1. Announcement:
    Search functionality giving errors
    Dason ‎(Devorador de queso)
    05-07-2017
    Views:
    2,959
+ Post New Thread
Page 4 of 72 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 54 ... LastLast
Threads 181 to 240 of 4309

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Comparing beta's of different regression analyses for significance

    Hi all, I have been struggling with this for a while now, so I really hope one of you can help me out: I am trying to compare two different...

    Started by anneb‎, 01-30-2017 02:14 PM
    • Replies: 2
    • Views: 1,566
    01-30-2017, 03:42 PM Go to last post
  2. robust regression estimators

    Hi everyone. I have studied the robust regression a few weeks ago and I want to have a lot of insight about it. After reading some sources, I know...

    Started by Pamona D‎, 01-30-2017 08:23 AM
    regression analysis, robust linear regression
    • Replies: 2
    • Views: 2,126
    01-30-2017, 11:00 AM Go to last post
  3. Anova/Linear regression

    I have two datasets, one collected by one instrument, say A, and one by another, say B, at the same time. I need to use instrument B to calibrate...

    Started by jenny_stats‎, 01-30-2017 05:45 AM
    • Replies: 0
    • Views: 1,460
    01-30-2017, 05:45 AM Go to last post
  4. Estimate Residuals

    Hi statistics experts, I run a usual regression model (1 dependent, different independent variables) for each industry-year and save the residuals...

    Started by M90‎, 01-29-2017 05:31 AM
    • Replies: 2
    • Views: 1,725
    01-29-2017, 12:03 PM Go to last post
  5. SPSS: regression analysis for 3x2 experiment. How to test for interaction

    Dear all, For my research I have the following facts: - I have two categorical IVs: - treatment condition called competition, which has...

    Started by Ricovermeulen‎, 01-25-2017 09:39 AM
    3x2, anova, experiment, regression
    • Replies: 4
    • Views: 2,200
    01-29-2017, 04:19 AM Go to last post
  6. Help: regression analysis for categorical/binary exposure

    Cell biologist in need of stats help! I am using stata to analyse my data and have two questions: 1. I have a continuous outcome (hippocampal...

    Started by Leucine‎, 01-28-2017 07:50 PM
    • Replies: 3
    • Views: 1,931
    01-28-2017, 11:45 PM Go to last post
  7. Logistic Regression on SAS, all variables I put in to test are showing up as insignif

    Hello, I need help really badly. I am using SAS to do my statistical modelling. I have several different categorical variables with the...

    Started by shivu‎, 01-27-2017 07:46 PM
    • Replies: 2
    • Views: 1,926
    01-27-2017, 09:49 PM Go to last post
  8. Comparison of Coefficients of two different Regression Models

    Hi everyone, I am analyzing the impact of price and promotion activities on sales in two separate 2-Way-Fixed Effects models. One model is for...

    Started by LariB‎, 01-23-2017 04:08 AM
    • Replies: 4
    • Views: 2,273
    01-27-2017, 03:53 PM Go to last post
  9. Exp(B) or CI values with the letter "E"

    Dear all, I am running a Multinomial Log. Regression. Everything seems fine but I do not understand when Exp(B) oder CI values are like...

    Started by rezzak‎, 01-26-2017 04:42 AM
    confidence interval, exp(b), logistic regression
    • Replies: 6
    • Views: 2,499
    01-27-2017, 11:42 AM Go to last post
  10. Beta significance level in one model the same as the R-squared-change significance

    I am very new to statistics, so apologies in advance if I have not explained this clearly. I have run two types of linear regression: - The...

    Started by francyb‎, 01-23-2017 05:03 PM
    beta, linear regression, regression, signifiance
    • Replies: 1
    • Views: 2,295
    01-24-2017, 10:50 AM Go to last post
  11. what to do with "bad" logistic regression results

    I ran a simple logistic regression in R and here are my results. my independent variables are all "counts" and I coded my Y as 0 and 1. This is a...

    Started by semidevil‎, 01-18-2017 04:16 PM
    • Replies: 9
    • Views: 3,157
    01-23-2017, 12:18 PM Go to last post
  12. Finding predicted values with logged (ln) dependent variable.

    Hello all, I'm currently working on my first quantitative project. I am doing an OLS regression in SPSS. I had to take the natural log of my DV in...

