Package 'Rgof'

Title: 1d Goodness of Fit Tests
Description: Routines that allow the user to run a large number of goodness-of-fit tests. It allows for data to be continuous or discrete. It includes routines to estimate the power of the tests and display them as a power graph.
Authors: Wolfgang Rolke [aut, cre]
Maintainer: Wolfgang Rolke <[email protected]>
License: GPL (>= 2)
Version: 2.1.1
Built: 2024-10-22 09:22:07 UTC
Source: CRAN

Help Index


This function checks whether the inputs have the correct format

Description

This function checks whether the inputs have the correct format

Usage

check.functions(pnull, rnull, phat = function(x) -99, vals, x)

Arguments

pnull

cdf under the null hypothesis

rnull

routine to generate data under the null hypothesis

phat

=function(x) -99, function to estimate parameters from the data, or -99

vals

vector of discrete values

x

data


This function finds the power of various chi-square tests for continuous data

Description

This function finds the power of various chi-square tests for continuous data

Usage

chi_power_cont(
  pnull,
  ralt,
  param_alt,
  qnull = NA,
  phat = function(x) -99,
  w = function(x) -99,
  alpha = 0.05,
  Range = c(-99999, 99999),
  B = 1000,
  nbins = c(50, 10),
  rate = 0,
  minexpcount = 5,
  ChiUsePhat = TRUE
)

Arguments

pnull

function to find cdf under null hypothesis

ralt

function to generate data under alternative hypothesis

param_alt

vector of parameter values for distribution under alternative hypothesis

qnull

=NA function to find quantiles under null hypothesis, if available

phat

=function(x) -99, function to estimate parameters

w

=function(x) -99, optional weight function

alpha

=0.05, the level of the hypothesis test

Range

=c(-99999, 99999) limits of possible observations, if any

B

=1000 number of simulation runs to find power

nbins

=c(50,10), number of bins for chi square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

minexpcount

=5 minimal expected bin count required

ChiUsePhat

=TRUE, if TRUE param is estimated parameters and no minimization is used

Value

A numeric matrix of power values.


This function finds the power of various chi-square tests for continuous data

Description

This function finds the power of various chi-square tests for continuous data

Usage

chi_power_disc(
  pnull,
  ralt,
  param_alt,
  phat = function(x) -99,
  alpha = 0.05,
  B = 1000,
  nbins = c(50, 10),
  rate = 0,
  minexpcount = 5,
  ChiUsePhat = TRUE
)

Arguments

pnull

function to find cdf under null hypothesis

ralt

function to generate data under alternative hypothesis

param_alt

vector of parameter values for distribution under alternative hypothesis

phat

=function(x) -99, routine to estimate parameters

alpha

=0.05, the level of the hypothesis test

B

=1000 number of simulation runs to find power

nbins

=c(50,10), number of bins for chi square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, should chi square use minimum chi square method?

Value

A numeric matrix of power values.


This function performs a number of chi-square gof tests for continuous data

Description

This function performs a number of chi-square gof tests for continuous data

Usage

chi_test_cont(
  x,
  pnull,
  w = function(x) -99,
  phat = function(x) -99,
  qnull = NA,
  nbins = c(50, 10),
  rate = 0,
  Range = c(-99999, 99999),
  minexpcount = 5,
  ChiUsePhat = TRUE,
  allbins
)

Arguments

x

data set

pnull

cdf under the null hypothesis

w

function to find weights of observations, returns -99 if data is unweighted

phat

=function(x) -99, estimated parameters, or starting values of multi-D minimum chi square minimization, or -99 if no estimation is done

qnull

=NA quantile function, if available

nbins

=c(50, 10) number of bins for chi-square tests

rate

=0, rate of Poisson if sample size is random

Range

=c(-99999, 99999) limits of possible observations, if any

minexpcount

=5 minimal expected bin count required

ChiUsePhat

=TRUE, if TRUE param is estimated parameters and no minimization is used

allbins

set of bins to use

Value

A numeric matrix of test statistics, degrees of freedom and p.values


This function performs a number of chi-square gof tests for continuous data

Description

This function performs a number of chi-square gof tests for continuous data

Usage

chi_test_disc(
  x,
  pnull,
  phat = function(x) -99,
  nbins = c(50, 10),
  rate = 0,
  minexpcount = 5,
  ChiUsePhat = TRUE,
  allbins
)

