character. Either (1) a character string giving the unique alphanumeric
identifier for the project, or (2) a list containing the element projectId with this
identifier.
feature1
character. The name of the first feature of interest.
feature2
character. The name of the second feature of interest.
Value
A list with the following info:
features list. The names of `feature1` and `feature2`.
types list. The type of `feature1` and `feature2`. Will be "C" for categorical and
"N" for numeric.
values data.frame. The values of the feature associations and the relative frequency
of the datapoints in the sample.