1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    1,901
+ Post New Thread
Page 48 of 73 FirstFirst ... 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 ... LastLast
Threads 2821 to 2880 of 4340

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Methodology design: "Which stocks fall first" & "Which stocks fall the most"

    Hi guys, I'm looking at an event study of 500 stocks. The event is a financial crisis, where I expect most stocks to fall over the window. I have...

    Started by derksheng‎, 07-25-2012 11:01 AM
    • Replies: 0
    • Views: 1,395
    07-25-2012, 11:01 AM Go to last post
  2. Finding complex relationships with multiple independent variables

    Howdy. Question - how can I find complex relationships when there are multiple independent variables. Specifically, I am looking at a situation where...

    Started by dwl‎, 07-25-2012 09:29 AM
    • Replies: 1
    • Views: 2,112
    07-25-2012, 10:45 AM Go to last post
  3. logistic regression, problems with missing values

    Hi all, I am new to logistic regression, so please forgive me if this question sounds stupid... I am doing an logistic regression on a Likert item...

    Started by moomin101‎, 07-25-2012 08:15 AM
    • Replies: 1
    • Views: 1,725
    07-25-2012, 09:12 AM Go to last post
  4. Testing arbitrary contrasts based on summary statistics

    Following the discussion in this recent thread (Getting F statistic from multiple t-statistics?) and spunky's request therein, here is a neat trick...

    Started by Jake‎, 07-24-2012 03:20 AM
    • Replies: 3
    • Views: 3,323
    07-24-2012, 07:55 PM Go to last post
  5. Poynomial Regression through the origin

    I am trying to program in SQL a polynomial regression of degree two with a zero intercept. I can't seem to find the appropriate literature on this...

    Started by coling‎, 07-24-2012 03:43 PM
    • Replies: 8
    • Views: 4,218
    07-24-2012, 05:50 PM Go to last post
  6. Holt-Winter forecasting for many future events

    Hello, I have been investigating and testing forecasting methods for incoming call volumes. I have many months of data. The data exhibits a...

    Started by youshouldneverthrowacat‎, 07-24-2012 10:25 AM
    forecasting, holt, triple exponential, winter
    • Replies: 0
    • Views: 2,383
    07-24-2012, 10:25 AM Go to last post
  7. Autocorrelation Remedy Help

    For my bachelor thesis I need to regress historical stock price with earning per share. My data consist of eleven years period with yearly...

    Started by ardinea‎, 07-21-2012 11:12 AM
    • Replies: 1
    • Views: 1,942
    07-24-2012, 07:30 AM Go to last post
  8. logistic regression - model selection

    I am a bit confused in model selection for logistic regression using SPSS I have done univariant tests (Chi square etc) and selected variables...

    Started by vl80‎, 07-24-2012 04:28 AM
    • Replies: 0
    • Views: 1,484
    07-24-2012, 04:28 AM Go to last post
  9. Getting F statistic from multiple t-statistics?

    If I have Y = a + b1*X1 + b2*X2 + b3*X3 + error, and I have calculated sample t-statistics for b1 and b2, from this information (along with...

    Started by derksheng‎, 07-23-2012 12:23 PM
    • Replies: 7
    • Views: 2,824
    07-24-2012, 03:24 AM Go to last post
  10. How do I apply the bonferroni correction in hierarchical regression?

    I am conducting a hierarchical multiple regression with 6 predictor variables (2 dichotomous, 1 continuous, 3 2-way interactions) entered over 4...

    Started by mle80‎, 07-23-2012 11:42 PM
    bonferroni correction, hierarchical
    • Replies: 0
    • Views: 3,089
    07-23-2012, 11:42 PM Go to last post
  11. Multiple regression- kurtosis in DV

    Hey all, This may be a really stupid question. But I'm really stupid when it comes to statistics, so bear with me! My dependent variable has...

    Started by kk89‎, 07-20-2012 11:57 PM
    • Replies: 4
    • Views: 2,451
    07-23-2012, 09:44 PM Go to last post
  12. 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...

