radiant.data: filter_data – R documentation

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filter_data

Filter data with user-specified expression

Filter data with user-specified expression

filter_data(dataset, filt = "", drop = TRUE)

`dataset`	Data frame to filter
`filt`	Filter expression to apply to the specified dataset
`drop`	Drop unused factor levels after filtering (default is TRUE)

Filters can be used to view a sample from a selected dataset. For example, runif(nrow(.)) > .9 could be used to sample approximately 10

Filtered data frame

select(diamonds, 1:3) %>% filter_data(filt = "price > max(.$price) - 100")
select(diamonds, 1:3) %>% filter_data(filt = "runif(nrow(.)) > .995")

Data Menu for Radiant: Business Analytics using R and Shiny

v1.3.12

AGPL-3 | file LICENSE

Authors

Vincent Nijs [aut, cre]

Initial release

2020-11-25