def METHOD_NAME(header=DEFAULT_HEADER):
    """Get Spark schema from header.
    Args:
        header (list): Dataset header names.
    Returns:
        pyspark.sql.types.StructType: Spark schema.
    """
    # create schema
    schema = StructType()
    # do label + ints
    n_ints = 14
    for i in range(n_ints):
        schema.add(StructField(header[i], IntegerType()))
    # do categoricals
    for i in range(26):
        schema.add(StructField(header[i + n_ints], StringType()))
    return schema