Holger Steinmetz

10 Questions 948 Answers 0 Followers

Questions related from Holger Steinmetz

Do correlations within paneldata sets differ from pooled correlations?

Dear colleagues, I already have some thoughts on this but I ask to get some feedback about what you think. Together with colleagues, I am conducting a meta-analysis that aggregates simple...

07 April 2023 308 0 View

How to treat outliers in count predictors in machine learning?

Hi there, I am planning to run some classification models and found that several of my 53 predictors are count variables with a 5-6 extreme outlying values (out of N=1,500) My questions 1) I...

29 November 2022 1,886 4 View

Can I combine a LASSO and decision tree model?

Hello colleagues, I am planning to run a decision tree model in order to identify profiles that are associated with the binary success variable in a hackathlon. Unfortunately, my colleagues who...

29 September 2022 1,682 6 View

Latent profile analysis with R and non-Gaussian distributions?

Dear colleagues, yesterday I luckily discovered that tidyLPA allows easily to conduct a latent profile analysis. However, I saw tht the package does only work with Gaussian/normally distributed...

02 February 2022 505 3 View

How to approach a longitudinal model with IV and DV on different levels?

Dear colleagues, I became member of a project that wants to analyse the effect the COVID infection rates on family mood. The longitudinal design will be around 25 weekly measures. The problem is...

27 January 2021 4,924 7 View

How to measure two-dimensional political orientation?

Hi there, I am no political scientist so please bear with me :) I would like to measure political orientation but the rough left-right-scales IMHO are not so informative. Online there is this...

13 October 2020 813 3 View

How to test the effect of an event on the nonlinear time series with GAM's?

Hi folks, my doctoral student investigates dynamic changes of the spread of conspiracy beliefs towards COVID (operationalized by the number of keywords in the series of tweeds on Twitter). Our...

06 October 2020 8,768 3 View

Any referential papers on applying GAM(M)s on spacial data?

Hi folks, I have recently started to dig into generalized additive models to analyze non-linear relationships. As the first application, I focus on modeling intensive longitudinal data. However,...

28 August 2020 2,548 3 View

How to setup a multiple imputation in R's tidyverse for a GAMM?

Hi folks, I intend to run a generalized additive mixed-effects model in R and my sample comprises 31 startup firms surveyed over 12 weeks during the Covid19 crisis (one survey each week). Around...

25 June 2020 2,331 1 View

What are the options when survival bias in entrepreneurial performance studies is likely?

Hi folks, When the goal of a study is to investigate the effect of some variable(s) "X" on performance of an entrepreneur /small business, it is likely to underestimate the effect since (some of)...

19 March 2015 5,340 5 View