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Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Regression analysis : with ranking data

    In my survey I have independent variables of age , sex and length of membership I have then have a question where I ask participants to rank 5...

    Started by Epy‎, 08-24-2016 12:21 AM
    • Replies: 2
    • Views: 1,182
    08-24-2016, 04:21 AM Go to last post
  2. Lag Lenght

    Hi guys. I am making research and I am faced with some problem. I have VAR model and try to conduct ADF test. I use Schwarz criteria for defining lag...

    Started by Meloyn‎, 08-24-2016 04:00 AM
    adf, schwert, var
    • Replies: 0
    • Views: 840
    08-24-2016, 04:00 AM Go to last post
  3. Interpreting an interaction effect

    Hi All, Last year I ran an experiment where I measured the behaviour of a songbird (how long it took them to approach a speaker playing their...

    Started by shardman‎, 08-20-2016 04:35 AM
    • Replies: 6
    • Views: 1,764
    08-23-2016, 04:57 AM Go to last post
  4. AMOS OUTPUT - Interpreting results for moderation

    Hello! Please some one help me interpret and put in writing the results (attached as images) from AMOS for moderation analysis. Please I need...

    Started by Zainab‎, 08-20-2016 02:47 AM
    • Replies: 1
    • Views: 1,870
    08-22-2016, 06:52 PM Go to last post
  5. Moderator analysis: regression x partial corr.

    Hi, I hope someone can answer my question soon. I am helping my friend with research. She has independent variable X and dependant variable Y and...

    Started by Strider‎, 08-20-2016 07:39 PM
    • Replies: 1
    • Views: 1,485
    08-20-2016, 08:58 PM Go to last post
  6. How to interpret the Line Graph

    Hello! Please if someone help in writing what this line graph means. Thank You.

    Started by Zainab‎, 08-20-2016 01:32 PM
    • Replies: 2
    • Views: 1,639
    08-20-2016, 04:52 PM Go to last post
  7. linear regression without intercept with dummy variables

    Hello, i run simple linear with one dummy variables and no intercept. i would like to understand the meaning of this. for example, my beta1=1.2,...

    Started by AlexeyS‎, 08-20-2016 12:59 AM
    dummy variables, linear regression, no intercept
    • Replies: 1
    • Views: 1,660
    08-20-2016, 06:13 AM Go to last post
  8. transformation on variables

    I run simple linear regression, and saw that my residuals not distributed normally. my dependent variable histogram was as log-normal, i did a...

    Started by AlexeyS‎, 08-20-2016 01:41 AM
    • Replies: 0
    • Views: 857
    08-20-2016, 01:41 AM Go to last post
  9. Detecting fake results

    Hello everyone, I am currently working together with a fellow student on analyzing what factors affect profitability in banking, by using a...

    Started by Eina‎, 08-19-2016 12:07 PM
    • Replies: 5
    • Views: 1,448
    08-19-2016, 03:40 PM Go to last post
  10. Combining data from different sources

    Hi, I have data from two very different sources (bird counts from ships and bird counts from the shore) which aim to estimate the same...

    Started by mmercker‎, 08-19-2016 11:51 AM
    biology, machine learning, model averaging, regression analysis
    • Replies: 2
    • Views: 1,085
    08-19-2016, 01:28 PM Go to last post
  11. Level-2 in growth models

    Dear all, Perhaps someone could help me with a more detailed explanation why time is specified as a level-2 variable in the growth models...

    Started by dnh‎, 08-19-2016 05:25 AM
    • Replies: 0
    • Views: 527
    08-19-2016, 05:25 AM Go to last post
  12. Regression analysis with sales forecasting

    Hello, I am in the process of using a regression model to help predict the forecast of soft drinks. I have 52 sets of weekly data and my...

    Started by statsgirl123‎, 08-17-2016 02:17 PM
    forecasting, regression, standard error
    • Replies: 1
    • Views: 1,129
    08-17-2016, 10:32 PM Go to last post
  13. Logistic regression data set

    Hi all. I am in search of a public data set online where I could run a logistic regression. The data should be about 10-20 variables and a fairly...