    Started by Bart Lips‎, 07-17-2012 08:12 AM
    event study, regression analysis, small sample size
    • Replies: 5
    • Views: 3,422
    07-23-2012, 02:13 PM Go to last post
  13. A big problem: Portfolio OLS t-statistic calculation and other P-OLS issues.

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

    Started by derksheng‎, 07-23-2012 12:52 PM
    • Replies: 0
    • Views: 1,629
    07-23-2012, 12:52 PM Go to last post
  14. Question calculating sample size needed by future studies having got my Logistic Regression

    Help anyone? I have downloaded Gpower 3, and seemingly found the option: under test family: z tests statistical test: logistic regression ...

    Started by Freya_77‎, 07-18-2012 01:13 PM
    logistic regression, sample size
    • Replies: 11
    • Views: 6,183
    07-23-2012, 08:59 AM Go to last post
  15. Sample size of Categorical Variables

    Hi, I'm running a binary logistic model that includes categorical variables. One of my main covariates has 8 categories and some of the sample...

    Started by li_mee‎, 07-09-2012 10:21 AM
    categorical variable, dummy variables, logistic regression, sample
    • Replies: 6
    • Views: 8,031
    07-23-2012, 08:17 AM Go to last post
  16. Z-scores in Neg. Binomial Regression

    Hi I'm running a negative binomial regression model for some count data and did a Tukey's HSD range test to compare the different factors. When I...

    Started by nebulus‎, 07-18-2012 05:27 PM
    • Replies: 2
    • Views: 2,580
    07-23-2012, 02:25 AM Go to last post
  17. Fixed effects versus random effects problem

    Hello everybody, I have a panel, and for simplicity lets say I want to find the correlation between x and y. Unfortunately, the x and the y for...

    Started by Salohcin‎, 07-22-2012 06:37 AM
    • Replies: 2
    • Views: 1,689
    07-22-2012, 09:28 AM Go to last post
  18. Calculating R^2: to use or not use the least-squares line

    Dear Stats Forum, I am a grad student with an introductory stats background. For my research, I'm conducting an experiment to compare two types of...

    Started by hollywas‎, 07-21-2012 01:57 PM
    • Replies: 8
    • Views: 1,597
    07-21-2012, 05:37 PM Go to last post
  19. Logistic Regression Question

    Hi everyone, I have just found this forum (via google) and I wish I had known about it earlier, it seems great! My knowledge of statistics is sadly...

    Started by kdm‎, 07-21-2012 10:03 AM
    • Replies: 4
    • Views: 1,456
    07-21-2012, 04:49 PM Go to last post
  20. need to convert back from log transformation?

    I'm a beginner and would appreciate any help. I've made a multivariate regression model which predicts the natural log of energy consumption. I'm...

    Started by hollywas‎, 07-21-2012 02:31 PM
    • Replies: 1
    • Views: 1,565
    07-21-2012, 02:40 PM Go to last post
  21. Multiple Groups Regression

    Hello to all who view my thread. And thank you in advance for any assistance. I am trying to compare changes in the associations between multiple...

    Started by adzzz‎, 02-13-2009 11:11 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 12,270
    07-20-2012, 04:22 PM Go to last post
  22. Cook's Distance on WLS?

    I am working with clustered data in R and am running a weighted least squares regression, weighting based on the number of elementary units in the...

    Started by new123‎, 07-20-2012 03:11 PM
    • Replies: 0
    • Views: 1,480
    07-20-2012, 03:11 PM Go to last post
  23. How2interpret inconsistent Beta values in different steps of hierarchical regression?

    I did hierarchical regression analysis on my data due to having moderation effects in my research model. R2 increased from .695 in model1 (main...

    Started by Cyrs‎, 07-20-2012 03:57 AM
    • Replies: 3
    • Views: 6,780
    07-20-2012, 02:50 PM Go to last post
  24. too many dummy variables

    Hello I have a categorical independent variable, with 11 levels...so I need 10 dummy variables. I wanted to ask how can I analyze 10 dummy...