Arguments

x

data set

pnull

cdf under the null hypothesis

phat

=function(x) -99, function to estimate parameters, or starting values of multi-D minimum chi square minimization, or -99 if no parameters are estimated

nbins

=c(50, 10) number of bins for chi-square tests

rate

=0, rate of Poisson if sample size is random

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

allbins

set of bins to use

Value

A numeric matrix of test statistics, degrees of freedom and p.values


Find the power of various gof tests for continuous data.

Description

Find the power of various gof tests for continuous data.

Usage

gof_power(
  pnull,
  vals = NA,
  rnull,
  ralt,
  param_alt,
  w = function(x) -99,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  alpha = 0.05,
  Range = c(-Inf, Inf),
  B = c(1000, 1000),
  nbins = c(50, 10),
  rate = 0,
  maxProcessors,
  minexpcount = 5,
  ChiUsePhat = TRUE
)

Arguments

pnull

function to find cdf under null hypothesis

vals

=NA, values of rv, if data is discrete, NA if data is continuous

rnull

function to generate data under null hypothesis

ralt

function to generate data under alternative hypothesis

param_alt

vector of parameter values for distribution under alternative hypothesis

w

(Optional) function to calculate weights, returns -99 if no weights

phat

=function(x) -99 function to estimate parameters from the data, or -99

TS

user supplied function to find test statistics

TSextra

=NA, list provided to TS

alpha

=0.05, the level of the hypothesis test

Range

=c(-Inf, Inf) limits of possible observations, if any

B

=c(1000, 1000), number of simulation runs to find power and null distribution

nbins

=c(100,10), number of bins for chi square tests.

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

maxProcessors

maximum of number of processors to use, 1 if no parallel processing is needed or number of cores-1 if missing

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

Value

A numeric matrix of power values.

Examples

# Power of tests when null hypothesis specifies the standard normal distribution but 
# true data comes from a normal distribution with mean different from 0.
pnull = function(x) pnorm(x)
rnull = function()  rnorm(50)
ralt = function(mu)  rnorm(50, mu)
TSextra = list(qnull=function(x) qnorm(x))
gof_power(pnull, NA, rnull, ralt, c(0.25, 0.5), TSextra=TSextra, B=c(500, 500))
# Power of tests when null hypothesis specifies normal distribution and 
# mean and standard deviation are estimated from the data. 
# Example is not run because it takes several minutes.
# true data comes from a normal distribution with mean different from 0.
pnull = function(x, p=c(0, 1)) pnorm(x, p[1], ifelse(p[2]>0.001, p[2], 0.001))
rnull = function(p=c(0, 1))  rnorm(50, p[1], ifelse(p[2]>0.001, p[2], 0.001))
phat = function(x) c(mean(x), sd(x))
TSextra = list(qnull = function(x, p=c(0, 1)) qnorm(x, p[1],  
               ifelse(p[2]>0.001, p[2], 0.001))) 
gof_power(pnull, NA, rnull, ralt, c(0, 1), phat=phat, TSextra=TSextra, 
          B=c(200, 200), maxProcessor=2)
# Power of tests when null hypothesis specifies Poisson rv with rate 100 and 
# true rate is 100.5
vals = 0:250
pnull = function() ppois(0:250, 100)
rnull =function () table(c(0:250, rpois(1000, 100)))-1
ralt =function (p) table(c(0:250, rpois(1000, p)))-1
gof_power(pnull, vals, rnull, ralt, param_alt=100.5,  B=c(500,500))
# Power of tests when null hypothesis specifies a Binomial n=10 distribution 
# with the success probability estimated
vals = 0:10
pnull=function(p) pbinom(0:10, 10, ifelse(0<p&p<1, p, 0.001))
rnull=function(p) table(c(0:10, rbinom(1000, 10, ifelse(0<p&p<1, p, 0.001))))-1
ralt=function(p) table(c(0:10, rbinom(1000, 10, p)))-1
phat=function(x) mean(rep(0:10,x))/10
gof_power(pnull, vals, rnull, ralt, c(0.5, 0.6), phat=phat,
                    B=c(200, 200), maxProcessor=2)

