{"title":"2","authors":"Aulus Gellius","doi":"10.2307/j.ctvg2539k.5","DOIUrl":null,"url":null,"abstract":"Refinement . Refinement of F 2 against ALL reflections. The weighted R -factor wR and goodness of fit S are based on F 2 , conventional R -factors R are based on F , with F set to zero for negative F 2 . The threshold expression of F 2 > σ ( F 2 ) is used only for calculating R -factors(gt) etc . and is not relevant to the choice of reflections for refinement. R -factors based on F 2 are statistically about twice as large as those based on F , and R - factors based on ALL data will be even larger.","PeriodicalId":294561,"journal":{"name":"Between Two Shores","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1871-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Between Two Shores","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2307/j.ctvg2539k.5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Refinement . Refinement of F 2 against ALL reflections. The weighted R -factor wR and goodness of fit S are based on F 2 , conventional R -factors R are based on F , with F set to zero for negative F 2 . The threshold expression of F 2 > σ ( F 2 ) is used only for calculating R -factors(gt) etc . and is not relevant to the choice of reflections for refinement. R -factors based on F 2 are statistically about twice as large as those based on F , and R - factors based on ALL data will be even larger.
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