Package: SGP Type: Package Title: Student Growth Percentiles & Percentile Growth Trajectories Version: 2.3-0.1 Date: 2026-6-30 Authors@R: c(person(given=c("Damian", "W."), family="Betebenner", email="dbetebenner@nciea.org", role=c("aut", "cre"), comment=c(ORCID = "0000-0003-0476-5599")), person(given=c("Adam", "R."), family="Van Iwaarden", email="avaniwaarden@nciea.org", role="aut"), person(given="Ben", family="Domingue", email="ben.domingue@gmail.com", role="aut"), person(given="Yi", family="Shang", email="shangyi@gmail.com", role="aut"), person(given="Jonathan", family="Weeks", role="ctb"), person(given="John", family="Stewart", role="ctb"), person(given="Jinnie", family="Choi", role="ctb"), person(given="Xin", family="Wei", role="ctb"), person(given="Hi Shin", family="Shim", role="ctb"), person(given="Xiaoyuan", family="Tan", role="ctb", comment="Arizona Department of Education"), person(given="Carrie", family="Giovannini", role="ctb", comment="Arizona Department of Education"), person(given="Sarah", family="Polasky", role="ctb", comment="Arizona State University"), person(given="Rebecca", family="Gau", role="ctb", comment="Arizona Charter School Association"), person(given="Jeffrey", family="Dean", role="ctb", comment="University of Arkansas"), person(given="William", family="Bonk", role="ctb", comment="Colorado Department of Education"), person(given="Marie", family="Huchton", role="ctb", comment="Colorado Department of Education"), person(given="Allison", family="Timberlake", role="ctb", comment="Georgia Department of Education"), person(given="Qi", family="Qin", role="ctb", comment="Georgia Department of Education"), person(given="Melissa", family="Fincher", role="ctb", comment="Georgia Department of Education"), person(given="Kiran", family="Athota", role="ctb", comment="Georgia Department of Education"), person(given="Travis", family="Allen", role="ctb", comment="Georgia Department of Education"), person(given="Glenn", family="Hirata", role="ctb", 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comment="New Hampshire Department of Education"), person(given="Katya", family="Levitan-Reiner", role="ctb", comment="New Haven Public Schools"), person(given="Catherine", family="McCaslin", role="ctb", comment="New Haven Public Schools"), person(given="Joshua", family="Marland", role="ctb", comment="New York Education Department"), person(given="W Joshua", family="Rew", role="ctb", comment="Oregon Department of Education"), person(given="Jason", family="Becker", role="ctb", comment="Rhode Island Department of Education"), person(given="Jessica", family="Bailey", role="ctb", comment="Rhode Island Department of Education"), person(given="Ana", family="Karantonis", role="ctb", comment="Rhode Island Department of Education"), person(given="Deborah", family="Jonas", role="ctb", comment="Virginia Department of Education"), person(given="Juan", family="D'Brot", role="ctb", comment="West Virginia Department of Education"), person(given="Nate", family="Hixson", role="ctb", comment="West Virginia Department of Education"), person(given="Deb", family="Came", role="ctb", comment="Washington Office of Superintendent of Public Instruction"), person(given="Ashley", family="Colburn", role="ctb", comment="Washington Office of Superintendent of Public Instruction"), person(given="Nick", family="Hassell", role="ctb", comment="Washington Office of Superintendent of Public Instruction"), person(given="Krissy", family="Johnson", role="ctb", comment="Washington Office of Superintendent of Public Instruction"), person(given="Daniel", family="Bush", role="ctb", comment="Wisconsin Department of Education"), person(given="Justin", family="Meyer", role="ctb", comment="Wisconsin Department of Education"), person(given="Joseph", family="Newton", role="ctb", comment="Wisconsin Department of Education"), person(given="Nick", family="Stroud", role="ctb", comment="Wisconsin Department of Education"), person(given="John", family="Paul", role="ctb", comment="Wyoming Department of Education"), person(given="Michael", family="Flicek", role="ctb", comment="Michael Flicek Projects LLC working with Wyoming Department of Education"), person(given="Phyllis", family="Clay", role="ctb", comment="Albuquerque Public Schools"), person(given="Peter", family="Kinyua", role="ctb", comment="Albuquerque Public Schools"), person(given="Brendan", family="Houng", role="ctb", comment="University of Melbourne, Australia, NAPLAN"), person(given="Leslie", family="Rosale", role="ctb", comment="Ministry of Education, Guatemala"), person(given="Nathan", family="Wall", role="ctb", comment="eMetric working with Nevada Department of Education and South Dakota Department of Education"), person(given="Julia", family="English", role="ctb", comment="Massachusetts DESE"), person(given="Sarah Jo", family="Torgrimson", role="ctb", comment="Massachusetts DESE"), person(given="Narek", family="Sahakyan", role="ctb", comment="World Class Instruction and Design (WIDA)")) Maintainer: Damian W. Betebenner Depends: R (>= 4.2.0) Suggests: SGPdata (>= 28.0-0), knitr, rmarkdown Imports: Cairo, carrier, collapse, colorspace, crayon, curl, datasets, data.table (>= 1.14.0), digest, equate (>= 2.0-5), graphics, grid, grDevices, gridBase, gtools, jsonlite, matrixStats, methods, mirai, parallel, pkgsearch, quantreg, randomNames (>= 0.0-5), Rfast, rlang, sn (>= 1.0-0), splines, stats, svglite, toOrdinal, utils Description: An analytic framework for the calculation of norm- and criterion-referenced academic growth estimates using large scale, longitudinal education assessment data as developed in Betebenner (2009) . SystemRequirements: (PDF)LaTeX (https://www.latex-project.org/) with 'pdfpages' package for studentGrowthPlot option in visualizeSGP to bind together student growth plots into school catalogs URL: https://sgp.io, https://github.com/CenterForAssessment/SGP, https://CRAN.R-project.org/package=SGP BugReports: https://github.com/CenterForAssessment/SGP/issues VignetteBuilder: knitr LazyData: Yes LazyDataCompression: xz License: GPL-3 ByteCompile: TRUE Config/pak/sysreqs: libcairo2-dev libfontconfig1-dev libfreetype6-dev libfribidi-dev make libharfbuzz-dev texlive libicu-dev libpng-dev libssl-dev Repository: https://centerforassessment.r-universe.dev Date/Publication: 2026-07-03 14:31:50 UTC RemoteUrl: https://github.com/centerforassessment/sgp RemoteRef: HEAD RemoteSha: 107aff55aea1da01dfc15b6fc970a93905b02d46 NeedsCompilation: no Packaged: 2026-07-03 15:15:23 UTC; root Author: Damian W. Betebenner [aut, cre] (ORCID: ), Adam R. Van Iwaarden [aut], Ben Domingue [aut], Yi Shang [aut], Jonathan Weeks [ctb], John Stewart [ctb], Jinnie Choi [ctb], Xin Wei [ctb], Hi Shin Shim [ctb], Xiaoyuan Tan [ctb] (Arizona Department of Education), Carrie Giovannini [ctb] (Arizona Department of Education), Sarah Polasky [ctb] (Arizona State University), Rebecca Gau [ctb] (Arizona Charter School Association), Jeffrey Dean [ctb] (University of Arkansas), William Bonk [ctb] (Colorado Department of Education), Marie Huchton [ctb] (Colorado Department of Education), Allison Timberlake [ctb] (Georgia Department of Education), Qi Qin [ctb] (Georgia Department of Education), Melissa Fincher [ctb] (Georgia Department of Education), Kiran Athota [ctb] (Georgia Department of Education), Travis Allen [ctb] (Georgia Department of Education), Glenn Hirata [ctb] (Hawaii Department of Education), Glenn Nochi [ctb] (Hawaii Department of Education), Joshua Lee [ctb] (Hawaii Department of Education), Ayaka Nukui [ctb] (Idaho Department of Education), Carissa Miller [ctb] (Idaho Department of Education), Matthew Raimondi [ctb] (Elgin Area School District U46 (Illinois)), Wes Bruce [ctb] (Indiana Department of Education), Robert Hochsegang [ctb] (Indiana Department of Education), Tony Moss [ctb] (Kansas State Department of Education), Xuewen Sheng [ctb] (Kansas State Department of Education), Kathy Flanagan [ctb] (Massachusetts Department of Elementary and Secondary Education), Robert Lee [ctb] (Massachusetts Department of Elementary and Secondary Education), Ji Zeng [ctb] (Michigan Department of Education), Steve Viger [ctb] (Michigan Department of Education), Joe DeCastra [ctb] (Mississippi Department of Education), Ken Thompson [ctb] (Mississippi Department of Education), Soo Yeon Cho [ctb] (Missouri Department of Education), Jeff Halsell [ctb] (Clark County School District, Nevada), Selcuk Ozdemir [ctb] (Washoe County School District, Nevada), Roger Silva [ctb] (Nevada Department of Education), Deb Wiswell [ctb] (New Hampshire Department of Education), Katya Levitan-Reiner [ctb] (New Haven Public Schools), Catherine McCaslin [ctb] (New Haven Public Schools), Joshua Marland [ctb] (New York Education Department), W Joshua Rew [ctb] (Oregon Department of Education), Jason Becker [ctb] (Rhode Island Department of Education), Jessica Bailey [ctb] (Rhode Island Department of Education), Ana Karantonis [ctb] (Rhode Island Department of Education), Deborah Jonas [ctb] (Virginia Department of Education), Juan D'Brot [ctb] (West Virginia Department of Education), Nate Hixson [ctb] (West Virginia Department of Education), Deb Came [ctb] (Washington Office of Superintendent of Public Instruction), Ashley Colburn [ctb] (Washington Office of Superintendent of Public Instruction), Nick Hassell [ctb] (Washington Office of Superintendent of Public Instruction), Krissy Johnson [ctb] (Washington Office of Superintendent of Public Instruction), Daniel Bush [ctb] (Wisconsin Department of Education), Justin Meyer [ctb] (Wisconsin Department of Education), Joseph Newton [ctb] (Wisconsin Department of Education), Nick Stroud [ctb] (Wisconsin Department of Education), John Paul [ctb] (Wyoming Department of Education), Michael Flicek [ctb] (Michael Flicek Projects LLC working with Wyoming Department of Education), Phyllis Clay [ctb] (Albuquerque Public Schools), Peter Kinyua [ctb] (Albuquerque Public Schools), Brendan Houng [ctb] (University of Melbourne, Australia, NAPLAN), Leslie Rosale [ctb] (Ministry of Education, Guatemala), Nathan Wall [ctb] (eMetric working with Nevada Department of Education and South Dakota Department of Education), Julia English [ctb] (Massachusetts DESE), Sarah Jo Torgrimson [ctb] (Massachusetts DESE), Narek Sahakyan [ctb] (World Class Instruction and Design (WIDA))