Focus

Selects the variables or factor levels of the specified frame.

Usage

# Default S3 method
focus(...)

# S3 method for class 'data.frame'
focus(frame, ...)

# S3 method for class 'formula'
focus(formula, ...)

# S3 method for class 'wsm'
focus(moments, ...)

# S3 method for class 'bsm'
focus(moments, ...)

# S3 method for class 'cor'
focus(corrs, ...)

Arguments

frame

a set of (non-empty) numeric vectors of data values

formula

a formula of the form lhs ~ rhs where lhs is a numeric variable giving the data values and rhs a factor giving the corresponding groups

moments

a matrix/frame of descriptive/summary statistics

corrs

a matrix/frame of correlations

...

a set of variables or factor levels to be analyzed

Value

If the provided element is a data frame or a frame of statistics, the function will return a subset frame of the specified variables/levels. If the provided element is a formula, the function will return an updated formula that specifies only the specified factor levels.