    Started by sonicbill11‎, 08-17-2016 08:17 AM
    • Replies: 1
    • Views: 1,077
    08-17-2016, 01:51 PM Go to last post
  14. Lightbulb Fama-Macbeth cross-sectional regression interpretation

    Hello everyone, I have applied Fama-Macbeth cross-sectional regression on Fama and French five-factor model (2014). On the left-hand side are the...

    Started by Subhan Ahmad‎, 08-17-2016 12:59 PM
    asset pricing model, fama macbeth regression, regression coefficent
    • Replies: 0
    • Views: 1,487
    08-17-2016, 12:59 PM Go to last post
  15. Estimating uncertainty/error in multi-measurement, multi-replicate analysis

    Please forgive my ignorance, it has been a while since error analysis in college and I am at a loss trying to estimate error for the following...

    Started by MDYK1976‎, 08-16-2016 05:35 PM
    • Replies: 0
    • Views: 710
    08-16-2016, 05:35 PM Go to last post
  16. Reporting Multiple Regression with Categorical Variable(s)

    Hi everyone, I'm overthinking one of my analyses and need a community sanity check. :) For simplicity's sake, let's say that my basic multiple...

    Started by tophbeifong‎, 08-16-2016 11:07 AM
    • Replies: 2
    • Views: 1,038
    08-16-2016, 11:55 AM Go to last post
  17. Interaction effect

    Hey guys, I would like to investigate effect of a treatment in randomized control trial. Also, I would like to investigate the moderating effect...

    Started by floriisco‎, 08-15-2016 12:48 PM
    interaction effect, interactive terms
    • Replies: 4
    • Views: 1,046
    08-15-2016, 01:13 PM Go to last post
  18. How to visualize linear multiple regression?

    Hello, I have data from measuring und now i have made linear multiple regression to describe one size from five another sizes. I have get an...

    Started by Perilun‎, 08-14-2016 03:40 PM
    • Replies: 3
    • Views: 1,666
    08-15-2016, 07:25 AM Go to last post
  19. Post A priori Power Analysis

    Hey Guys, I am a newbie and have a question on power analysis. I would like to measure the effect of an intervention on various measures and...

    Started by floriisco‎, 08-13-2016 11:02 AM
    hypothesis testing, lmr, power analysis
    • Replies: 2
    • Views: 2,582
    08-15-2016, 04:10 AM Go to last post
  20. Beta Regression Resources?

    Does anyone have some good resources for Beta Regression related to all of its parts: -assumptions -diagnostic (residuals) ...

    Started by hlsmith‎, 08-10-2016 04:04 PM
    beta regression, lemon squeezer
    • Replies: 8
    • Views: 2,287
    08-13-2016, 01:41 PM Go to last post
  21. how to explian the insig. main effect without sig. coefficient of interaction?

    I am doing the research using the panel data. My confusions follow. Y=x1+x2: X1 sig, but X2 insig. however, when interaction is put into the model...

    Started by davidxu‎, 07-28-2016 01:40 AM
    • Replies: 3
    • Views: 1,480
    08-08-2016, 10:49 PM Go to last post
  22. Binary logistic regression

    Hi there i ran logistic regression and got the following model: var1: B = -5.670 Sig = 0.01 Exp (B) 0.003 Constant: B = -0.469

    Started by kasperski‎, 08-02-2016 11:54 AM
    • Replies: 13
    • Views: 2,000
    08-08-2016, 11:38 AM Go to last post
  23. Proof

    Hello! I've read a textbook with the following expression. "y = beta 0 + beta 1 * lnx + u" and it claimed that end up: delta y = beta 1 * ((delta...

    Started by BatmanForever‎, 08-08-2016 05:30 AM
    • Replies: 1
    • Views: 1,798
    08-08-2016, 09:31 AM Go to last post
  24. comparing extremes of an independent variable

    Dear all, I have been cracking my head for 2 weeks but i havent been able to figure out this, so i decided to ask for help. I have done a...