Find the power of various gof tests for continuous data.

Description

Find the power of various gof tests for continuous data.

Usage

gof_power_cont(
  pnull,
  rnull,
  ralt,
  param_alt,
  w = function(x) -99,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  alpha = 0.05,
  Range = c(-Inf, Inf),
  B = c(1000, 1000),
  nbins = c(100, 10),
  rate = 0,
  maxProcessors,
  minexpcount = 5,
  ChiUsePhat = TRUE
)

Arguments

pnull

function to find cdf under null hypothesis

rnull

function to generate data under null hypothesis

ralt

function to generate data under alternative hypothesis

param_alt

vector of parameter values for distribution under alternative hypothesis

w

(Optional) function to calculate weights, returns -99 if no weights

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters aare estimated

TS

user supplied function to find test statistics, if any

TSextra

=NA, list provided to TS

alpha

=0.05, the level of the hypothesis test

Range

=c(-Inf, Inf) limits of possible observations, if any

B

=c(1000, 1000), number of simulation runs to find power and null distribution

nbins

=c(100,10), number of bins for chi square tests.

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

maxProcessors

maximum of number of processors to use, 1 if no parallel processing is needed or number of cores-1 if missing

minexpcount

=5 minimal expected bin count required

ChiUsePhat

=TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

Value

A numeric matrix of power values.


Find the power of various gof tests for discrete data.

Description

Find the power of various gof tests for discrete data.

Usage

gof_power_disc(
  pnull,
  rnull,
  vals,
  ralt,
  param_alt,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  alpha = 0.05,
  B = c(1000, 1000),
  nbins = c(100, 10),
  rate = 0,
  maxProcessors,
  minexpcount = 5,
  ChiUsePhat = TRUE
)

Arguments

pnull

cumulative distribution function under the null hypothesis

rnull

a function to generate data under null hypothesis

vals

values of discrete rv.

ralt

function to generate data under alternative hypothesis

param_alt

vector of parameter values for distribution under alternative hypothesis

phat

=function(x) -99, function to estimate parameters from the data, -99 if no parameters are estimated

TS

user supplied function to find test statistics, if any

TSextra

=NA, list passed to TS, if desired

alpha

=0.05, the level of the hypothesis test

B

=c(1000, 1000), number of simulation runs to find power and null distribution

nbins

=c(100, 10) number of bins for chi square tests

rate

rate of Poisson if sample size is random

maxProcessors

maximum of number of processors to use, 1 if no parallel processing is needed or number of cores-1 if missing

minexpcount

=5 minimal number of expected counts in each bin for chi square tests

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

Value

A numeric matrix of power values.


