviation 1? I also do not...

    Started by cincan‎, 09-09-2010 04:05 PM
    • Replies: 3
    • Views: 5,541
    09-10-2010, 04:35 AM Go to last post
  22. Time Series Analysis with lags and non temporally consecutive values

    This is what i'm trying to do. Ive got a set of news surprise data (announced value-forecast) at the times of release. For example, I have 12 GDP...

    Started by CharlesOG‎, 09-12-2010 07:38 PM
    • Replies: 0
    • Views: 2,707
    09-12-2010, 07:38 PM Go to last post
  23. "No Observations"

    Hi, I was hoping someone might be able to help solve this problem. The values are all formatted as numeric. I'm regressing news announcements on...

    Started by CharlesOG‎, 09-13-2010 05:46 AM
    • Replies: 1
    • Views: 2,466
    09-13-2010, 07:57 AM Go to last post
  24. Participant ID - Categorical?

    Hi all, I'm performing a Binary Logistic Regression on data from human subjects. I want to ensure that the effect of independent variables is...

    Started by blastStu‎, 09-13-2010 09:44 AM
    • Replies: 0
    • Views: 3,971
    09-13-2010, 09:44 AM Go to last post
  25. Constant Variable

    Hi folks, I was wondering if you could help me understand a problem I have with a regression. Basically, SPSS excludes one of my variables...

    Started by blastStu‎, 09-13-2010 03:58 AM
    • Replies: 2
    • Views: 17,528
    09-13-2010, 12:38 PM Go to last post
  26. Comparing model fits of non nested models

    Dear all, I am a student in Sociology at the University of Amsterdam and currently working on a paper on which I got stuck. Let me briefly...

    Started by thaiz‎, 09-14-2010 02:56 AM
    • Replies: 0
    • Views: 3,898
    09-14-2010, 02:56 AM Go to last post
  27. Four-way interaction in linear regression

    Dear all, I have 4 independent variables, and I want to check their combined and interrelated effects on 1 dependent variable (thus 1 y and 4...

    Started by paul de boer‎, 09-08-2010 02:44 PM
    • Replies: 2
    • Views: 9,798
    09-14-2010, 01:33 PM Go to last post
  28. Low R-squared, but my variables fit expectations

    So I ran a regression on 3 different sets of data estimation techniques versus actual survey data. The dependent variable was the non-survey...

    Started by dontpunkme‎, 09-10-2010 09:40 PM
    • Replies: 1
    • Views: 13,647
    09-16-2010, 10:55 AM Go to last post
  29. Standard error of regression

    I am writing a robust regression algorith in Python and using the linregress method from SciPy/NumPy. linregress returns the b0, b1, r^2, p_val, and...

    Started by strimp099‎, 09-16-2010 12:18 PM
    • Replies: 2
    • Views: 6,184
    09-16-2010, 02:35 PM Go to last post
  30. How do i create "nice" prediction hyperbola?

    I would like to create a nice prediction hyperbola in my regression analysis, at this moment i am only getting some rather ugly ones and only where i...

    Started by thedreamshaper‎, 09-16-2010 02:28 PM
    • Replies: 3
    • Views: 3,539
    09-16-2010, 03:55 PM Go to last post
  31. disattenuated correlations

    Objective: a guess about the actual correlations between two variables based on correlations between somewhat noisy variable estimates. The variable...

    Started by Per‎, 09-18-2010 01:39 AM
    • Replies: 0
    • Views: 4,040
    09-18-2010, 01:39 AM Go to last post
  32. Descriptive research and regression analysis?

    Please pardon my ignorance...can I use multiple regression analysis in a descriptive research design to answer my hypotheses? If not, can anyone...

    Started by reakhavok‎, 09-18-2010 01:53 PM
    • Replies: 4
    • Views: 8,348
    09-19-2010, 01:11 PM Go to last post
  33. multivarient nonlinear regression in SPSS

    is there are way of doing this in SPSS? I have looked around and come to a blank... I need to derive an equation to describe the (most likely...

    Started by E_J‎, 09-21-2010 08:58 AM
    • Replies: 0
    • Views: 3,852
    09-21-2010, 08:58 AM Go to last post
  34. Plotting output from logistic regression???

    I ran a quasi-likelihood logistic regression using S-plus and have a question about how to plot and interpret the results. How can I construct...

