The U.S. Environmental Protection Agency (EPA) finalized a rule that will provide EPA, its partners, and the public with the largest-ever dataset of per- and polyfluoroalkyl substances (PFAS) manufactured and used in the United States. This rule builds on over two years of progress on the...
# user system elapsed # 36.14 2.30 37.78 參考網站: http://rwepa.blogspot.com/2019/11/r-makenames-base.html human_resource.csv 資料說明: 人力資源資料 資料來源: https://github.com/Surya-Murali/Human-Resource-Analytics-in-R/tree/master/Dataset 資料筆數: 14999 欄位個數: 10 欄位名稱: last...
along with chemical structures where appropriate, within the ChemReg chemical registration system that houses the DSSTox data17. With an assembled dataset, models available through the Comptox Dashboard can be applied to generate predicted physicochemical ...
In the metabolomics dataset, missing values were assumed to be below the limit of detection and imputed with the metabolites’ minimum value (deemed as informative blanks, minimum value imputation). The raw values from the samples for each metabolite was divided by the median of those samples to...