This function performs a number of gof tests

Description

This function performs a number of gof tests

Usage

gof_test(
  x,
  vals = NA,
  pnull,
  rnull,
  w = function(x) -99,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  nbins = c(50, 10),
  rate = 0,
  Range = c(-Inf, Inf),
  B = 5000,
  minexpcount = 5,
  ChiUsePhat = TRUE,
  maxProcessors = 1,
  doMethods = "all"
)

Arguments

x

data set

vals

=NA, values of discrete RV, or NA if data is continuous

pnull

cdf under the null hypothesis

rnull

routine to generate data under the null hypothesis

w

(Optional) function to calculate weights, returns -99 if no weights

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters are estimated

TS

user supplied function to find test statistics, if any

TSextra

=NA, list passed to TS, if desired, or NA

nbins

=c(100, 10) number of bins for chi-square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

Range

=c(-Inf, Inf) limits of possible observations, if any, for chi-square tests

B

=5000 number of simulation runs

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

maxProcessors

=1, number of processors to use in parallel processing.

doMethods

Methods to include in tests

Value

A list with vectors of test statistics and p.values

Examples

# Tests to see whether data comes from a standard normal distribution.
pnull = function(x) pnorm(x)
rnull = function()  rnorm(100)
x = rnorm(100)
gof_test(x, NA, pnull, rnull)
# Tests to see whether data comes from a normal distribution with standard deviation 1 
# and the mean estimated.
pnull=function(x, m) pnorm(x, m)
rnull=function(m) rnorm(100, m)
TSextra = list(qnull=function(x, m=0) qnorm(x, m), 
          pnull=function(x, m=0) pnorm(x, m), phat=function(x) mean(x))
phat=function(x) mean(x)
x = rnorm(100, 1, 2)
gof_test(x, NA, pnull, rnull, phat=phat, TSextra=TSextra)
# Tests to see whether data comes from a binomial (10, 0.5) distribution.
vals=0:10
pnull = function() pbinom(0:10, 10, 0.5)
rnull = function() table(c(0:10, rbinom(1000, 10, 0.5)))-1
x = rnull() 
gof_test(x, vals, pnull, rnull, doMethods="all")
# Tests to see whether data comes from a binomial distribution with 
# the success probability estimated from the data.
pnull = function(p=0.5) pbinom(0:10, 10, ifelse(p>0&&p<1, p, 0.001))
rnull = function(p=0.5) table(c(0:10, rbinom(1000, 10, 
                  ifelse(p>0&&p<1, p, 0.001))))-1
phat=function(x) mean(rep(0:10,x))/10 
gof_test(x, vals, pnull, rnull, phat=phat)

This function performs a number of gof tests and finds the adjusted p value for the combined test

Description

This function performs a number of gof tests and finds the adjusted p value for the combined test

Usage

gof_test_adjusted_pvalue(
  x,
  vals = NA,
  pnull,
  rnull,
  w = function(x) -99,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  nbins = c(50, 10),
  rate = 0,
  Range = c(-Inf, Inf),
  B = c(5000, 1000),
  minexpcount = 5,
  ChiUsePhat = TRUE,
  doMethods
)

Arguments

x

data set

vals

=NA, values of discrete RV, or NA if data is continuous

pnull

cdf under the null hypothesis

rnull

routine to generate data under the null hypothesis

w

(Optional) function to calculate weights, returns -99 if no weights

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters are estimated

TS

user supplied function to find test statistics, if any

TSextra

=NA, list passed to TS, if desired, or NA

nbins

=c(100, 10) number of bins for chi-square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

