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# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### 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: 2,396
02-26-2012, 07:32 PM
2. ### Asasociation between two series of measurements

I have series of (metric) lab variables measured in a group of patients, with once daily measurements over 20 days, and I would like to investigate...

• Replies: 5
• Views: 1,326
05-23-2013, 06:04 AM
3. ### ask: no aid dummy in panel data using stata

Dear all, I would like to ask the utilization of dummy variable in stata. Well, here is my model y=beta1 lnx1(1,x1)+beta2 nox1+beta3 lnx2...

• Replies: 0
• Views: 1,205
06-17-2013, 11:39 PM
4. ### 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,...

• Replies: 1
• Views: 1,567
07-09-2012, 12:48 PM
5. ### Assessing SSE(sum of squared errors)?

Hello, I can't figure out how to solve this question: Consider these summary statistics for a random sample: Mean of x=20 Mean of y=10...

• Replies: 3
• Views: 2,043
03-24-2013, 03:27 PM
6. ### Assessing the relationship between a continuous variable and categorical variables

Hello! I have a problem for which I have trouble finding a solution. I would like to assess the relationship between a continuous dependent...

• Replies: 2
• Views: 2,938
09-09-2013, 12:20 PM
7. ### Assignment

Please may you help me answer the question, I'm stuck. Thanx!! A property analyst is examining the relationship between the City council’s...

• Replies: 2
• Views: 2,043
BGM
03-08-2016, 04:22 AM
8. ### Assistance on Analysing Likert scale data

Hi all, I'm looking for some advice on data analysis. I can't see the wood for the trees now at this stage. I'm doing a study of the effect of...

• Replies: 0
• Views: 1,750
04-02-2012, 10:00 AM
9. ### Association between categorical and numerical variables using R

Hi, I am new to this forum so please be kind :-). Not sure if this belongs in 'R'. I will describe my problem as good as I can. First of all I am...

• Replies: 5
• Views: 3,082
02-25-2016, 12:06 PM
10. ### 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: 16,702
06-09-2010, 02:04 PM
11. ### assumption of linearity in the logit and transformation of continuous IV

Hello, I am doing logistic regression in spss for my phd research. Testing the assumption of the linearity in the logit I included in the analysis...

• Replies: 0
• Views: 3,786
05-11-2011, 04:28 AM
12. ### Assumption of Linearity not fulfilled - what to do?

Dear All, I want to conduct a moderated hierarchical regression. I have 3 IVs and one moderator. I started to test the underlying assumptions of...

• Replies: 1
• Views: 3,437
09-17-2014, 02:53 PM
13. ### Assumptions for adding indicator variable

Hi, can you please tell me the assumptions that are needed to be satisfied before adding indicator variables? I have searched on internet but I...

• Replies: 2
• Views: 3,150
04-27-2011, 03:07 PM
14. ### Assumptions of Linear Regression and Time Series

Greetings, I am kind of confused while reading topics of Linear Regression and Time Series. There are bunch of assumptions to infer proper...

• Replies: 1
• Views: 9,447
01-18-2012, 12:05 PM
15. ### Assumptions of logistic regression

Anyone know a good authoritative source for the assumptions of logistic regression? They differ obviously from OLS and I have not found a good source...

• Replies: 47
• Views: 81,469
11-29-2011, 07:40 PM
16. ### Assumptions of Quantile Regression

Is equal variance an assumption of quantile regression? Does quantile or median regression have any assumptions? Thanks.

• Replies: 1
• Views: 3,257
12-12-2011, 02:07 AM
17. ### 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...

• Replies: 2
• Views: 1,613
07-12-2016, 05:36 PM
18. ### Assumptions that underlie a regresion model

Are there any statistical tests that i can use to evaluate whether the assumptions for the regression model are being met? The assumptions i want...

• Replies: 4
• Views: 3,129
09-26-2011, 11:52 AM
19. ### Asymmetric confidence bands in nonlinear regression

Hi, I would like to know the formula for asymmetric confidence bands in nonlinear regression. Figure 6 on this webpage is exactly what I'm looking...

