View source: R/quadratic_forms.R
ht_matrix_to_joint_probs | R Documentation |
Compute the matrix of joint inclusion probabilities from the quadratic form of a Horvitz-Thompson variance estimator.
ht_matrix_to_joint_probs(ht_quad_form)
ht_quad_form |
The matrix of the quadratic form representing the Horvitz-Thompson variance estimator. |
The quadratic form matrix of the Horvitz-Thompson variance estimator
has ij
-th entry equal to (1-\frac{\pi_i \pi_j}{\pi_{ij}})
.
The matrix of joint probabilties has ij
-th entry equal to \pi_{ij}
.
The matrix of joint inclusion probabilities
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