Range

=c(-Inf, Inf) limits of possible observations, if any, for chi-square tests

B

=c(5000,1000) number of simulation runs for individual and for adjusted p values

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

doMethods

Methods to include in tests

Value

None

Examples

# Tests to see whether data comes from a standard normal distribution.
pnull = function(x) pnorm(x)
rnull = function()  rnorm(100)
x = rnorm(100)
gof_test_adjusted_pvalue(x, NA, pnull, rnull, B=c(1000, 200))
# Tests to see whether data comes from a normal distribution with standard deviation 1 
# and the mean estimated.
pnull=function(x, m) pnorm(x, m)
rnull=function(m) rnorm(100, m)
TSextra = list(qnull=function(x, m=0) qnorm(x, m), 
          pnull=function(x, m=0) pnorm(x, m), phat=function(x) mean(x))
phat=function(x) mean(x)
x = rnorm(100, 1, 2)
gof_test_adjusted_pvalue(x, NA, pnull, rnull, phat=phat, TSextra=TSextra, B=c(1000, 200))
# Tests to see whether data comes from a binomial (10, 0.5) distribution.
vals=0:10
pnull = function() pbinom(0:10, 10, 0.5)
rnull = function() table(c(0:10, rbinom(1000, 10, 0.5)))-1
x = rnull() 
gof_test_adjusted_pvalue(x, vals, pnull, rnull, B=c(1000, 200))
# Tests to see whether data comes from a binomial distribution with 
# the success probability estimated from the data.
pnull = function(p=0.5) pbinom(0:10, 10, ifelse(p>0&&p<1, p, 0.001))
rnull = function(p=0.5) table(c(0:10, rbinom(1000, 10, 
                  ifelse(p>0&&p<1, p, 0.001))))-1
phat=function(x) mean(rep(0:10,x))/10 
gof_test_adjusted_pvalue(x, vals, pnull, rnull, phat=phat, B=c(1000, 200))

This function performs a number of gof tests for continuous data

Description

This function performs a number of gof tests for continuous data

Usage

gof_test_cont(
  x,
  pnull,
  rnull,
  w = function(x) -99,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  nbins = c(50, 10),
  rate = 0,
  Range = c(-Inf, Inf),
  B = 5000,
  minexpcount = 5,
  ChiUsePhat = TRUE,
  maxProcessors = 1,
  doMethods = "all"
)

Arguments

x

data set

pnull

cdf under the null hypothesis

rnull

routine to generate data under the null hypothesis

w

(Optional) function to calculate weights, returns -99 if no weights

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters aare estimated

TS

user supplied function to find test statistics, if any

TSextra

=NA, list passed to TS, if desired

nbins

=c(50, 10) number of bins for chi-square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

Range

=c(-Inf, Inf) limits of possible observations, if any, for chi-square tests

B

=5000 number of simulation runs

minexpcount

=5 minimal expected bin count required

ChiUsePhat

=TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

maxProcessors

=1, number of processors to use in parallel processing. If missing single processor is used.

doMethods

Methods to include in tests

Value

A list with vectors of test statistics and p.values


This function performs a number of gof tests for continuous data and finds the adjusted p value

Description

This function performs a number of gof tests for continuous data and finds the adjusted p value

Usage

gof_test_cont_adj(
  x,
  pnull,
  rnull,
  w = function(x) -99,
  phat = function(x) 0,
  TS,
  TSextra = NA,
  nbins = c(50, 10),
  rate = 0,
  Range = c(-Inf, Inf),
  B = c(5000, 1000),
  minexpcount = 5,
  ChiUsePhat = TRUE,
  doMethods = c("W", "ZC", "AD", "ES-s-P")
)

Arguments

x

data set

pnull

cdf under the null hypothesis

rnull

routine to generate data under the null hypothesis

w

(Optional) function to calculate weights, returns -99 if no weights

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters aare estimated

TS

user supplied function to find test statistics, if any

TSextra

=NA, list passed to TS, if desired

nbins

=c(50, 10) number of bins for chi-square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

Range

=c(-Inf, Inf) limits of possible observations, if any, for chi-square tests

B

=c(5000,1000) number of simulation runs for p values and for p value distribution

minexpcount

=5 minimal expected bin count required

ChiUsePhat

=TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

doMethods

Methods to include in tests

Value

None


This function performs a number of gof tests for discrete data.

Description

This function performs a number of gof tests for discrete data.

