clean_profile: Preprocess a co-elution profile

Description Usage Arguments Value Examples

View source: R/clean_profile.R

Description

Clean a co-elution/co-fractionation profile by (1) imputing single missing values with the average of neighboring values, (2) replacing missing values with random, near-zero noise, and (3) smoothing with a moving average filter.

Usage

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clean_profile(
  chromatogram,
  impute_NA = TRUE,
  smooth = TRUE,
  smooth_width = 4,
  noise_floor = 0.001
)

Arguments

chromatogram

a numeric vector corresponding to the chromatogram trace

impute_NA

if true, impute single missing values with the average of neighboring values

smooth

if true, smooth the chromatogram with a moving average filter

smooth_width

width of the moving average filter, in fractions

noise_floor

mean value of the near-zero noise to add

Value

a cleaned profile

Examples

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data(scott)
chrom <- scott[16, ]
cleaned <- clean_profile(chrom)

fosterlab/PrInCE documentation built on Dec. 13, 2020, 5:50 a.m.