Description Usage Arguments Details Value Author(s) References
Estimation of the model parameters for the SOD2 dataset provided in this package.
1 | analyze.sod2(model = "LN-LN", TY = 2, use.constraints = F)
|
model |
model for which one wishes to estimate the parameters: "LN-LN", "rLN-LN" or "EXP-LN" |
TY |
number of types of cells that is assumed in the stochastic model |
use.constraints |
if TRUE, constraints on the individual population densities are applied; see |
The sod2
dataset contains real 10-cell samplings from the detoxifying enzyme, SOD2. This function estimates the parameters of the stochastic profiling models for this data. At the end, it graphically represents a histogram of the SOD2 data together with the estimated probability density function.
A list as returned by stochprof.loop
, i.e. the following components:
mle |
maximum likelihood estimate |
neg-loglikeli |
value of the negative log-likelihood function at maximum likelihood estimate |
ci |
approximate marginal maximum likelihood confidence intervals for the maximum likelihood estimate |
pargrid |
matrix containing parameter combinations and according values of the target function |
bic |
Bayesian information criterion value |
adj.bic |
adjusted Bayesian information criterion value which takes into account the numbers of parameters that were estimated during the preanalysis of a gene cluster (not applicable here, hence NULL) |
pen |
penalization for densities not fulfilling required constraints. If |
Lisa Amrhein, Christiane Fuchs
Maintainer: Lisa Amrhein <amrheinlisa@gmail.com>
"Parameterizing cell-to-cell regulatory heterogeneities via stochastic transcriptional profiles" by Sameer S Bajikar*, Christiane Fuchs*, Andreas Roller, Fabian J Theis^ and Kevin A Janes^: PNAS 2014, 111(5), E626-635 (* joint first authors, ^ joint last authors) <doi:10.1073/pnas.1311647111>
"Pheno-seq - linking visual features and gene expression in 3D cell culture systems" by Stephan M. Tirier, Jeongbin Park, Friedrich Preusser, Lisa Amrhein, Zuguang Gu, Simon Steiger, Jan-Philipp Mallm, Teresa Krieger, Marcel Waschow, Bjoern Eismann, Marta Gut, Ivo G. Gut, Karsten Rippe, Matthias Schlesner, Fabian Theis, Christiane Fuchs, Claudia R. Ball, Hanno Glimm, Roland Eils & Christian Conrad: Sci Rep 9, 12367 (2019) <doi:10.1038/s41598-019-48771-4>
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