read.std {sievetest} | R Documentation |
Data input from file
Description
Reads std
data from CSV file and creates std
object.
Usage
read.std(file, sep = "\t", dec = ".")
Arguments
file |
file path. |
sep |
field separator used in the file, defaults to "\t". |
dec |
the character used in the file for decimal points, defaults to ".". |
Details
The file
format allows to have more test data within one file.
# Meta data | --- | --- | --- |
D1 names | D1 values | DN names | DN values |
# Data | --- | --- | --- |
aperture | retained | aperture | retained |
A1 | R1 values | An | Rn values |
Section D1 or DN is 5 rows of meta data.
Commented lines must not be removed.
Multi row columns A and R corresponds to a
and r
arguments of
std
function, D corresponds to desc
.
The file must have at least two columns, then it is just for 1 sample data, or it can have Nx2 columns for N samples.
Data section allows for different number of A1 and AN rows.
Value
Returns a std
object.
See Also
Examples
# provided example file
fi <- system.file("lignite.csv",package="sievetest")
# inspect the file
file.show(fi)
# read the file
# there will be warning, because the file is prepared the way
# to show them, they are OK
a <- read.std(fi)
plot(a)
[Package sievetest version 1.2.3 Index]