    Started by burdfishdemon‎, 07-27-2016 03:21 AM
    log transformation, ols, predicted values, spss, statistics
    • Replies: 4
    • Views: 2,888
    01-23-2017, 11:16 AM Go to last post
  13. I think this is a simple question but I can't seem to find it in my stats book

    I have a linear regression equation (y=6.0707x-1200.2) that was used to develop 50 point estimates. The sum of these estimates is the point estimate...

    Started by bugle4one‎, 01-19-2017 11:27 AM
    • Replies: 12
    • Views: 2,753
    01-20-2017, 02:29 PM Go to last post
  14. im a newbie and i need some help with regression :(

    kayy... masters student here :wave: im so lost in my statistical analysis and my supervisor isn't really helpful :( for my model i have 3...

    Started by jkerr1‎, 01-20-2017 08:01 AM
    • Replies: 1
    • Views: 2,204
    01-20-2017, 12:30 PM Go to last post
  15. How to investigate a curvilinear relationship? (power curve?)

    Hi there, Can anyone tell me how to explore this relationship on SPSS using a regression analysis? I have been advised that this relationship...

    Started by crook‎, 01-19-2017 01:01 PM
    • Replies: 13
    • Views: 2,494
    01-19-2017, 11:57 PM Go to last post
  16. Deriving further values from regression coefficients

    Hi, Iím hoping someone can help me. Iím trying to derive another value from the coefficients of two regression equations. I have 2 regression...

    Started by Noble‎, 01-19-2017 09:43 AM
    cauchy, coefficients, regression
    • Replies: 0
    • Views: 1,493
    01-19-2017, 09:43 AM Go to last post
  17. Math Help: How to Calculate Weights for Multiplicative Model with Dummy Variables

    Hi Everyone, My question is how do I calculate weights for Y=W1X1*W2X2*WNXN where N is the number of independent variables. I could use...

    Started by CharlieBombay‎, 01-18-2017 11:52 AM
    coefficients, math, predictive model
    • Replies: 1
    • Views: 2,021
    01-18-2017, 04:51 PM Go to last post
  18. How can this be true [linear versus logistic regression]

    This comes from a government study that was used to generate something of great importance, funding and related factors for a major government...

    Started by noetsi‎, 01-07-2017 01:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 5,107
    01-15-2017, 02:51 PM Go to last post
  19. Can data be classified as count data?

    Hi, I have a dataset spanning two years which consists of individuals entering some process. Once they have entered this process I want to predict...

    Started by Mkkl‎, 01-15-2017 05:25 AM
    count data, negative binomial, poisson
    • Replies: 2
    • Views: 2,107
    01-15-2017, 08:38 AM Go to last post
  20. How to Fit polynomial regression by bootstrap and establishing IC of each parameters

    #Hi everybody and excuse me for my bad english for this request on R. #here parameter of an hypothetical interval : ...

    Started by philippe‎, 01-13-2017 08:28 PM
    bootstrap, regression analysis, regression coefficent, routine r
    • Replies: 0
    • Views: 1,547
    01-13-2017, 08:28 PM Go to last post
  21. growth curve models

    hi all, suppose my outcome is total yearly savings ($). i want to use growth curve models to see how 4 different groups change in their savings...

    Started by leonedelman‎, 01-13-2017 06:41 AM
    growth curve models
    • Replies: 0
    • Views: 1,922
    01-13-2017, 06:41 AM Go to last post
  22. Random slopes

    Dear experts, When should I include random slopes in my non-linear mixed effects model? Is it solely when it results in a better Log...

    Started by Palermo‎, 01-12-2017 10:49 PM
    • Replies: 0
    • Views: 1,583
    01-12-2017, 10:49 PM Go to last post
  23. Checking temporal dependency

    Hi guys, this is my problem: I have performed some experimental tests (tomographies) on 40 samples. These samples are made by four different...

    Started by dado92‎, 01-11-2017 12:10 PM
    temporal dependency
    • Replies: 2
    • Views: 2,060
    01-11-2017, 01:12 PM Go to last post
  24. Dealing with temporal autocorrelation

    Hi, assume we have a measured value for each year from 1990-210, and we want to estimate a linear trend. Now there is a problem of...

    Started by mmercker‎, 01-10-2017 03:22 AM
    additive, autocorrelation, gam, regression, trend
    • Replies: 2
    • Views: 2,225
    01-10-2017, 11:39 AM Go to last post
  25. Question Mediation Output with Process

    Hi, I am investigating a variable for its effect as a mediator with SPSS and Process but I have problems interpreting the output. First I...

