We compared the detection frequencies of the QTL in the following 3 scenarios: (1) in the total population fingerprinted with the original 90 k SNP marker data set, (2) in the assumed available genotypic profiles of the total population of 371 lines irrespective of imputation, and (3) in the total panel for which non-available 90 k SNP array data had been imputed by three imputation approaches.
Missing values have been imputed by hot deck imputation based on Gower distance in morbidity and other variables.
By moving the genes whose missing values have been imputed to the complete matrix, the previous target genes with imputed values can be utilized for the missing value estimation of the following target gene.
Missing values on analytical variables have been imputed to the country-specific mean using the dummy-variable imputation method to avoid losing further observations (Allison 2002).
Irrespectively of the existing spectrum of techniques, the results of imputation are commonly numeric meaning that once the data have been imputed they are not distinguishable from the original data being initially available prior to imputation.
The reason has been imputed to probable interactions between DPE, PA6 and clay.
QIDS data used in this plot have been imputed using last value carried forward.
For this reason, unemployment and inflation figures for NECTAs have been imputed without adjustment to the corresponding CBSAs (hence, at the highest level of aggregation to minimize errors).
Our study outlines several challenges faced in a fine-mapping exercise where one simply aims to meta-analyse existing GWAS that have been imputed against reference haplotypes from the 1KGP.
Since the number of employees were missing for a non-negligible part of the sample, values have been imputed using Poisson regressions for each country, where the predictor variables were a proprietary variable of Orbis that has four size categories according to several size measures (revenue, total assets, employees and whether the firm is listed) and industry dummies.
Noteworthy, when the 12 most resistant accessions (with I* value <27) were analyzed, 11 of them carried the combination of the "A" and "C" alleles (for Adair, the C allele at qBK4_31750955 has been imputed from neighbor markers, data not shown), suggesting that pyramiding of the two loci should provide effective levels of resistance.