    Started by niccolo‎, 08-04-2016 03:54 AM
    • Replies: 10
    • Views: 1,483
    08-04-2016, 07:18 PM Go to last post
  25. Determining Classification accuracy of a Multinomial Logistic Regression using R nnet

    Hi, I am trying to assess the classification accuracy for a Multinomial Logistic Regression model using R. I have adapted the example below to my...

    Started by cometorta‎, 08-03-2016 04:50 PM
    false positives mlr
    • Replies: 1
    • Views: 1,548
    08-03-2016, 09:50 PM Go to last post
  26. Determining residual outliers when heteroskedasticity exists

    Hi, I was wondering if anyone has any thoughts on the best way to approach the detection of outliers based on residuals from a linear regression...

    Started by talkbox‎, 08-03-2016 07:13 AM
    • Replies: 3
    • Views: 1,308
    08-03-2016, 01:46 PM Go to last post
  27. Need Help with developing general linear mixed model regression equation

    I'll be moving this to another thread and don't want to create multiple versions. Thanks!

    Started by Laide‎, 08-03-2016 12:13 PM
    applied statistics, finance, healthcare, regression
    • Replies: 0
    • Views: 934
    08-03-2016, 12:13 PM Go to last post
  28. Model equation Binary probit model

    Hi, the model equation for a binary probit model looks like that: Prob(Y=1|X) = Φ(Xβ) I just want to know if my vector X includes covariates...

    Started by xs0982‎, 08-03-2016 06:44 AM
    • Replies: 1
    • Views: 1,183
    08-03-2016, 10:49 AM Go to last post
  29. Difference between a VAR and a VECM

    Hello, I am performing cointegration analysis using Eviews and the DOLS estimator in the cointegrating equation. After saving the residuals of...

    Started by Reynaldo2007‎, 08-02-2016 09:55 PM
    econometrics, var, vecm
    • Replies: 0
    • Views: 1,869
    08-02-2016, 09:55 PM Go to last post
  30. Regularized Regression

    When is L1, L2 or e-net preferred when analyzing data? It can't all be based on cross-validation?

    Started by hlsmith‎, 08-02-2016 10:49 AM
    • Replies: 0
    • Views: 910
    08-02-2016, 10:49 AM Go to last post
  31. Regression on two explicative variables

    Hello, I am currently doing a thesis which aims to explain returns of stocks in function of the ownerships of some stakeholders. In the Excel...

    Started by Gaut93‎, 08-01-2016 05:24 AM
    • Replies: 2
    • Views: 1,409
    08-02-2016, 02:42 AM Go to last post
  32. Interpreting residuals

    Still getting used to interpreting large numbers of data points for regression assumptions. The attached looks fan shaped to me, which it is said...

    Started by noetsi‎, 06-09-2016 01:42 PM
    • Replies: 10
    • Views: 2,962
    08-01-2016, 08:16 AM Go to last post
  33. Data forecast

    Hello, I'm not exactly sure if this is the right forum, or even if what I'm looking for is actually called data-forecasting, but here's my question...

    Started by jepperaskdk‎, 07-30-2016 05:52 PM
    • Replies: 1
    • Views: 923
    07-31-2016, 03:17 PM Go to last post
  34. Nonlinear Regression - Statistica

    Hello Everyone, I trust you are all doing great. I was working on an experimental problem and I have got to the phase where I need to carryout...

    Started by Sean0072‎, 07-31-2016 05:24 AM
    • Replies: 0
    • Views: 862
    07-31-2016, 05:24 AM Go to last post
  35. Regression Analysis

    Hello, It would be great if somebody can help me with this: Is it correct to conduct factor analysis on data source (A) and then run a simple...

    Started by MSN‎, 07-29-2016 09:00 AM
    correlation, dependent variables, factor analyses, independent variables, regression analysis
    • Replies: 2
    • Views: 1,759
    07-29-2016, 07:05 PM Go to last post
  36. Leverage/outliers in large data sets

    Typically discussions of these and their impact on regression deal with individual points. Commonly I have 10-30 thousand data points and its...

