Description Usage Arguments Value Examples
ZIQML.fit estimates the group effect on gene expression using zero-inflated exponential quasi likelihood.
1 | ZIQML.fit(edata, design.matrix, link = "log")
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edata |
Normalized counts matrix with genes in rows and samples in columns. |
design.matrix |
Design matrix for groups and covariates, generated by model.matrix(). |
link |
Link function for the generalized linear model and likelihood function,either 'log' or 'identity'. The default is 'log'. |
Estimates |
Estimated group effect on gene expression by zero-inflated exponential quasi maximum likelihood (ZIQML) estimator. |
logLikelihood |
The value of zero-inflated quasi likelihood. |
edata |
lncRNA counts or expression matrix. |
design.matrix |
The design matrix of groups and covariates. |
link |
The specified link function. |
1 2 3 4 5 6 7 8 9 10 | data('hnsc.edata','design')
# 'hnsc.edata' contains FPKM of 1000 lncRNA genes and 80 samples
# 'design' is the design matrix for tissue and batch.
# For the first 100 genes
# Fit GLM by ZIQML with logarithmic link function
fit.log=ZIQML.fit(edata=hnsc.edata[1:100,],design.matrix=design,link='log')
# Fit GLM by ZIQML with identity link function
fit.identity=ZIQML.fit(edata=hnsc.edata[1:100,],design.matrix=design,link='identity')
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