Creates a cross-basis matrix of the lag-response and exposure-response functions, for each geography.
hc_create_crossbasis(
df_list,
var_fun = "bs",
var_degree = 2,
var_per = c(10, 75, 90),
lagn = 21,
lagnk = 3,
dfseas = 8
)'cb_list'. A list of cross-basis matrices by geography.
A list of dataframes containing daily timeseries data for a health outcome and climate variables which may be disaggregated by a particular geography.
Character. Exposure function for argvar (see dlnm::crossbasis). Defaults to 'bs'.
Integer. Degree of the piecewise polynomial for argvar (see dlnm::crossbasis). Defaults to 2 (quadratic).
Vector. Internal knot positions for argvar (see dlnm::crossbasis). Defaults to c(10,75,90).
Integer. Number of days in the lag period. Defaults to 21. (see dlnm::crossbasis).
Integer. Number of knots in lag function. Defaults to 3. (see dlnm::logknots).
Integer. Degrees of freedom for seasonality. Defaults to 8.