Seed Germination Indices and Curve Fitting


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Documentation for package ‘germinationmetrics’ version 0.1.8

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CUGerm Coefficient of uniformity of germination
CVG Germination rate
CVGermTime Germination time
EmergenceRateIndex Emergence Rate Index or Germination Rate Index
FirstGermTime Time for first, last and peak germination
FourPHF Four paramter hill function
FourPHFfit Fit four-parameter hill function
FourPHFfit.bulk Fit four-parameter hill function for multiple samples
FourPHF_fixa Four paramter hill function
FourPHF_fixa_fixy0 Four paramter hill function
FourPHF_fixy0 Four paramter hill function
gcdata Germination count data
germination.indices Germination Indices
GermIndex Germination Index
GermPercent Germination percentage
GermRateGeorge Timson's index
GermRateRecip Germination rate
GermSpeed Speed of germination
GermSpeedAccumulated Speed of germination
GermSpeedCorrected Speed of germination
GermSynchrony Synchrony and uncertainty of germination
GermUncertainty Synchrony and uncertainty of germination
GermValue Peak value and germination value
LastGermTime Time for first, last and peak germination
MeanGermNumber Mean germination percentage and number of seeds per time interval
MeanGermPercent Mean germination percentage and number of seeds per time interval
MeanGermRate Germination rate
MeanGermTime Germination time
PeakGermPercent Germination percentage
PeakGermTime Time for first, last and peak germination
PeakValue Peak value and germination value
plot.FourPHFfit Plot the four-parameter hill function fitted cumulative germination curve from a 'FourPHFfit' object
plot.FourPHFfit.bulk Plot the multiple four-parameter hill function fitted cumulative germination curves from a 'FourPHFfit.bulk' object
RateofGerm Four paramter hill function
SEGermRate Germination rate
SEGermTime Germination time
t50 Median germination time
TimeSpreadGerm Time for first, last and peak germination
TimsonsIndex Timson's index
VarGermRate Germination rate
VarGermTime Germination time
WeightGermPercent Weighted germination percentage