numeric, minimum threshold to constitute success,
scrutinising the log of the tumour size ratio comparing time 1 to baseline.
Defaults to negative infinity.
y1_upper
numeric, maximum threshold to constitute success,
scrutinising the log of the tumour size ratio comparing time 1 to baseline.
Defaults to positive infinity.
y2_lower
numeric, minimum threshold to constitute success,
scrutinising the log of the tumour size ratio comparing time 2 to baseline.
y2_upper
numeric, maximum threshold to constitute success,
scrutinising the log of the tumour size ratio comparing time 2 to baseline.
Defaults to log(0.7).