Usage

gof_test_disc(
  x,
  pnull,
  rnull,
  vals,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  nbins = c(50, 10),
  rate = 0,
  B = 5000,
  minexpcount = 5,
  ChiUsePhat = TRUE,
  maxProcessors = 1,
  doMethods = "Default"
)

Arguments

x

data set (the counts)

pnull

cumulative distribution function under the null hypothesis

rnull

routine to generate data under the null hypothesis

vals

a vector of values of discrete random variables

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters aare estimated

TS

=NA, user supplied function to find test statistics

TSextra

=NA, list passed to TS, if desired

nbins

=c(50, 10) number of bins for chi-square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

B

=5000 number of simulation runs

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

maxProcessors

=1, number of processors to use in parallel processing. If missing single processor is used.

doMethods

Methods to include in tests

Value

A numeric matrix of test statistics and p.values


This function performs a number of gof tests for discrete data and finds the adjusted p value

Description

This function performs a number of gof tests for discrete data and finds the adjusted p value

Usage

gof_test_disc_adj(
  x,
  pnull,
  rnull,
  vals,
  phat = function(x) -99,
  TS,
  TSextra = NA,
  nbins = c(50, 10),
  rate = 0,
  B = c(5000, 1000),
  minexpcount = 5,
  ChiUsePhat = TRUE,
  doMethods = c("Wassp1", "W", "AD", "s-P")
)

Arguments

x

data set (the counts)

pnull

cumulative distribution function under the null hypothesis

rnull

routine to generate data under the null hypothesis

vals

a vector of values of discrete random variables

phat

=function(x) -99, function to estimate parameters from the data, or -99 if no parameters aare estimated

TS

=NA, user supplied function to find test statistics

TSextra

=NA, list passed to TS, if desired

nbins

=c(50, 10) number of bins for chi-square tests

rate

=0 rate of Poisson if sample size is random, 0 if sample size is fixed

B

=c(5000, 1000) number of simulation runs for p values and for adjusted p value

minexpcount

=5 minimal expected bin count required

ChiUsePhat

= TRUE, if TRUE param is estimated parameter, otherwise minimum chi square method is used.

doMethods

Methods to include in tests

Value

A numeric matrix of test statistics and p.values


This function creates several type of bins for continuous data

Description

This function creates several type of bins for continuous data

Usage

make_bins_cont(
  x,
  pnull,
  qnull = NA,
  phat = function(x) -99,
  DataBased = FALSE,
  nbins = c(50, 10),
  minexpcount = 5,
  Range = c(-99999, 99999)
)

Arguments

x

data set

pnull

cdf under the null hypothesis

qnull

=NA quantile function, if available

phat

=function(x) -99 parameters for pnull

DataBased

=FALSE bins based on data, not expected counts

nbins

=c(50, 10) number of bins

minexpcount

=5 smallest expected count per bin

Range

=c(-99999, 99999) limits of possible observations, if any

Value

A list of bins and bin probabilities


This function creates several types of bins for discrete data

Description

This function creates several types of bins for discrete data

Usage

make_bins_disc(
  x,
  pnull,
  phat = function(x) -99,
  nbins = c(50, 10),
  minexpcount = 5
)

Arguments

x

counts

pnull

cumulative distribution function

phat

=function(x) -99, function to estimated parameters, or -99

nbins

=c(50, 10) number of bins

minexpcount

=5 smallest expected count per bin

Value

A list of indices


This function draws the power graph, with curves sorted by the mean power and smoothed for easier reading.

Description

This function draws the power graph, with curves sorted by the mean power and smoothed for easier reading.

Usage

plot_power(pwr, xname = " ", title, Smooth = TRUE, span = 0.25)

Arguments

pwr

a matrix of power values, usually from the twosample_power command

xname

Name of variable on x axis

title

(Optional) title of graph

Smooth

=TRUE lines are smoothed for easier reading

span

=0.25bandwidth of smoothing method

Value

plt, an object of class ggplot.


This function does some rounding to nice numbers

Description

This function does some rounding to nice numbers

Usage

## S3 method for class 'digits'
signif(x, d = 4)

Arguments

x

a list of two vectors

d

=4 number of digits to round to

Value

A list with rounded vectors