Description Usage Arguments Value Slots
S4 class to represent a nonlinear mixed effects model based on isotopic distribution
Fit a nonlinear mixed effects model based on isotopic distribution
1 | IsoAPQModel(model_formula, model_data, ...)
|
model_formula |
formula that specifies the model. Special notation '..' denotes all protein variables |
model_data |
input data - data.table with columns: intensity, iso_prob or isoDistr, sequence, rep, precursor_scan, charge_in_scan and protein indicator columns. |
additional |
parameters to the model fitting function (currently stats::optim) |
object of class IsoAPQModel
model_design
object of class IsoAPQModelDesign that describes experimental design reflected in the model
fitted_model_raw
usually list (output of stats::optim), potentially could be a different object with raw outputs of function used to fit a model
coef
numeric vector of model coefficient in the following order: standard deviation of the error, parameters that describe random effects, protein abundances, fixed effects
sigma
standard deviation of the random error
random_effects_var
numeric vector of estimated variances of random effects
protein_abundance
numeric vector of estimated protein abundances
fixed_effects
numeric vector of estimated fixed effects
fitted
numeric vector of fitted values
residuals
numeric vector of residuals
hessian
hessian of the negative log-likelihood
loglik
log-likelihood calculated at the solution
message
message indicating if the model converged
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