Description Usage Arguments Details Value Examples
Determines the imputation weighting threshold.
1 2 | ## S4 method for signature 'scData'
wThreshold(object, cutoff = 0.5, plotTornado = FALSE)
|
object |
an scData class object. |
cutoff |
parameter in the range (0,1), used in the calculation of imputation weighting threshold. Default is 0.5. |
plotTornado |
Boolean; if |
This method finds a function P(u) that maps the average expression level of a gene to the
probability of a dropout occurring. It does this by fitting a negative logistic function
to the empirical dropouts vs average expression data. The imputation weighting threshold
is calculated as the value of u at which P(u) = cutoff
.
an updated scData class object with the following attribute updated
wThreshold |
imputation weighting threshold. |
pDropoutCoefA |
the steepness parameter of the negative logistic function that fits the data. |
pDropoutCoefB |
the midpoint parameter of the negative logistic function that fits the data. |
1 |
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