candle.data_utils.lookup

candle.data_utils.lookup(df, query, ret, keys, match='match')

Dataframe lookup.

Parameters:

• df (pandas dataframe) – dataframe for retrieving values.

• query (string) – String for searching.

• ret (int/string or list) – Names or indices of columns to be returned.

• keys (list) – List of strings or integers specifying the names or indices of columns to look into.

• match (string) – String describing strategy for matching keys to query.

Returns:

• Returns a list of the values in the dataframe whose columns match

• the specified query and have been selected to be returned.