    Started by StatStud‎, 01-10-2017 08:08 AM
    mediation, process
    • Replies: 0
    • Views: 2,604
    01-10-2017, 08:08 AM Go to last post
  26. What is spatial regression?

    This is the first time I have heard of this technique . They are concerned with what they call spatial issues, for example how rural versus urban...

    Started by noetsi‎, 01-09-2017 09:47 AM
    • Replies: 6
    • Views: 2,139
    01-09-2017, 02:41 PM Go to last post
  27. Statistical inference.

    Hi there, I would like to ask a couple of basic questions: 1. What is the difference between estimation and hypothesis testing? I mean are they...

    Started by Abubaker‎, 01-08-2017 06:25 AM
    hypothesis testing, model selection, modeling techniques, statistical inference
    • Replies: 1
    • Views: 2,084
    01-09-2017, 02:01 PM Go to last post
  28. Individual versus aggregate regression

    What is the difference between doing regression at an individual versus a aggregate level This is an example of what I am talking about for...

    Started by noetsi‎, 01-07-2017 02:09 PM
    • Replies: 0
    • Views: 2,133
    01-07-2017, 02:09 PM Go to last post
  29. I want to learn to create ARX, ARMAX, Box-Jenkins and Output-Error

    Hello. I'm am a control engineer and I want to upgrade my skills in simulation of dynamic physical systems. Normaly I describe my physical system...

    Started by Volvo742‎, 01-06-2017 08:22 AM
    • Replies: 8
    • Views: 2,666
    01-07-2017, 12:43 PM Go to last post
  30. 'e' in expected values in Poisson

    Using this example (see below) could someone please tell me what the 'e' symbol stands for and how one would work out the expected values manually. ...

    Started by sarahharding‎, 01-05-2017 11:44 AM
    expected values, poisson distribution, poisson regression, symbols
    • Replies: 1
    • Views: 2,047
    01-05-2017, 02:43 PM Go to last post
  31. Question Data input- ordered logistic regression

    Hello, I am trying to analyze the relationship between mode familiarity and Technology & demographic characteristics. So I have an ordinal dependent...

    Started by paranjyoti‎, 01-05-2017 09:09 AM
    data analysis, logistic regression, regression analysis, spss
    • Replies: 0
    • Views: 1,473
    01-05-2017, 09:09 AM Go to last post
  32. Regression analysis in R - which variables to include?

    Hi all, I am doing causal research between the relation between a dependent variable Y which consists of 4 phases (so 4 dependent variables Y1,...

    Started by koot6133‎, 01-05-2017 07:45 AM
    correlation, multiple regression, selection of variables
    • Replies: 0
    • Views: 1,706
    01-05-2017, 07:45 AM Go to last post
  33. Is Using an Explanatory Variable that Defines My X-Y Pairs Correct ??

    Hello My question is basic I guess: My data looks like this: obs date Y X 1 1/1/2010 5.6 3 2 1/2/2010 7.9 5 3 ...

    Started by Meytar‎, 01-03-2017 02:45 PM
    • Replies: 0
    • Views: 2,101
    01-03-2017, 02:45 PM Go to last post
  34. Cool weird difference between measures of Goodness-of-Fit ??

    Dear stats friends I have run an ordinal regression in SPSS on 700 subjects I have data on an ordinal DV: heart disease score between 0 and 3. ...

    Started by wulfgar‎, 12-30-2016 12:38 PM
    • Replies: 2
    • Views: 2,824
    12-30-2016, 12:45 PM Go to last post
  35. Complicated Research quesiton

    Im looking to do some research in the social science field and I have to do a statistical analysis of a complicated set of self report measures. I'd...

    Started by danmpc‎, 12-28-2016 06:52 AM
    • Replies: 8
    • Views: 3,008
    12-30-2016, 12:33 PM Go to last post
  36. Post Calculating the multiple regression function via canonical correlation analysis

    I've got one dependent variable and two independent variables. I need to calculate the multiple regression function via canonical correlation...

    Started by floflo‎, 12-29-2016 02:35 PM
    canonical, canonical analysis, eigenvalue, multiple regression, svd
    • Replies: 0
    • Views: 2,127
    12-29-2016, 02:35 PM Go to last post
  37. ANOVA - Does Welch's test assume homogeneity of variances, or not?

