grep_subset: Subset a data frame using regex matching on the column name...

In systeminsights/mtconnectR: Read Data from Delimited 'MTConnect' Data Files and Perform some Analysis

Description

Subset a data frame using regex matching on the column name and also on the value

Usage

grep_subset(dataFrame, colGrep, subGrep, echo = T, invert = F)

Arguments

dataFrame	is a data.frame
colGrep	is a regex pattern for finding the columns
subGrep	is a regex pattern to subset the values in the matched column
echo	If TRUE, messages are printed on the console
invert	If TRUE, returns everything other than the rows and columns matched using colGrep and subGrep

Examples

 
df = data.frame(type = c("sample","event","condition","sample"),value = c("value1","value2",
                 "value3","value4"))
filtered_df = grep_subset(df,"type","sample")                

systeminsights/mtconnectR documentation built on July 3, 2019, 1:37 p.m.