def METHOD_NAME(self):
    # Output of v.rast.stats
    univar_string = """cat|name|a_number|a_null_cells|a_minimum|a_maximum|a_range|a_average|a_stddev|a_variance|a_coeff_var|a_sum|a_first_quartile|a_median|a_third_quartile|a_percentile_90