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drcSeedGerm

Overview

This package contains several service functions to be used in support to the package drc, to analyse datasets obtained from seed germination assays

Installation

# You can install drcSeedGerm from GitHub
# install.packages("devtools")
# devtools::install_github("onofriAndreaPG/drcSeedGerm")

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Version

Install

install.packages('drcSeedGerm')

Monthly Downloads

171

Version

1.0.1

License

GPL (>= 2)

Maintainer

Andrea Onofri

Last Published

May 16th, 2023

Functions in drcSeedGerm (1.0.1)

makeDrm

Reshape a seed germination datasets for time-to-event analyses (deprecated)
jackGroupSE

Delete-a-Petri-dish jackknife
rape2G

Germination data from an assay of rapeseed at decreasing water potential levels
excalibur

Relationship between germination rate and water potential in oilseed rape (var. Excalibur)
hordeum

Germination of Hordeum spontaneum at different temperatures and water potentials
festuca

Relationship between germination rate and water potential in Festuca arundinacea L.
makeDrm2

Reshape a seed germination datasets for time-to-event model fitting.
HTTnorm.M

Hydro-thermal-time model with normal distribution of base water potential (Bradford, 2002)
phalaris

A series of germination assays with Phalaris minor
rape

Germination data from an assay of rapeseed at decreasing water potential levels
GR_Psi_models

Hydro-time models based on the germination rate
HTE1

Hydrotime model with log-logistic distribution of germination time (Onofri et al., 2018)
HTLL

Hydrotime model with log-logistic distribution of base water potential (Mesgaran et al., 2013)
HTG

Hydrotime model with Gumbel distribution of base water potential (Mesgaran et al., 2013)
HTE2

Hydrotime model with log-logistic distribution of germination time (Onofri et al., 2018)
HTE3

Hydrotime model with log-logistic distribution of germination time (Onofri et al., 2018)
HTL

Hydrotime model with logistic distribution of base water potential (Mesgaran et al., 2013)
GR_T_models

Thermal-time models based on the germination rate
GR_TPsi_models

Hydro-Thermal-time models based on the germination rate
HTTEM

Hydro-thermal-time model with log-logistic distribution of germination time (Onofri et al., 2018)
Pmax_models

Effect of environmental water potential or temperature on the germination capability of a seed lot
HTW2

Hydrotime model with Weibull Type II distribution of base water potential (Mesgaran et al., 2013)
Thermal-Time_models

Thermal-time models with log-logistic distribution of germination time (Onofri et al., 2018)
HTex

Hydrotime model with Type II Extreme Value distribution of base water potential (Mesgaran et al., 2013)
barley

A series of germination assays with barley
alfalfaSG

Field-book for a germination assay with alfalfa
HTW1

Hydrotime model with Weibull Type I distribution of base water potential (Mesgaran et al., 2013)
HTTLL

Hydro-thermal-time model with log-logistic distribution of base water potential (Mesgaran et al., 2017)
HTnorm

Hydrotime model with normal distribution of base water potential (Bradford, 2002)