2021
DOI: 10.1002/ppj2.20012
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Making waves in Breedbase: An integrated spectral data storage and analysis pipeline for plant breeding programs

Abstract: Visible and near-infrared spectroscopy (Vis-NIRS) is a promising tool for increasing phenotyping throughput in plant-breeding programs, but existing analysis software packages are not optimized for a breeding context. Additionally, commercial software options are often outside of budget constraints for some breeding and research programs. To that end, we developed an open-source R package, waves, for the streamlined analysis of spectral data with several cross-validation schemes to assess prediction accuracy. … Show more

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Cited by 15 publications
(20 citation statements)
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“…After data collection, all scans were filtered according to Mahalanobis distance. Samples with Mahalanobis distances greater than a cutoff set by a χ 2 -distribution with 331 degrees of freedom ( = 0.05) were removed from the analysis (Johnson & Wichern, 2007) using the waves R package version 0.1.1 (Hershberger et al, 2021) in R version 3.5.2 (R Core Team, 2018). In total, eight scans were removed through this procedure.…”
Section: Outlier Removal and Sample Aggregationmentioning
confidence: 99%
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“…After data collection, all scans were filtered according to Mahalanobis distance. Samples with Mahalanobis distances greater than a cutoff set by a χ 2 -distribution with 331 degrees of freedom ( = 0.05) were removed from the analysis (Johnson & Wichern, 2007) using the waves R package version 0.1.1 (Hershberger et al, 2021) in R version 3.5.2 (R Core Team, 2018). In total, eight scans were removed through this procedure.…”
Section: Outlier Removal and Sample Aggregationmentioning
confidence: 99%
“…Twelve combinations of common preprocessing methods including standard normal variate (Barnes et al, 1989), first and second derivatives, and Savitzky-Golay polynomial smoothing (Savitzky & Golay, 1964) were applied using the R package waves version 0.1.1 (Hershberger et al, 2021). No clear differences in model performance were found between raw and preprocessed data using any of the preprocessing methods for within-trial predictions (Supplemental Figure S2, Supplemental Table S2), thus raw data were used for all subsequent analyses.…”
Section: Spectral Preprocessingmentioning
confidence: 99%
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“…Prospector provides fast, reliable capture of scans for phenotype prediction with a simplified user interface. Data exported from Prospector follows community data standards and can be directly imported into the R/waves package developed by Hershberger et al (2021) that has been integrated into BreedBase, a popular breeding database (https://breedbase.org/). By combining these available analytical tools with our optimized mobile application, breeders will be able to rapidly adopt NIRS for phenotyping, thereby streamlining complex selection decisions and improving plant breeding productivity.…”
Section: Introductionmentioning
confidence: 99%