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litteR

What is litteR?

litteR is an R-package for litter analysis. Think about beach litter, riverain litter, floating litter, seafloor litter, etc.

User Manual

It is recommended to read the litteR User Manual carefully before you install and start using litteR. This manual can be found on CRAN.

Note for MS-Windows users

MS-Windows users need RStudio to run litteR. Please consult the installation manual on CRAN for more information.

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Version

Install

install.packages('litteR')

Monthly Downloads

259

Version

1.0.1

License

GPL (>= 3)

Maintainer

Dennis Walvoort

Last Published

July 4th, 2025

Functions in litteR (1.0.1)

kendall_var_s

Mann-Kendall Variance of S Statistic
read_settings

Read Settings File
is_natural_number

Test for Natural Numbers
recdf

Sample From an ECDF
intercept

Intercept
enumerate

Enumerate Objects
iod

Index of Dispersion
regional_kendall

Regional Kendall Test for Trend
enumerate.character

Enumerate Character Vector
rmad

Relative Median Absolute Deviation
trimean

Tukey's Trimean
theil_sen

Theil Sen Slope Estimator
sequenize.integer

Sequenize Integer Sequence
slope

Slope
litteR-package

Litter Analysis
list_duplicates

List Duplicates
sequenize

Sequenize Objects
read_litter_types

Read Type Names
wilcoxon

Wilcoxon Test
validate

Validation of LitteR File Formats
stat_adj_boxplot

Adjusted Boxplot Statistics for ggplot2
test_statistic

Test Statistic
create_logger

Simple Logger
enumerate.sequenized

Convert Sequenized Output to Character String
adj_boxplot_stats

Adjusted Boxplot Statistics
cv

Coefficient of Variation
p_value

p-value
medcouple

Medcouple
create_litter_project

Create Project Directory
has_write_access

Check Write Permission
mann_kendall

Mann Kendall
read_litter

Read Litter Data
litter

Graphical User Interface to the litteR-package
is_date_format

Check Date Format
roll

Rolling Statistics
kendall_s

Mann-Kendall S Statistic