no applicable method for 'int_conformal_quantile' applied to an object of class "lm"
The following required columns are missing: 'predictor_01'.
The following required columns are missing: 'predictor_01'.
`...` must be empty.
x Problematic argument:
* level = 0.9
Code
lm_int
Output
Split Conformal inference via Quantile Regression
preprocessor: formula
model: linear_reg (engine = lm)
calibration set size: 100
confidence level: 0.9
Use `predict(object, new_data)` to compute prediction intervals
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