tipo.curva;data;beta.0;beta.1;beta.2;beta.3;lambda.1;lambda.2
prefixada;20230228;0.123890259649896;0.0029936713762856;-0.940527901592783;0.939094306527371;2.12905914354045;2.18064058814524
cupom_IGPM;20230228;0.0609546596398741;-0.00996318098624146;-0.671787276458383;0.689687814730433;2.34688677721326;2.46276948289976
cupom_TR;20230228;0.0810082331108214;0.0248553174063789;-0.0226808207606635;NA;0.0482330279662415;NA
cupom_dolar;20230228;0.082585575061132;-0.0184442126745339;-0.0440358107045482;NA;0.228993168742568;NA