select_products: Randomly select products

In moamiristat/grocerycart: Collect, Clean & Analyze Grocery Data from elGrocer & Ocado

Randomly select products

Description

Randomly select products to include in customers' baskets, possible with varying probabilities for different products. This function is meant to randomize/stimulate a 'grocery shopping experience', assuming the number of products per basket/order is randomly distributed.

Usage

select_products(
  products,
  probs,
  customer_id,
  min_products,
  mean_products,
  sd_products
)

Arguments

products	Vector of products to select from.
probs	Probabilities of selecting products.
customer_id	Vector of customer id's.
min_products	Minimum number of products per basket/order.
mean_products	Average number of products per basket/order.
sd_products	Standard deviation for number of products per basket/order.

Value

A vector of product names.

Examples

# 7 products to choose from
items <- c("apple", "orange", "tea", "coffee", "ice cream", "cookie", "jam")

# 3 customers
c_id <- 1:3

# All products are equally likely to be chosen
baskets <- select_products(items, rep(1/7, length(items)),
customer_id = c_id, min_products = 1, mean_products = 3, sd_products = 1)

# Table of customers and their baskets
tibble::tibble(customer_id = c_id, order = baskets) %>%
tidyr::separate_rows(order, sep = "@")

moamiristat/grocerycart documentation built on June 15, 2022, 10 a.m.