step_ns可以从单个变量创建新特征,使拟合例程能够以非线性方式对该变量进行建模。可能的非线性程度由splines::ns()的df或knot参数确定。原始变量将从数据中删除,并添加新列。新变量的命名约定为varname_ns_1,依此类推。 整理 当您tidy()此步骤时,将返回带有列terms(将受影响的列)的tibble。 调整参数 此步骤有...
step_ns(),则会在隐式调用 prep() 时导致错误: #... #with roles bfi_rec = recipe( bfi, vars = bfi %>% select(age, A1:O5) %>% names(), roles = c("outcome", rep("predictor", 25)), ) %>% step_ns(all_predictors(), deg_free = 3) #... #resampling bfi_res = fit_re...
[[NSNotificationCenterdefaultCenter]postNotificationName:@"test"object:obj userInfo:@{@"key":@"value"}]; 通过这两个方法就可以大致猜想到通知的具体实现方式。 添加通知就是将传入的参数存储到NSNotificationCenter单例中,其中name以及object两个参数可以作为存储数据的key,而Observer以及selector做为value存储 发...
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However, when I return this variable (calculated pressure) in a dictionary in temporal_hook, it does not save and it just stays 0. How can I add a variable to the NSfracStep-problem that updates for every timestep, starting at 0?