• Replies: 0
• Views: 2,554
10-19-2011, 02:43 PM
20. ### ATE - teffects vs xtlogit

Hi. I am measuring the average treatment effect on two groups, using STATA´s teffects regression adjustment estimator. The STATA output reports...

• Replies: 0
• Views: 2,048
07-22-2014, 06:15 AM

I've been tasked with conducting a statistical analysis and have encountered a few potentially significant problems. As its been quite some time...

• Replies: 0
• Views: 2,427
07-07-2009, 08:21 AM
22. ### AUC below 0.5

Hi, I am calculating area under the curve (AUC) values for the individual independent variables of a conditional logistic regression model. I am...

• Replies: 3
• Views: 1,591
06-20-2016, 12:23 PM
23. ### Autocorrelation in nonlinear models

Good morning! I'm running a random effects logit (xtlogit with stata) and cannot find how to test for autocorrelation. Has anyone an idea? Things...

• Replies: 0
• Views: 1,522
09-11-2012, 02:12 AM
24. ### 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...

• Replies: 1
• Views: 1,941
07-24-2012, 07:30 AM
25. ### autocorrelation test?

should i perform an autocorrelation test such as DW test to a cross-sectional data? what actually autocorrelation means for cross-sectional data?...

• Replies: 0
• Views: 1,319
06-23-2012, 02:52 AM
26. ### Autocorrelation/Regression

Post deleted

• Replies: 4
• Views: 3,028
10-29-2011, 09:58 AM
27. ### Automated multivariate nonlinear regression

I have 4,300 lines of data that looks like this in each column: IV1, IV2, IV3, DV1, DV2 It has five columns, three are IVs, two are DVs. How can I...

• Replies: 1
• Views: 2,922
02-26-2011, 04:36 PM
28. ### Automatically finding relationships between 3 or more variables

Hello, Total newbie here - but I'm hoping someone can help me out. I have finished running a multiple regression analysis and have my results....

• Replies: 0
• Views: 792
Tzo
10-02-2015, 07:37 PM
29. ### Autoregression model implementation

Hello forum users! I have a urgent question :/ I need to implement an AR(1) Model into Oxmetrics. Optimize my parameters using the OLS method. ...

• Replies: 0
• Views: 1,574
01-22-2014, 01:20 PM
30. ### Autoregression w/ Point Process?

I would like to generate something akin to an ARX model of a quasi-sinusoidal continuous time series, but my exogenous variable is a binary (0-or-1)...

• Replies: 0
• Views: 1,622
09-27-2011, 09:00 PM
31. ### Average trendline for multiple trendlines plus standard deviations

I have data and linear trendlines for 10 subjects. So I have 10 slopes and 10 y-intercepts. If I wanted to plot the average and +/- st deviation...

• Replies: 0
• Views: 1,601
10-16-2012, 07:01 PM
32. ### Averages vs Totals in Multiple Regression - Simple Question

Say in a multiple regression, I have three independent variables, each of which is the sum of 10 values (for ex: annual scores each year for a...

• Replies: 1
• Views: 3,042
03-12-2010, 08:15 PM
33. ### Averaging LASSO coefficients for repeated random partitioning of data

Is it reasonable to average LASSO coefficients from repeated reshuffling of training/test sets? Suppose I randomly divide my data into testing &...

• Replies: 0
• Views: 1,316
02-14-2014, 05:33 PM
34. ### Averaging x and y before fitting regression model

Hi everyone:wave::wave::wave: I have faced problem in my research when i fit a regression model my question is can i make moving average for...

• Replies: 0
• Views: 1,804
04-14-2015, 02:34 PM
35. ### Avoiding spurious regression in meta-regression using stationary variables like GDP

I have been reading everything I can get my hands on about spurious regression but can't seem to definitively find out what is best in regressing...

• Replies: 0
• Views: 1,660
11-12-2014, 11:10 AM
36. ### Back-calculating correlation coefficient for transformed data

Hi everyone, This is my first post on this board so please excuse if I sound like a n00b. I am doing a meta-analysis on plant physiology studies,...

• Replies: 0
• Views: 2,139
03-20-2012, 01:08 PM
37. ### back-transformation of logit-transformed behavioral data

Hello, I am posting with hopes that someone can assist me in making sure that I am back-transforming my data correctly. I have behavioral data...

