The function is aimed for bias adjustment for covariance matrix.
1 2 | fix_frtn_cov2(cov_list, frtn_seri, barra_param, result_type = c("cov",
"bias"))
|
cov_list |
A list. Each element in the list is a covariance matrix. |
frtn_seri |
data table input. The factor return data table. The first column is date and each of the rest columns is a risk factor return series. The data is in day frequency. |
result_type |
"cov" or "bias". If "cov", the output would be the cov_list after fixation. If "bias", the output would be the bias recording for fixation. |
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