Linear Interpolation in (Kdb+/ Q)
I have a pivoted table in Kdb+ with columns state, callable, matureyear, couponrate and rating columns. Rating columns are AAA, AA+, AA, AA- which are pivoted columns with yield as values.
I have a pivoted table in Kdb+ with columns state, callable, matureyear, couponrate and rating columns. Rating columns are AAA, AA+, AA, AA- which are pivoted columns with yield as values.