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LactCurveModels  

Lactation Curve Model Fitting for Dairy Animals
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("LactCurveModels", "0.1.5")



Attach the package and use:
library("LactCurveModels")
Maintained by
Raja TV
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-03-29
Latest Update: 2026-03-29
Description:
Fits up to 20 nonlinear lactation curve models to dairy animal milk yield data. Models fitted include exponential, polynomial, mixed logarithmic, inverse polynomial, and sigmoid families published between 1923 and 2000. Supports batch processing of multiple animals from a single CSV file, with flexible selection of animals and models. Produces per-animal parameter tables, goodness-of-fit metrics including R-squared (R2), Root Mean Square Error (RMSE), Akaike Information Criterion (AIC), Bayesian Information Criterion (BIC), and a serial autocorrelation statistic, 15 diagnostic figures, and combined cross-animal comparison outputs. References: <doi:10.1085/jgp.5.4.441>, <doi:10.1038/216164a0>, <doi:10.1016/0301-6226(87)90003-0>, <doi:10.4141/cjas87-067>, <doi:10.3168/jds.S0022-0302(00)75136-8>.
How to cite:
Raja TV (2026). LactCurveModels: Lactation Curve Model Fitting for Dairy Animals. R package version 0.1.5, https://cran.r-project.org/web/packages/LactCurveModels. Accessed 27 Oct. 2026.
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