getPooledVar {dsBaseClient}

R Documentation

Gets a pooled variance

Description

This is an internal function.

Usage

getPooledVar(dtsources, x)

Arguments

dtsources	a list of DSConnection-class objects obtained after login. If the <datasources> the default set of connections will be used: see datashield.connections_default.
x	a character, the name of a numeric vector

Details

This function is called to avoid calling the client function 'ds.var' which may stop the process due to some checks not required when computing a mean inside a function.

Value

a pooled variance

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