    Started by noetsi‎, 06-11-2016 02:35 PM
    • Replies: 3
    • Views: 1,555
    07-28-2016, 06:30 AM Go to last post
  37. Lagged independent variables

    Hi, In my probit model I have a DV measured in t and several independent variables lagged up to 5 years. There also some other independent control...

    Started by xs0982‎, 07-28-2016 02:48 AM
    • Replies: 0
    • Views: 979
    07-28-2016, 02:48 AM Go to last post
  38. what does it mean if the f stat is 0?

    title says it all

    Started by imscrewd‎, 07-27-2016 11:45 PM
    • Replies: 1
    • Views: 883
    07-28-2016, 02:44 AM Go to last post
  39. Unhappy homework help

    1.The following data concerning income and educational attainment for several counties in Alabama were taken from the U.S. Census Website. County...

    Started by imscrewd‎, 07-27-2016 11:11 PM
    • Replies: 1
    • Views: 1,175
    07-28-2016, 02:05 AM Go to last post
  40. Interpreting scaling vs centring vs normalizing negative binomial model

    Hello, I'm a bit confused between the difference between scaling and centring in a negative binomial regression. My model looks like this:...

    Started by lken‎, 07-27-2016 02:00 PM
    centering, negative binomial, normalization, scaling
    • Replies: 0
    • Views: 1,223
    07-27-2016, 02:00 PM Go to last post
  41. Hypothesis for logistic regression

    I get a group of data and would like to use the regression to analysis the relationship. The dependent variable Y is a kind of loss rate, so it is...

    Started by pepsico007‎, 07-27-2016 08:30 AM
    hypothesis, logistic, regression
    • Replies: 4
    • Views: 2,055
    07-27-2016, 12:37 PM Go to last post
  42. 2 or 3 level multilevel model? Quick query

    Hi there, The title should read 3 or 4 level multilevel model, my apologies. I am estimating a multilevel model (in Stata). My goal is to...

    Started by StatsQQQ‎, 07-26-2016 12:31 PM
    country, level, multilevel, regression
    • Replies: 1
    • Views: 1,509
    07-26-2016, 07:55 PM Go to last post
  43. Choosing appropriate statistics (please)

    Hi, I have an issue (mostly being clueless and trying to achieve more than I can), I am writing a page in Ruby on Rails for which I need to calculate...

    Started by HaideeHammond‎, 07-25-2016 03:14 PM
    correlation, pearson, phi coefficient, probablity, ruby
    • Replies: 0
    • Views: 990
    07-25-2016, 03:14 PM Go to last post
  44. How to Interpret the Factor Analysis Findings

    Kindly help in interpreting the SPSS Factor Analysis findings as attached

    Started by Zainab‎, 07-23-2016 03:44 PM
    • Replies: 4
    • Views: 2,118
    07-24-2016, 12:37 PM Go to last post
  45. Moved: How to Interpret the Factor Analysis Findings

    Kindly help writing research findings for the Factor Analysis as attached

    Started by Zainab‎, 07-24-2016 06:17 PM
    • Replies: -
    • Views: -
    07-24-2016, 12:37 PM Go to last post
  46. Please help with the regression analysis result

    Greetings everyone, I'm currently working on my Bachelor thesis relating to behavioral finance. My topic requires me to run a regression analysis...

    Started by darkblade0808‎, 09-20-2015 11:05 PM
    • Replies: 4
    • Views: 2,704
    07-24-2016, 02:41 AM Go to last post
  47. Exclamation please help : modelization

    Hello, I have a distribution which looks like a Khi-2 distribution, which model is most appropriate? I try linear regression, but normal...

    Started by elle1301‎, 07-21-2016 04:14 AM
    khi-2, regression
    • Replies: 5
    • Views: 1,633
    07-22-2016, 03:13 AM Go to last post
  48. Weighted Cases- Binomial Logistic Regression in SPSS

    I am currently using the HCUP KID federal database which employs discharge weights to better estimate the true number of cases. For example, I have...