    Started by NN_STAT‎, 07-19-2012 12:15 PM
    • Replies: 10
    • Views: 7,478
    07-20-2012, 02:55 AM Go to last post
  25. reporting descriptive Stats when using gender in multiple regression.

    Hi, I am relatively new to research methods and using SPSS. I wanted to perform multiple regression analysis using categorical and continuous...

    Started by caoimhe‎, 07-18-2012 05:50 PM
    • Replies: 6
    • Views: 4,369
    07-19-2012, 02:39 PM Go to last post
  26. regression analysis fro x>0 and values close to 0

    Hi there, I am performing multilinear regression analysis of a response variable that: - takes only positive or zero values - comprises...

    Started by TM957‎, 07-19-2012 09:18 AM
    • Replies: 3
    • Views: 1,369
    07-19-2012, 11:30 AM Go to last post
  27. moderated multiple regression with dummy variables

    Hello, As part of final revisions for my dissertation, I need to resolve an issue in my analyses. I am running a moderated multiple...

    Started by Susanmarkunas‎, 07-17-2012 09:06 PM
    • Replies: 3
    • Views: 4,633
    07-18-2012, 07:11 PM Go to last post
  28. Parameter estimation - which method?

    I am new to parameter estimation. It is not clear for me which method is the best to use to estimate parameter of my model: my statistical model has...

    Started by hase‎, 06-11-2012 11:01 AM
    • Replies: 14
    • Views: 4,172
    07-18-2012, 04:06 AM Go to last post
  29. [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...

    Started by sg2kilo‎, 07-16-2012 09:14 AM
    hosmer and lemeshow
    • Replies: 5
    • Views: 2,616
    07-17-2012, 07:05 PM Go to last post
  30. Comparing regression coefficients - dependent samples

    Hi, I used two methods (A and B) to obtain measurements in a group of subjects. The methods (ways of measuring) are different, but they should...

    Started by confusedscientist‎, 07-16-2012 04:51 AM
    comparing coefficients, dependent samples, linear regression, regression coefficients
    • Replies: 2
    • Views: 1,926
    07-17-2012, 07:07 AM Go to last post
  31. Question Outcome variable representing a high and low range

    Hi everyone, In my research project my outcome variable is whether or not variable X falls outside a certain range of values. To better understand...

    Started by Peri-op‎, 07-16-2012 08:52 PM
    • Replies: 0
    • Views: 1,393
    07-16-2012, 08:52 PM Go to last post
  32. (OLS) How to get sample variance-covariance matrix of residuals?

    Consider the OLS: (1) y = a + b*x + e Where e is the error term. I understand that the population variance-covariance matrix for the residuals...

    Started by derksheng‎, 07-16-2012 07:00 AM
    • Replies: 6
    • Views: 4,976
    07-16-2012, 10:02 AM Go to last post
  33. Do these dummy variables cancel clustered heteroscedasticity?

    Hi, I have the cross-sectional: Stock returns_i = a_i + b_i * X_i + error. Here, X_i is an independent variable and "Stock returns" is, say,...

    Started by derksheng‎, 07-15-2012 08:15 AM
    • Replies: 0
    • Views: 1,499
    07-15-2012, 08:15 AM Go to last post
  34. What do I use here? Pooled OLS??

    Hi, say I have 10 vectors of stock returns (so a matrix with dimensions Tx10), and I have the return on the market as the independent variable (so a...

    Started by derksheng‎, 07-14-2012 02:11 AM
    • Replies: 2
    • Views: 2,812
    07-14-2012, 10:42 PM Go to last post
  35. 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: ...

    Started by Yankel‎, 07-11-2012 03:36 PM
    • Replies: 5
    • Views: 1,605
    07-14-2012, 03:17 PM Go to last post
  36. Where is the problem with my model? Please help!

    Hi, Im trying to run a series of regressions using Gretl. I will use OLS, 2SLS and system-GMM dynamic panel estimator. However there is something...

    Started by yuuhaa‎, 07-13-2012 05:59 AM
    • Replies: 3
    • Views: 2,853
    07-13-2012, 05:01 PM Go to last post
  37. moving average term in autocorrelation

    Can anyone say whether it is appropriate to add a moving average term when dealing with auto correlation? Is it a good practice?

