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Cubic spline smoothing helper function

Source: R/correct-drift-batch.R
fun_cspline.Rd

Function for cubic spline-based smoothing with optional cross-validation, for use by fun_correct_drift

Usage

fun_cspline(tbl, ref_qc_types, log_transform_internal, ...)

Arguments

tbl

Table (tibble or data.frame) containing the fields qc_type, x (run order number), and y (variable)

ref_qc_types

QC types used for the smoothing (fit) by cubic spline

log_transform_internal

Apply log transformation internally for smoothing if TRUE (default). This does not affect the final data, which remains untransformed.

...

Additional arguments forwarded to smooth.spline

Value

List with a data.frame containing original x and the smoothed y values, and a boolean value indicating whether the fit failed or not.