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tvem  

Time-Varying Effect Models
View on CRAN: Click here


Download and install tvem package within the R console
Install from CRAN:
install.packages("tvem")

Install from Github:
library("remotes")
install_github("cran/tvem")

Install by package version:
library("remotes")
install_version("tvem", "1.4.1")



Attach the package and use:
library("tvem")
Maintained by
John J. Dziak
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2020-11-25
Latest Update: 2023-08-13
Description:
Fits time-varying effect models (TVEM). These are a kind of application of varying-coefficient models in the context of longitudinal data, allowing the strength of linear, logistic, or Poisson regression relationships to change over time.These models are described further in Tan, Shiyko, Li, Li & Dierker (2012) <doi:10.1037/a0025814>.We thank Kaylee Litson, Patricia Berglund, Yajnaseni Chakraborti, and Hanjoo Kim for their valuable help with testing the package and the documentation. The development of this package was part of a research project supported by National Institutes of Health grants P50 DA039838 from the National Institute of Drug Abuse and 1R01 CA229542-01 from the National Cancer Institute and the NIH Office of Behavioral and Social Science Research. Content is solely the responsibility of the authors and does not necessarily represent the official views of the funding institutions mentioned above. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
How to cite:
John J. Dziak (2020). tvem: Time-Varying Effect Models. R package version 1.4.1, https://cran.r-project.org/web/packages/tvem. Accessed 26 Aug. 2026.
Previous versions and publish date:
(2026-07-09 07:15), 1.0-0 (2020-11-25 15:10), 1.2-0 (2021-02-20 00:00), 1.3.1 (2021-10-14 23:20), 1.3 (2021-08-05 21:30)
Other packages that cited tvem R package
View tvem citation profile
Other R packages that tvem depends, imports, suggests or enhances
Complete documentation for tvem
Functions, R codes and Examples using the tvem R package
Some associated functions: plot.tvem . print.tvem . select_tvem . simulate_cross_sectional_tvem_example . simulate_tvem_example . tvem . 
Some associated R codes: plot_tvem.R . print_tvem.R . select_tvem.R . simulate_cross_sectional_tvem_example.R . simulate_tvem_example.R .  Full tvem package functions and examples
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