    Started by CharTam‎, 07-21-2016 02:34 PM
    • Replies: 0
    • Views: 2,409
    07-21-2016, 02:34 PM Go to last post
  49. Interaction term with no biological significance

    Hello friends, I've used a negative binomial GLM to look at how invertebrate abundance (over dispersed) is affected by seagrass density. There...

    Started by lken‎, 07-20-2016 01:47 PM
    • Replies: 3
    • Views: 1,567
    07-21-2016, 01:05 PM Go to last post
  50. Multiple regression analysis

    Hello All, Please help me with my multiple regression analysis result. My questionnaire consisted of 7 independent variables using 7 point...

    Started by Amrita‎, 07-21-2016 02:56 AM
    • Replies: 0
    • Views: 693
    07-21-2016, 02:56 AM Go to last post
  51. Ordinal mixed model assumptions

    I understand that I can perform a mixed model with ordinal outcome in spss using GENLINMIXED command I just want to know what are the assumptions...

    Started by wadder‎, 07-20-2016 04:48 PM
    • Replies: 0
    • Views: 1,315
    07-20-2016, 04:48 PM Go to last post
  52. 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...

    Started by derekcruise‎, 07-17-2016 01:25 PM
    • Replies: 7
    • Views: 1,389
    07-19-2016, 07:18 AM Go to last post
  53. I cant think of the name of a function.

    Hi all. this is my first post on talkstats. I'll try to be brief. I remember learning about comparing the top 30% and bottom 30% of results to...

    Started by igneggo‎, 07-19-2016 05:48 AM
    • Replies: 0
    • Views: 1,219
    07-19-2016, 05:48 AM Go to last post
  54. Analysing a designed experiment - is the theory wrong?

    hi, just had a scary thought . in all industrial DoEs we definitely have measurement error on the IVs. However I have always seen the OLS as the...

    Started by rogojel‎, 07-17-2016 12:06 AM
    • Replies: 11
    • Views: 1,221
    07-18-2016, 11:07 AM Go to last post
  55. Event probabilities from the regression analysis

    Hi, I am looking for all possible sources (literature, articles, books) with descriptions how to transform different kinds of regression analysis...

    Started by Vlajkony‎, 07-15-2016 04:55 AM
    event probabilities, probabilities, regression analysis, transformations
    • Replies: 5
    • Views: 1,532
    07-15-2016, 09:55 PM Go to last post
  56. Assumptions of time series regression

    I was wondering what the equivalent assumptions to Gauss Markov are for time series regression. Some are clearly different. Stationarity is not (as...

    Started by noetsi‎, 07-12-2016 12:44 PM
    • Replies: 2
    • Views: 1,425
    07-12-2016, 05:36 PM Go to last post
  57. Question Interpretation help for my negative binomial regression --> Testing for curviliniarit

    Hello everyone, I am a newby to that forum, so I hope my question is not redundant. I am currently sitting on my master thesis where I...

    Started by Sophie Hoffmann‎, 07-12-2016 09:14 AM
    • Replies: 1
    • Views: 799
    07-12-2016, 10:50 AM Go to last post
  58. How to interpret the standard error of regression coefficients

    Hi folks, This is my first post here - I have read all the rules - please forgive me if I break one! I have run an ANCOVA in SPSS. Obviously, in...

    Started by limeandginger‎, 07-11-2016 09:09 PM
    • Replies: 1
    • Views: 955
    07-12-2016, 09:24 AM Go to last post
  59. Question Power function - finding if the slope is significant or not?

    Hi, I'm using power functions to look at a relationship between time and age and I need to be able to test whether or not the slope of this...

    Started by h_amer‎, 07-11-2016 08:30 AM
    non-linear, p-value, power regression, slope
    • Replies: 2
    • Views: 1,118
    07-11-2016, 10:26 AM Go to last post
  60. How to study association between categorical variables?

    I have 4 categorical variables in a dataset let X1, X2, X3 and Y. Where X1,X2 and Y is a binary random variable and X3 have 3 categories. X1,X2...

    Started by askazy‎, 07-10-2016 12:33 PM
    • Replies: 6
    • Views: 1,163
    07-10-2016, 07:00 PM Go to last post

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