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Reshape peaktable

Source: R/get_peaktable.R
reshape_peaktable.Rd

Reshapes peak table from wide to long format

Usage

reshape_peaktable(x, peaks, metadata, fixed_levels = TRUE)

Arguments

x

A peak_table object.

peaks

A character vector specifying the peaks to include. If the character vector is named, the names of the vector elements will be used in place of the original peak names.

metadata

A character vector specifying the metadata fields to include.

fixed_levels

Logical. Whether to fix factor levels of features in the order provided. Defaults to TRUE.

Value

A data.frame containing the information for the specified peaks in long format.

See also

Other utility functions: combine_peaks(), get_lambdas(), get_times(), merge_peaks(), reshape_chroms()

Author

Ethan Bass

Examples

data(pk_tab)
reshape_peaktable(pk_tab, peaks = c("V10", "V15"))
#>   peak sample lambda    rt      area
#> 1  V10    119    210 12.47  2.637016
#> 2  V10    121    210 12.47  1.042586
#> 3  V10    122    210 12.47  1.417466
#> 4  V10    458    210 12.47  4.157266
#> 5  V15    119    210 13.76 36.585326
#> 6  V15    121    210 13.76 20.566841
#> 7  V15    122    210 13.76 31.606156
#> 8  V15    458    210 13.76 42.991983