List unique attributes

Retrieve the unique list of attributes observed in an ic dataset.

list_vaccines(X)

# S3 method for ic.df
list_vaccines(X)

# S3 method for icfit
list_vaccines(X)

list_countries(X)

# S3 method for ic.df
list_countries(X)

# S3 method for icfit
list_countries(X)

list_times(X)

# S3 method for ic.df
list_times(X)

# S3 method for icfit
list_times(X)

list_sources(X)

# S3 method for ic.df
list_sources(X)

Arguments

X	Object of class ic.df.