C. E. Eskildsen, T. Næs, J. Wold, N. K. Afseth, S. Engelsen
{"title":"从近红外光谱测量预测脂肪酸组成时，可视化间接相关性","authors":"C. E. Eskildsen, T. Næs, J. Wold, N. K. Afseth, S. Engelsen","doi":"10.1255/NIR2017.039","DOIUrl":null,"url":null,"abstract":"Author Summary: In recent years, vibrational spectroscopy has been used to predict detailed sample composition like protein and fatty acid profiles. This study shows that fatty acid predictions from near infrared measurements in food stuffs rely on covariance structures amongst the fatty acids. These covariance structures, in turn, vary with factors like breed, age, feed, season etc. and therefore they are not likely to remain constant. Consequently, the robustness and validity of the developed calibration models will be compromised.","PeriodicalId":20429,"journal":{"name":"Proceedings of the 18th International Conference on Near Infrared Spectroscopy","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2019-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Visualizing indirect correlations when predicting fatty acid composition from near infrared spectroscopy\\nmeasurements\",\"authors\":\"C. E. Eskildsen, T. Næs, J. Wold, N. K. Afseth, S. Engelsen\",\"doi\":\"10.1255/NIR2017.039\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Author Summary: In recent years, vibrational spectroscopy has been used to predict detailed sample composition like protein and fatty acid profiles. This study shows that fatty acid predictions from near infrared measurements in food stuffs rely on covariance structures amongst the fatty acids. These covariance structures, in turn, vary with factors like breed, age, feed, season etc. and therefore they are not likely to remain constant. Consequently, the robustness and validity of the developed calibration models will be compromised.\",\"PeriodicalId\":20429,\"journal\":{\"name\":\"Proceedings of the 18th International Conference on Near Infrared Spectroscopy\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-02-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 18th International Conference on Near Infrared Spectroscopy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1255/NIR2017.039\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 18th International Conference on Near Infrared Spectroscopy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1255/NIR2017.039","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Visualizing indirect correlations when predicting fatty acid composition from near infrared spectroscopy
measurements
Author Summary: In recent years, vibrational spectroscopy has been used to predict detailed sample composition like protein and fatty acid profiles. This study shows that fatty acid predictions from near infrared measurements in food stuffs rely on covariance structures amongst the fatty acids. These covariance structures, in turn, vary with factors like breed, age, feed, season etc. and therefore they are not likely to remain constant. Consequently, the robustness and validity of the developed calibration models will be compromised.
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