Tivy (version 0.1.1)

find_columns_by_pattern: Find columns by pattern

Description

Identifies columns in a data frame that match a specific pattern. Useful for finding length columns, weight columns, etc.

Usage

find_columns_by_pattern(data, pattern = "weighted_", sort = TRUE)

Value

Character vector of matching column names.

Arguments

data

Data frame to search.

pattern

Regular expression pattern to match.

sort

Logical. Sort results numerically.

Examples

# Create dummy data
data <- data.frame(
  weighted_8.5 = c(1, 2, 3),
  weighted_10 = c(4, 5, 6),
  `8` = c(7, 8, 9),
  other = c(10, 11, 12)
)

# Find weighted columns
weighted_cols <- find_columns_by_pattern(data, pattern = "weighted_")

# Find numeric-only named columns (e.g., "8")
length_cols <- find_columns_by_pattern(data, pattern = "")