Description Usage Arguments Value Author(s) Examples
statistically compare the relative expression rate of a given set of genes between two taxa (or species)
1 2 |
expTable |
an exprssion level table: column corresponds to median expression value of all biological samples within one taxa_subtaxa group; row corresponds to othologous genes |
x |
taxa name |
y |
taxa name |
outgroup |
outgroup name |
Pi |
value of parameter Pi which measures the variance of optima among genes under sOU model. Pi = 0 by default. |
alternative |
character string specifying the alternative hypothesis, must be one of "two.sided" (default), "greater" or "less". |
A list containing the following components:
Z_score the z-statistic
alternative records the value of the input argument alternative: "greater", "less" or "two.sided".
p.value the p-value for the test
Jingwen Yang
1 2 3 4 5 | data(tetraExp)
exp_table <-exptabTE(tetraExp, taxa = 'all', subtaxa = 'Brain',rowindex = 1:100)
ztest <- RelaRate.test(expTable = exp_table, x = 'human', y = 'chimpanzee',
outgroup = 'macaque', alternative = 'greater')
ztest
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