UCSCXenaTools (version 1.4.8)

XenaScan: Scan all rows according to user input by a regular expression

Description

XenaScan() is a function can be used before XenaGenerate().

Usage

XenaScan(
  XenaData = UCSCXenaTools::XenaData,
  pattern = NULL,
  ignore.case = TRUE
)

Value

a data.frame

Arguments

XenaData

a data.frame. Default is data(XenaData). The input of this option can only be data(XenaData) or its subset.

pattern

character string containing a regular expression (or character string for fixed = TRUE) to be matched in the given character vector. Coerced by as.character to a character string if possible. If a character vector of length 2 or more is supplied, the first element is used with a warning. Missing values are allowed except for regexpr, gregexpr and regexec.

ignore.case

if FALSE, the pattern matching is case sensitive and if TRUE, case is ignored during matching.

Examples

x1 <- XenaScan(pattern = "Blood")
x2 <- XenaScan(pattern = "LUNG", ignore.case = FALSE)

x1 %>%
  XenaGenerate()
x2 %>%
  XenaGenerate()