Description Usage Arguments Examples
View source: R/load_features.R
Used to load previously saved features created during dfs.
1 | load_features(file = NA)
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file |
The file containing the features. |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | library(magrittr)
# Create mock datasets
set_1 <- data.frame(key = 1:100, value = sample(letters, 100, TRUE), stringsAsFactors = TRUE)
set_2 <- data.frame(key = 1:100, value = sample(LETTERS, 100, TRUE), stringsAsFactors = TRUE)
# Common variable: `key`
# Use dfs to create features
dir <- tempdir()
as_entityset(set_1, index = "key", entity_id = "set_1", id = "demo") %>%
add_entity(entity_id = "set_2", df = set_2, index = "key") %>%
add_relationship(
parent_set = "set_1",
child_set = "set_2",
parent_idx = "key",
child_idx = "key"
) %>%
dfs(target_entity = "set_1", trans_primitives = c("and")) %>%
extract_features() %>%
save_features(filename = "some.features", path = dir)
# Load saves features
features <- load_features(file.path(dir, "some.features"))
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