    Started by Boxor‎, 09-21-2010 05:35 PM
    • Replies: 0
    • Views: 3,837
    09-21-2010, 05:35 PM Go to last post
  35. Testing IIA in MNLM with Hausman-McFadden

    Dear all, I'm having some problems with the IIA property violation test of Hausman McFadden. I estimated two MNL models based on 3 predictors:...

    Started by Roel‎, 09-22-2010 08:35 AM
    • Replies: 0
    • Views: 3,114
    09-22-2010, 08:35 AM Go to last post
  36. Question Using Odd values for variable selection in logistic regression

    Hello, I have a question about independent variables selection when a logistic regression is used as classification method. Is it an acceptable or...

    Started by Ziyad‎, 09-22-2010 12:05 PM
    • Replies: 0
    • Views: 2,650
    09-22-2010, 12:05 PM Go to last post
  37. ANOVA table insignificant in Regression

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

    Started by itsrayyan‎, 09-19-2010 04:51 PM
    • Replies: 6
    • Views: 12,889
    09-23-2010, 04:43 PM Go to last post
  38. Help with VAR, SVAR model

    Hi, I have to plot impulse response function for my research paper and I have never studied vector autoregressive models. So I am hoping someone...

    Started by syedhussain84‎, 09-23-2010 06:04 PM
    • Replies: 0
    • Views: 2,540
    09-23-2010, 06:04 PM Go to last post
  39. Interpreting an order logit

    This isn't my homework, but was acctually meant for my blog. I had planned on running the ordered logit models, running predicted probabilities and...

    Started by amathew‎, 09-23-2010 07:33 PM
    • Replies: 0
    • Views: 2,251
    09-23-2010, 07:33 PM Go to last post
  40. cox regression and change

    I'm no statistician, but a porgrammeur. I have some statistics during my study, but is not really one of my stektste points. 'm Trying to calculate...

    Started by Zaatlob‎, 09-24-2010 09:27 AM
    • Replies: 0
    • Views: 2,165
    09-24-2010, 09:27 AM Go to last post
  41. polytomous regression - help obtaining p for heterogeneity

    I am using polytomous (aka multinomial) logistic regression to analyze some data. My outcome/dependent variable is nominal (unordered) with 4...

    Started by Stuart‎, 09-21-2010 04:23 PM
    • Replies: 1
    • Views: 4,973
    09-25-2010, 06:58 PM Go to last post
  42. 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...

    Started by floriandotti‎, 09-30-2010 01:07 AM
    • Replies: 5
    • Views: 4,046
    09-30-2010, 01:07 PM Go to last post
  43. theory proofs

    Hi, I am doing a study guide for my stat test coming up, and got stuck on 3 proofs. They seem a bit confusing to me, and I just keep going in circles...

    Started by lilfish08‎, 09-30-2010 02:29 PM
    • Replies: 1
    • Views: 4,057
    09-30-2010, 04:09 PM Go to last post
  44. Logistic regression with dependent variables

    Dear All I'm trying to perform logistic regression to determine risk factors for retinopathy of prematurity (ROP). The outcome is binary 1=...

    Started by SiBorg‎, 10-02-2010 04:47 AM
    • Replies: 4
    • Views: 5,741
    10-06-2010, 06:35 PM Go to last post
  45. is there a non parametric alternative to multiple linear regression?

    Hi all, I would like to know is there a non parametric alternative to multiple linear regression? when I google the quesion I get a lot of info...

    Started by David Williams‎, 09-21-2010 11:25 AM
    • Replies: 7
    • Views: 27,795
    10-07-2010, 03:37 PM Go to last post
  46. bootstrap correlation

    Hi, I am wondering if is it correct to use bootstrap methods to get an estimate of correlation coefficient (Pearson) when data violate some of the...

    Started by gianmarco‎, 10-02-2010 01:40 AM
    • Replies: 2
    • Views: 5,599
    10-08-2010, 02:09 AM Go to last post
  47. Logistic regression. biological significance of a mathematical model quadratic term.

    See if anybody can help me understand something, as I am a bit confused. It is regarding the biological significance of a mathematical model...

    Started by patxarana‎, 10-11-2010 05:30 AM
    • Replies: 2
    • Views: 4,437
    10-11-2010, 07:15 AM Go to last post
  48. significant r but assumptions not met

    Dear All, issue here stems from the one discussed in a previous post of mine (http://talkstats.com/showthread.php?t=13844). I have a dataset...