    In other words, will it return a much smaller standard error when variance are unequal than Fisher's? Or is it not concerned with variance?

    Started by bikingman‎, 12-28-2016 04:02 PM
    anova
    • Replies: 3
    • Views: 2,082
    12-28-2016, 09:46 PM Go to last post
  38. General linear model and residuals

    Hi, i'm using SPSS for analysis of my data using general linear model with 3 independet factors (2 levels each) and one independent ordinal factor (4...

    Started by igsimoes‎, 12-26-2016 12:55 PM
    • Replies: 0
    • Views: 2,129
    12-26-2016, 12:55 PM Go to last post
  39. How to Compare B Coefficients within and between models in R?

    Hello people, I am new to this forum and it would be great if some experienced people could help met out. I would like to know what the...

    Started by KevinAdam‎, 12-24-2016 05:00 PM
    • Replies: 1
    • Views: 2,684
    12-25-2016, 04:16 AM Go to last post
  40. Newbie needs some help with his model interpretation

    Hello, i am quite new in the world of statistical problems :) I have read some lecture notes and books to solve my current problem, but i am note...

    Started by R_Newcomer‎, 12-24-2016 09:52 AM
    • Replies: 0
    • Views: 2,414
    12-24-2016, 09:52 AM Go to last post
  41. Regression on estimated variables

    I'm making a two-step analysis for my data. First Step: I've collected inflation and interest rate data for 25 countries in a monthly frequency...

    Started by glima‎, 12-22-2016 08:18 AM
    measurement error, regression, standard errors
    • Replies: 2
    • Views: 2,286
    12-23-2016, 09:52 AM Go to last post
  42. Beginner's question: Is profit/loss data always ratio in nature? How to treat it?

    Hello, I'm afraid this is another beginner's question. I've only recently grasped the fundamentals of linear and multiple linear regression and I...

    Started by MrPink‎, 12-21-2016 08:43 AM
    beginner, lineal model, ratio
    • Replies: 3
    • Views: 2,265
    12-21-2016, 06:06 PM Go to last post
  43. Random intercept only for 1 subgroup in lmer

    Dear all, suppose I have a case study with 3 different populations, A, B and C. For all groups I have data on, e.g. body mass, length and sex of a...

    Started by Luke‎, 12-21-2016 03:30 AM
    • Replies: 2
    • Views: 2,421
    12-21-2016, 12:12 PM Go to last post
  44. Calculating probabilities from logit parameters estimated with effect coding

    Hello, I calculated this multinomial logit model using an effect coding (-1 0 1). The variable edu3 is the education level (3 categories), sex has...

    Started by Demographer‎, 12-21-2016 03:39 AM
    • Replies: 0
    • Views: 1,812
    12-21-2016, 03:39 AM Go to last post
  45. moderation in SPSS vs. PROCESS

    Hi. I did mediation and moderation analysis of one model in 2 programs: SPSS and PROCESS (macro). Mediation was the same, but moderation was...

    Started by Ginny Joyce‎, 10-15-2016 08:14 AM
    moderation, process, spss
    • Replies: 2
    • Views: 3,288
    12-19-2016, 08:35 AM Go to last post
  46. 3-way ANOVA for paired groups and repeated measures or a GEE

    Hi! I need help for data analysis of my masters.I work with awake rats in pharmacology experiments. In my experiment I have some groups of treatment...

    Started by igsimoes‎, 12-17-2016 07:26 AM
    • Replies: 2
    • Views: 1,961
    12-18-2016, 11:01 AM Go to last post
  47. When to use Augmented Dickey Fuller test vs Dickey Fuller Test - Time series

    Checking a variable for I(1) process, when should i use a ADF vs DF test?

    Started by maasi007‎, 12-17-2016 10:01 AM
    arma, dickey fuller augmented, dickey fuller test, time series, time series analysis
    • Replies: 1
    • Views: 2,193
    12-17-2016, 12:30 PM Go to last post
  48. Trying to think of alternative methods to approaching my model for dynamic pricing

    Right now i run a pricing experiment where 25%of users get one of 4 random prices. After collecting sufficient data, I split my data into training...

