WebMar 29, 2024 · 此函数代表以dlnm为单位进行基本转换的主要函数，适用于指定暴露-反应和滞后-反应关系。 它的作用是应用选定的转换并以适用于其他函数（例如crossbasis（）和crosspred（））的格式生成基本矩阵。 以下示例复制了该部分中显示的多项式变换： onebasis (1:5,fun="poly",degree=3) b1 b2 b3 [1,] 0.2 0.04 0.008 [2,] 0.4 0.16 0.064 [3,] … WebThe functions can be also used with estimates from DLNMs reduced to the overall cumulative exposure-response through the function crossreduce in the package dlnm. In this case, the modified coefficients and (co)variance matrix of the reduced cross-basis in basis must be passed using the arguments coef and vcov.

dlnm source: R/mkXpred.R

WebThe function reduces the fit of bi-dimensional distributed lag linear (DLMs) or non-linear (DLNMs) models to summaries defined in the the dimension of predictor or lags only, … WebThe package dlnm contains functions to specify and interpret distributed lag linear (DLMs) and non-linear (DLNMs) models. These functions are used to build basis and cross-basis matrices and then to predict and plot the results of a fitted model. kdgrffn outlook.com

R: Plot Predictions for a Reduced DLNM

WebPlot Predictions for a Reduced DLNM Description High and low-level method functions for graphs of predictions from reduced distributed lag linear (DLMs) and non-linear (DLNMs) … WebDLNM and crossreduce (): getting the coefficients behind the cross-basis. I am using the R package dlnm to fit a distributed lag non-linear model estimated with lm (). One can specify both the exposure and the lag … WebJan 24, 2024 · DLNM可广泛应用于横断面研究、病例对照、队列研究、随机对照试验等等，它可以消除污染物季节趋势的影响，描述复杂的暴露滞后反应，充分控制其他周之间的暴露情况。 同时，DLNM还可以提供基于累积效应的无偏估计，并提供更可靠的易感暴露窗口[1]。 6. 参考文献 Wilson A, Chiu YM, Hsu HL, Wright RO, Wright RJ, Coull BA. 2024. … lazyboy nutmeg couch