    Started by Susi‎, 07-13-2012 04:20 AM
    • Replies: 1
    • Views: 1,471
    07-13-2012, 03:25 PM Go to last post
  38. Simple regression but still I have a question

    Dear all, If I perform a simple regression in which I regress a dependent variable on time (to look at the effect of a year on the dependent...

    Started by thomas1978‎, 07-13-2012 08:27 AM
    • Replies: 1
    • Views: 1,556
    07-13-2012, 09:31 AM Go to last post
  39. Problem with forecasting/data transformation

    Hi, I am looking to forecast ticket sales (the distribution is U shaped with big tails, i.e. a lot of sales happens during the first few days and...

    Started by lulumohca‎, 07-10-2012 10:57 PM
    • Replies: 4
    • Views: 1,715
    07-13-2012, 08:06 AM Go to last post
  40. principle component

    Dear All, Below is an output from a research that analyse human characteristics for the sale representitatives x's are properties of characteristics...

    Started by masarimk‎, 07-13-2012 07:41 AM
    • Replies: 0
    • Views: 1,346
    07-13-2012, 07:41 AM Go to last post
  41. Help with Regression Analysis problem and time delay

    Good morning all! I am presently working on a paper, and am grappling with a statistical problem that is outside of my area of expertise (I am...

    Started by caltech27‎, 07-08-2012 11:09 AM
    • Replies: 3
    • Views: 2,495
    07-13-2012, 04:45 AM Go to last post
  42. Regression analysis sample size problem

    Hi there, Could anybody offer any advice on a linear regression sample size problem? I am using regression to predict the energy consumption...

    Started by bradyj2‎, 07-09-2012 02:03 PM
    • Replies: 1
    • Views: 4,055
    07-13-2012, 02:52 AM Go to last post
  43. What is wrong with my reg calc ?

    Hello, this is my data X | Y -1.41421 | 1.55662 -0.70711 | 0.07412 0.00000 | 0.44475 0.00000 | -0.29650 0.70711 | -0.29650...

    Started by Yankel‎, 07-12-2012 03:50 PM
    • Replies: 3
    • Views: 2,055
    07-12-2012, 04:13 PM Go to last post
  44. Effect test and ordinal regression in SPSS

    I am having problems with doing an ordinal regression analysis that I hope you can help me with. I have one ordinal variable (dependent) and want...

    Started by Kasperat‎, 07-12-2012 03:29 AM
    • Replies: 0
    • Views: 1,746
    07-12-2012, 03:29 AM Go to last post
  45. zero-inflated count data

    I want to do a regression where both the response and an explanatory variable are zero-inflated counts. It's fairly straightforward to do a ZIP...

    Started by erz‎, 07-11-2012 04:30 PM
    • Replies: 1
    • Views: 1,736
    07-11-2012, 05:35 PM Go to last post
  46. Multivariate Regression - Percent Contribution to R^2

    I'm running a multivariate regression in Stata 12 SE that regresses six different groups of independent variables onto my dependent. Each group has a...

    Started by Colin‎, 07-07-2012 05:26 PM
    multivariate regression, r squared
    • Replies: 1
    • Views: 2,083
    07-10-2012, 02:30 PM Go to last post
  47. Deleting unhelpful observations from model?

    Hi, I'm using panel data on the sales of various products to estimate price elasticities, which basically means running a regression model that...

    Started by Statzor‎, 07-10-2012 11:28 AM
    • Replies: 0
    • Views: 1,232
    07-10-2012, 11:28 AM Go to last post
  48. Thumbs down multi group SEM regression coefficient/t-value interpretation

    Hello, I have a small interpretation issue. A chi-square difference test between unconstrained vs constrained multi group sem indicated...

    Started by Buraczku‎, 07-10-2012 05:46 AM
    • Replies: 1
    • Views: 2,634
    07-10-2012, 06:58 AM Go to last post
  49. Regression Hypothesis

    I am not good at statistics that is why I am seeking help in this forum. Thanks for any help in advance. My research hypothesis is Student will...

