Method computeMarginalData from Class "StackedData"

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Description

This function is a method of the StackedData class which computes the marginal data which can be stored in the marginalData slot of a StackedData object. This method relies on the marker data slot being assigned in the StackedData object.

Usage

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   computeMarginalData(object, byVarNames, idVarName, percentVarName, groupVarName)    

Arguments

object

an object of the StackedData class

byVarNames

character; the names of the variables specifying the subsets of interest in the data

idVarName

character; the name of the id variable in the data

percentVarName

character; the name of the variable holding the percentages to be summed when computing the pfd summary data

groupVarName

character; the name of the variable specifying the group assignment in the data

Value

data frame of marginal data

Methods

signature(object = "StackedData", byVarNames = "character", idVarName = "character", percentVarName = "character", groupVarName = "character")

Compute the marginal data.

Author(s)

N. Hawkins, Fred Hutchinson Cancer Research Center, Seattle, WA

See Also

StackedData, marginalData

Examples

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# Load stacked data
data(adultsNeonates)
# Create a stacked data object
stackedDataObject = new("StackedData", stackedData=adultsNeonates)

# Compute the marker data and set the marker data slot
markerNames = c("TNFa","IL6","IL12","IFNa")
markers = computeMarkers(markerNames,includeAllNegativeRow=TRUE)
markers(stackedDataObject) = markers

# Compute the marginal data and set the marginal data slot
byVarNames = c("stim", "concGroup", "cell")
marginalData = computeMarginalData(stackedDataObject, byVarNames, "id", "percentAll", "group")
marginalData(stackedDataObject) = marginalData
  

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