C_S_fun | R Documentation |
Computes the elementary polynomials for each row of the input, by induction. This corresponds to the what the function C_S does to V in the DDL paper.
C_S_fun(V)
V |
the matrix of size n x T whose coefficients are used in the elementary symmetric polynomial. NAs can be used for unobserved values. |
a matrix of size n x (T + 1) whose value in the (i, j)-th position is C_(j-1)(X, beta) using the values of V = X' * beta in the i-th row. When j - 1 is larger than the number of non-NA values of V in the relevant row, the value NA is returned.
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