    Started by Mark121‎, 07-09-2012 03:30 PM
    regression, statistical analysis
    • Replies: 1
    • Views: 1,472
    07-09-2012, 07:26 PM Go to last post
  50. Assessing model fit

    I have built two logistric regression models: one forced entry model that features some highly insignificant variables, and a stepwise one that,...

    Started by daniel_ev‎, 07-09-2012 11:37 AM
    logistic regression
    • Replies: 1
    • Views: 1,567
    07-09-2012, 12:48 PM Go to last post
  51. Comparing regression slope intercepts in SPSS

    Hello, my name is Robert Hall and I have got myself in a bit of a pickle with my 3rd year research project. For my project I am looking at the...

    Started by rh241‎, 04-07-2012 02:43 PM
    • Replies: 4
    • Views: 16,065
    07-09-2012, 11:39 AM Go to last post
  52. Distribution of error term in lognormal maximum likelihood estimation

    Hi I have performed a maximum likelihood estimation of a linear function y=B0+B1X+E, where Y is a lognormally-distributed dependent variable, B0 and...

    Started by gjdoole‎, 07-09-2012 12:49 AM
    • Replies: 1
    • Views: 2,147
    07-09-2012, 08:47 AM Go to last post
  53. Problem in Correlation Significant

    Hi lads, I'm a newcomer here and this is my first post at this forum. As the title says, I have a problem in correlation significant. I am working...

    Started by sitanggang.josh‎, 07-09-2012 04:26 AM
    • Replies: 0
    • Views: 1,178
    07-09-2012, 04:26 AM Go to last post
  54. regression with categorical and scale IVs

    Hey, guys, i need some help on this project im working on. I am trying to perform a regression where the dependent variable is scale, while the IVs...

    Started by jurgen57‎, 07-06-2012 06:45 AM
    • Replies: 2
    • Views: 1,626
    07-07-2012, 06:55 AM Go to last post
  55. which type of GLM Poisson or Negative Binomial or am I way off?

    With some gracious nudges and encouragement from CowboyBear and GretaGarbo I am doing my best to learn GLM regression. As I noted in an earlier...

    Started by xpropatroller‎, 07-06-2012 04:15 PM
    • Replies: 0
    • Views: 1,091
    07-06-2012, 04:15 PM Go to last post
  56. missing price datas before launched

    HI, I have the price and volume data from own product and competitor's product: Year_Month Volume own product's price Volume ...

    Started by conglan‎, 07-06-2012 04:56 AM
    • Replies: 1
    • Views: 1,549
    07-06-2012, 11:10 AM Go to last post
  57. natural log of DV [or not?] in OLS regression? and collinearity questions for IVs

    First I want to thank anyone who responds in advance. I'm grateful for any teaching I can get. Secondly, I'm math challenged. And my stats...

    Started by xpropatroller‎, 06-28-2012 09:06 PM
    • Replies: 7
    • Views: 4,646
    07-05-2012, 10:26 PM Go to last post
  58. Hierarchical Regression for Interactions - WHY? (theory question)

    Hi all, I have a theoretical question about hierarchical regression for interactions. Simply, why is it better to use hierarchical regression...

    Started by statsgirl08‎, 07-05-2012 08:58 AM
    • Replies: 0
    • Views: 2,882
    07-05-2012, 08:58 AM Go to last post
  59. parametric and non parametric data

    Hi I am new to stats, so maybe a silly question. Does regression analysis have assumptions of normality? Can I use regression for both normally...

    Started by andrilnc‎, 07-04-2012 05:31 PM
    • Replies: 2
    • Views: 1,901
    07-05-2012, 12:28 AM Go to last post
  60. Regression on coordinates

    Hello everyone, I plan to include coordinates as covariates in the regression equation in order to adjust for the spatial trend that exists in the...

    Started by bekkiee‎, 07-04-2012 08:01 PM
    • Replies: 0
    • Views: 2,354
    07-04-2012, 08:01 PM Go to last post

+ Post New Thread

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