The objective is to demonstrate examples on data analyses of diurnal variation of enteric gas emission. Mixed models with repeated measures and cosine function of time (daily rhythm | biorhythm) are used to evaluate the effects of treatments on enteric CH4 emission.
Please download R codes (2024NANP_CircadianRhythm_v1 and 2024NANP_RepeatedMeausres_v1) and dataset (2024NANP_EntericGasData.xlsx).
Further questions should be directed to Leoni F. Martins at leonimartins@psu.edu.