IVExtractResult: IV feature extraction

Description Usage Arguments Value Examples

View source: R/IVExtractResult.R

Description

This function carries out IV feature extraction, by calculating steps then extract features for each step.

Usage

1
2
IVExtractResult(dat, k = 7, crt = 0.2, num = 75, crtvalb = 0.3,
  plot.option = F)

Arguments

dat

A dataframe of IV curve. The variable names should be "V" for voltage, and "I" for current. And rank with increasing voltage.

k

The number of equally-spaced values to supply as starting values for the breakpoints. The default is 7.

crt

A value to set for how large of regression coefficient change rate we use as not changing much. This is due to the value of IV curve, suggestion is to test this function with several IV curves for your data and find the proper value. The default is 0.2.

num

A value of number of data points. The default is 75.

crtvalb

A value to set the change of I(current) we want to use as changing very much (to detect the end of IV curve). Suggestion is to test this function with several IV curves for your data and find the proper value. The default is 0.3

plot.option

True/False, it plots the IV curve. The default is false.

Value

A list of the following items:

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
#this IV curve is of step=1
#load the data provided in the package
data(IV_step1)
IV1 <- data.frame(IV_step1)
result <- IVExtractResult(IV1,plot.option=FALSE)
#use the IV curve with step=2
data(IV_step2)
IV2 <- data.frame(IV_step2)
#with plot.option=TRUE, IV curve and steps are ploted
result2 <- IVExtractResult(IV2,plot.option=FALSE)
#use the IV curve with step=3
data(IV_step3)
IV3 <- data.frame(IV_step3)
IVExtractResult(IV3,plot.option=FALSE)

ddiv documentation built on May 2, 2019, 8:24 a.m.