• Replies: 12
• Views: 14,157
01-31-2012, 02:15 AM
38. ### Backward Binary logistic regression: effect of the "indicator" value (first vs. last)

I have performed a backward binary logistic regression in SPSS (20). The dependent variable is nominal, and there are 5 explanatroy variables, of...

• Replies: 0
• Views: 1,652
02-25-2014, 06:17 AM
39. ### backward stepwise regression: all variables eliminated

Hello everyone, Initially I perfomed a standard logistic regression (forced enter method in spss) on my data (small sample): n= 85 and 8...

• Replies: 2
• Views: 5,138
08-21-2013, 08:38 AM
40. ### backwards stepwise multiple regression, collinearity. Rejected paper.

Hi helpful people! My research paper was recently rejected and some of the feedback I received was in relation to the statistical tests done/not...

• Replies: 13
• Views: 551
09-06-2017, 05:53 PM
41. ### Baseball Regression Issue (STATA)

Hello!! I am glad a site exists like this where peole can compare information on this growing field. Baseball analytics is huge these days and I...

• Replies: 0
• Views: 2,136
04-28-2013, 07:05 PM
42. ### Baseball stat fans?

I play on online Baseball simulator that uses numerous ratings and processes them through an engine which spits out a box score and results. I...

• Replies: 7
• Views: 1,202
01-15-2013, 04:46 PM
43. ### basic econometrics

explain the differences for the following paired terms with appropriate examples. (1)log-lin model and lin-log model (2)cross sectional data and...

• Replies: 2
• Views: 2,538
03-18-2013, 11:11 AM
44. ### Basic Estimation; Should I use future data?

Hi everyone, I'm new on the forum but had a question to ask that's related to the work I currently do. I'm wondering if we should include...

• Replies: 4
• Views: 1,336
10-23-2016, 10:24 PM
45. ### Basic Help with Multiple Regression Results

Can you help? I'm trying to run a basic multiple regression in SPSS 18. I have a series of measurements made in cm, and I want to find the...

• Replies: 0
• Views: 2,069
10-18-2010, 12:30 PM
46. ### Basic information on binary logistic regression

Can anyone point me in the direction of a webpage that provides an overview of the binary logistic regression technique and ideally instructions on...

• Replies: 1
• Views: 3,043
07-19-2011, 08:27 AM
47. ### Basic multiple regression question

Sorry, should've probably specified linear regression. I was given a data and ran a proc corr on it in sas. As you can see, x1 through x5...

• Replies: 7
• Views: 2,303
11-25-2011, 05:22 AM
48. ### Basic Regression Question (Total Sum of Squares)

What is the total sum of squares (regression) when Y is constant? Is it zero, thus explained fully by your model because it is a straight line? But...

• Replies: 0
• Views: 1,140
04-24-2013, 10:46 PM
49. ### Basic regressionquestion

Hi, I am currently learning ML algorithms and implementing in R. I have a some basic questions. 1.)I know that linear regression an statistical...

• Replies: 2
• Views: 1,359
03-28-2016, 10:59 AM
50. ### Bayes Rule to summarize time series cumulative Logistic Regression output

Hello, I have been struggling to find a definitive answer to what should be a very simple question. I have a logistic regression model that...

• Replies: 0
• Views: 959
10-23-2012, 10:49 AM
51. ### Bayesian approach for logistic regression models? (the case of low-count cells)

so... now that i'm a PhD student my advisor wants me to help out people with their projects. as fate may have it, the same problem has arisen both in...

• Replies: 15
• Views: 5,482
12-10-2013, 01:54 PM
52. ### Bayesian GLM with missing data

Just while I'm on a roll with simple questions... I'm using MCMCregress {MCMCpack} to do a Bayesian regression in R. My dataset has a good chunk...

• Replies: 3
• Views: 1,988
07-31-2014, 09:23 PM
53. ### Bayesian multiple regression issue in R

I am attempting to generate a multiple regression model using JAGS on R and my results deviate substantially from MCMCregress and lm. I ran out of...

• Replies: 0
• Views: 762
02-03-2016, 05:09 PM

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