Eric’s Data Science Toolbox

A personal R package of miscellaneous data science functions

Installation

Install from GitHub with:

# install.packages("remotes")
remotes::install_github("ercbk/ebtools")

What’s in it

Function	Description	Complementary Packages
Time Series
add_mase_scale_feat	Adds a scale feature by using a factor derived from the MASE error function
add_tsfeatures	Adds 20 time series features from the tsfeatures package
create_dtw_grids	Creates a nested, parameter grid list.	dtwclust dtw
descale_by_mase	Back-transforms a group time series that has been scaled by a factor derived from the MASE error function.
dtw_dist_gridsearch	Performs a grid search using a list of parameter grids and a list of distance functions	dtwclust dtw
prewhitened_ccf	Prewhitens time series, calculates cross-correlation coefficients, and returns statistically significant values.
scale_by_mase	Scales a group time series by using a factor derived from the MASE error function.
test_fable_resids	Checks residuals of multiple fable models for autocorrelation using the Ljung-Box test	fable
test_lm_resids	Checks residuals of multiple lm models for autocorrelation using Breusch-Godfrey and Durbin-Watson tests.
Preprocessing
to_js_array	Creates js array column.	dataui
Statistics
cles	Calculates the Common Language Effect Size (CLES)
get_boot_ci	Calculates bootstrapped confidence intervals for a statistic.