    Started by gianmarco‎, 10-11-2010 05:32 AM
    • Replies: 2
    • Views: 2,536
    10-11-2010, 10:01 AM Go to last post
  49. Interpolation

    Hello. Two questions: First, what would be the most suitable method for interpolation where the data is: 1. Mostly increasing with an...

    Started by Klesti‎, 10-11-2010 01:36 PM
    • Replies: 0
    • Views: 1,999
    10-11-2010, 01:36 PM Go to last post
  50. Significant Correlations - No Sig Beta Weight

    Hi guys, I'm hoping that someone can clear up my confused state of mind...:( I have conducted a standard MRA and my problem is that even though...

    Started by StormSurfer‎, 10-10-2010 10:54 PM
    • Replies: 2
    • Views: 5,053
    10-11-2010, 05:20 PM Go to last post
  51. 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...

    Started by JeffTheGreen‎, 10-06-2010 05:32 PM
    • Replies: 5
    • Views: 3,159
    10-12-2010, 04:45 AM Go to last post
  52. Method to calculate the most accurate method of prediction

    Hi, this is my first post, and I'm entirely self taught re statistics, so go easy on me. :) I want to calculate which of several prediction...

    Started by joshAU‎, 10-12-2010 04:30 AM
    • Replies: 1
    • Views: 6,102
    10-12-2010, 01:04 PM Go to last post
  53. Regression analysis research project help.

    Hi, I have a project i have to do for my regression analysis course. Basically I need to gather a bunch of data and plot it and find a regression...

    Started by c2q‎, 10-12-2010 01:10 AM
    • Replies: 1
    • Views: 6,707
    10-12-2010, 01:07 PM Go to last post
  54. Meaning of Logarithmic Trend Line

    Hello Everyone I was just curious as to the meaning of the slop in an Excel logarithmic trendline. For example, y = -0.039ln(x) + 1.6792, where x...

    Started by skohon‎, 10-13-2010 10:45 AM
    • Replies: 0
    • Views: 5,175
    10-13-2010, 10:45 AM Go to last post
  55. Linear Regression for Traffic Data

    Hi there, I have a two full years of traffic data by month and I am trying to predict traffic for the next two years based on historical growth...

    Started by dramachandran‎, 10-11-2010 06:46 PM
    • Replies: 3
    • Views: 4,731
    10-13-2010, 11:25 AM Go to last post
  56. Correlation and Regression Assignment Using BRFSS

    "For this assignment you must collect some state-level variable of your choice and merge it to the BRFSS individual-level data (matching by state...

    Started by littlebee‎, 10-13-2010 09:28 PM
    • Replies: 0
    • Views: 2,708
    10-13-2010, 09:28 PM Go to last post
  57. I cannot calculate covariance ratio, please help me

    My results of covariance ratio (influence statistic) is always different as for example the SPSS output. I donít know where is my failure. Could...

    Started by Palepoli‎, 10-14-2010 03:09 PM
    • Replies: 0
    • Views: 3,872
    10-14-2010, 03:09 PM Go to last post
  58. collinearity and Heteroscedasticity in bivariate probit model

    Hi, all I run a bivariate probit regression, and I am not specialized in statistics and I dont know how to check collinearity and...

    Started by momo‎, 10-14-2010 03:32 PM
    • Replies: 0
    • Views: 5,671
    10-14-2010, 03:32 PM Go to last post
  59. Red face Stupid Question: Help This Noob with Parking

    :o Hi, I have been knocking my head against the wall of statistics (so to speak) for uncounted hours and just can't figure this out. I cannot...

    Started by meinhaj‎, 10-15-2010 11:38 AM
    • Replies: 1
    • Views: 3,820
    10-15-2010, 11:53 AM Go to last post
  60. Spurious or not? a little help for a newbie

    Hi to all, I am relatively new to statistics and I try to do my best. I will appreciate any helpful inputs form you. First, I had to generate a...

    Started by Neptune‎, 10-17-2010 10:57 AM
    • Replies: 0
    • Views: 2,114
    10-17-2010, 10:57 AM Go to last post

+ Post New Thread
Page 7 of 73 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 57 ... 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