|Authors:||Oualid Bada, Dominik Liebl|
|Title:||phtt: Panel Data Analysis with Heterogeneous Time Trends in R|
|Abstract:||The R package phtt provides estimation procedures for panel data with large dimensions n, T, and general forms of unobservable heterogeneous effects. Particularly, the estimation procedures are those of Bai (2009) and Kneip, Sickles, and Song (2012), which complement one another very well: both models assume the unobservable heterogeneous effects to have a factor structure. Kneip et al. (2012) considers the case in which the time-varying common factors have relatively smooth patterns including strongly positively auto-correlated stationary as well as non-stationary factors, whereas the method of Bai (2009) focuses on stochastic bounded factors such as ARMA processes. Additionally, the phtt package provides a wide range of dimensionality criteria in order to estimate the number of the unobserved factors simultaneously with the remaining model parameters.|
Page views:: 4322. Submitted: 2012-07-05. Published: 2014-09-12.
phtt: Panel Data Analysis with Heterogeneous Time Trends in R
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