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Bounds for Accounting Populations
Find an upper bound for the total amount of overstatement
of assets in a set of accounts, or estimate the amount of sales tax
owed on a collection of transactions (Meeden and Sargent, 2007,
Walmart Open API Wrapper
Provides API access to the Walmart Open API < https://developer.walmartlabs.com/>, that contains data about stores, Value of the day and products which includes names, sale prices, shipping rates and taxonomies.
Make Tidy Bins
Multiple ways to bin numeric columns with a tidy output. Wraps a variety of existing binning methods into one function, and includes a new method for binning by equal value, which is useful for sales data. Provides a function to automatically summarize the properties of the binned columns.
U.S. Housing Data from 2008 to 2016
Monthly median home listing, sale price per square foot, and number of units sold for 2984 counties in the contiguous United States From 2008 to January 2016. Additional data sets containing geographical information and links to Wikipedia are also included.
Compute Recency Frequency Monetary Scores for your Customer Data
This hosts the findRFM function which generates RFM scores on a 1-5 point scale for customer transaction data. The function consumes a data frame with Transaction Number, Customer ID, Date of Purchase (in date format) and Amount of Purchase as the attributes. The function returns a data frame with RFM data for the sales information.
Analysis & Measurement of Promotion Effectiveness
Analysis and measurement of promotion effectiveness on a given target variable (e.g. daily sales). After converting promotion schedule into dummy or smoothed predictor variables, the package estimates the effects of these variables controlled for trend/periodicity/structural change using prophet by Taylor and Letham (2017)
'M5 Forecasting' Challenges Data
Contains functions, which facilitate downloading, loading and preparing data from 'M5 Forecasting' challenges (by 'University of Nicosia', hosted on 'Kaggle').
The data itself is set of time series of different product sales in 'Walmart'.
The package also includes a ready-to-use built-in M5 subset named 'tiny_m5'.
For detailed information about the challenges, see:
Makridakis, S. & Spiliotis, E. & Assimakopoulos, V. (2020).
Wearable Accelerometer Data File Readers
Reads data collected from wearable acceleratometers as used in sleep and physical activity research. Currently supports file formats: binary data from 'GENEActiv' < https://activinsights.com/>, .bin-format from GENEA devices (not for sale), and .cwa-format from 'Axivity' < https://axivity.com>. Further, it has functions for reading text files with epoch level aggregates from 'Actical', 'Fitbit', 'Actiwatch', 'ActiGraph', and 'PhilipsHealthBand'. Primarily designed to complement R package GGIR < https://CRAN.R-project.org/package=GGIR>.
Download Data from the 'Office for National Statistics'
Provides functions to download and tidy statistical data published by the 'Office for National Statistics' < https://www.ons.gov.uk>. Covers GDP, inflation (CPI, CPIH, RPI), unemployment, employment, wages, trade, retail sales, house prices, productivity, population, and public sector finances. Most series are fetched from the 'ONS' website using its CSV time series endpoint. House price data is sourced from 'HM Land Registry' < https://www.gov.uk/government/organisations/land-registry>. Data is cached locally between sessions.
County-Level Estimates of Fertilizer Application in USA
Compiled and cleaned the county-level estimates of fertilizer, nitrogen and phosphorus, from 1945 to 2012 in United States of America (USA). The commercial fertilizer data were originally generated by USGS based on the sales data of commercial fertilizer. The manure data were estimated based on county-level population data of livestock, poultry, and other animals. See the user manual for detailed data sources and cleaning methods. 'usfertilizer' utilized the tidyverse to clean the original data and provide user-friendly dataframe. Please note that USGS does not endorse this package. Also data from 1986 is not available for now.