    Started by bball3212‎, 12-16-2016 10:37 AM
    • Replies: 0
    • Views: 1,749
    12-16-2016, 10:37 AM Go to last post
  49. help in model

    I have a data set like that ID Wight age sex season region response 1 60 40 1 4 2 1000 2 65 ...

    Started by mosthamed‎, 12-16-2016 05:35 AM
    • Replies: 1
    • Views: 2,050
    12-16-2016, 09:00 AM Go to last post
  50. Repeated Measures model with Covariates

    Hi Everyone, i am struggling with finding a good way to analyze a dataset. The design is this: I have 25(n) subjects, all of them are tested in an...

    Started by cecilia‎, 12-15-2016 04:49 AM
    categorical, covariate, model, multiple regression, repeated measures
    • Replies: 1
    • Views: 2,332
    12-16-2016, 02:23 AM Go to last post
  51. How to calculate residual covariance in R

    I know it is may be a silly question but I am looking for an answer if I fitted a linear model c<- lm (y~ a+ b) I need to get the residual...

    Started by mosthamed‎, 12-15-2016 06:45 AM
    linear model
    • Replies: 1
    • Views: 2,143
    12-16-2016, 02:18 AM Go to last post
  52. Linear Regression - Beginner Need Help

    Hello everyone, I have a simple exercise to do about linear regressions and models but I have a few doubts. The exercise gives you 2 vectors(let's...

    Started by dieselonthecouch‎, 12-14-2016 10:38 AM
    • Replies: 4
    • Views: 2,480
    12-14-2016, 03:04 PM Go to last post
  53. Advice on OLS analysis

    Hello Everyone, I’m writing a paper on the relationship between weather on daily public bike share system usage. I’m looking for a bit of advice...

    Started by bikingman‎, 12-14-2016 12:59 PM
    ordinary least squares
    • Replies: 0
    • Views: 1,581
    12-14-2016, 12:59 PM Go to last post
  54. Question Adaptive Lasso and CrossValidation for SNV selection

    Hello everyone, I have available 17 000 variables (SNV frequencies, a certain number of zeros) for 40 patients. Each patient is represented by its...

    Started by CorentinR‎, 12-13-2016 07:29 AM
    adaptive-lasso, cross-validation, high throughput, variable selection
    • Replies: 3
    • Views: 2,386
    12-13-2016, 11:51 AM Go to last post
  55. SEM versus multiple regression?

    Hello. I have a within-subjects longitudinal design with two time points. There are two DVs and 3 IVs. All are measured at both time points. I used a...

    Started by morlei‎, 12-13-2016 10:27 AM
    • Replies: 1
    • Views: 1,882
    12-13-2016, 10:41 AM Go to last post
  56. Mixed effects using nlme in R

    If I include an interaction (time*score) in my model the main effect (score) is significant. However, if I remove the covariate (time), the effect...

    Started by Palermo‎, 12-05-2016 05:55 PM
    • Replies: 3
    • Views: 2,456
    12-13-2016, 03:44 AM Go to last post
  57. mixed effects influence of interaction

    Can someone confirm that the following are correct. I'm trying to model both the random intercept and random intercept/slope models. Random...

    Started by Palermo‎, 12-12-2016 11:15 PM
    • Replies: 2
    • Views: 2,035
    12-13-2016, 03:25 AM Go to last post
  58. Logistic Regression Output

    Hey All, Can someone help me make sense of this Minitab output? A few questions I had are: What does the odds ratio statistic mean? what does...

    Started by MaxPowers‎, 12-11-2016 11:16 PM
    • Replies: 3
    • Views: 2,823
    12-13-2016, 01:44 AM Go to last post
  59. Poverty analysis and multiple linear regression

    Hi. I have a dataset and I intend to use multiple linear regression analysis with excel since the dataset isn't that massive in volume, just about...

    Started by auroraborealis‎, 12-12-2016 07:37 AM
    regression analysis
    • Replies: 0
    • Views: 2,119
    12-12-2016, 07:37 AM Go to last post
  60. Urgent: data format in regression analyses

    Hi all, I'm suffering a lit bit with some data I have to analyse (my first time...) and I have many doubts. We manipulated 3 IVs that were shown...

    Started by Phoolan_D‎, 12-10-2016 11:13 PM
    • Replies: 0
    • Views: 1,793
    12-10-2016, 11:13 PM Go to last post

+ Post New Thread
Page 4 of 72 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 54 ... 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