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Filter a long-format data frame to valid spatial cells

Source: R/data-preparation.R
filter_df.Rd

Keeps only rows whose spatial index (ids) appears in valid_ids and adds a sid column (1..n_valid) giving each valid cell's rank among the valid cells. sid matches the indexing of membership vectors returned by genclust(). If valid_ids is NULL, all rows are kept and sid is assigned by rank of ids.

Usage

filter_df(df, valid_ids = NULL)

Arguments

df

A long-format data frame as returned by data_all().

valid_ids

Integer vector of valid flat spatial positions, as returned in genclust(...)$valid_ids. If NULL, all spatial cells are treated as valid.

Value

A filtered data frame with rows corresponding to valid spatial cells only, with an additional sid column (integer, 1..n_valid).