{ "_id": "6ab11cc83d719c1f84087429", "Package": "BTYD", "Type": "Package", "Title": "Implementing BTYD Models with the Log Sum Exp Patch", "Version": "2.4.3", "Authors@R": "c(person(\"Lukasz\", \"Dziurzynski\", role=\"aut\"),\nperson(\"Edward\", \"Wadsworth\", role=\"aut\"),\nperson(\"Peter\", \"Fader\", role=\"ctb\"),\nperson(\"Elea\", \"McDonnell Feit\", role=\"ctb\"),\nperson(\"Daniel\", \"McCarthy\", role=c(\"aut\", \"ctb\")),\nperson(\"Bruce\", \"Hardie\", role=\"ctb\"),\nperson(\"Arun\", \"Gopalakrishnan\", role=\"ctb\"),\nperson(\"Eric\", \"Schwartz\", role=\"ctb\"),\nperson(\"Yao\", \"Zhang\", role=\"ctb\"),\nperson(\"Gabi\", \"Huiber\", role=c(\"ctb\", \"cre\"), email=\"ghuiber@gmail.com\"))", "Maintainer": "Gabi Huiber ", "BugReports": "https://github.com/ghuiber/BTYD/issues", "Description": "Functions for data preparation, parameter estimation,\nscoring, and plotting for the BG/BB (Fader, Hardie, and Shang\n2010 ), BG/NBD (Fader, Hardie, and\nLee 2005 ) and Pareto/NBD and\nGamma/Gamma (Fader, Hardie, and Lee 2005\n) models.", "License": "GPL-3", "Collate": "'data.R' 'BTYD.R' 'bgbb.R' 'bgnbd.R' 'pnbd.R' 'dc.R' 'spend.R'", "VignetteBuilder": "knitr, rmarkdown", "Author": "Lukasz Dziurzynski [aut], Edward Wadsworth [aut], Peter Fader\n[ctb], Elea McDonnell Feit [ctb], Daniel McCarthy [aut, ctb],\nBruce Hardie [ctb], Arun Gopalakrishnan [ctb], Eric Schwartz\n[ctb], Yao Zhang [ctb], Gabi Huiber [ctb, cre]", "NeedsCompilation": "no", "Encoding": "UTF-8", "RoxygenNote": "7.1.2", "Roxygen": "list(markdown = TRUE)", "Config/pak/sysreqs": "cmake pari-gp", "Repository": "https://ghuiber.r-universe.dev", "Date/Publication": "2022-03-28 22:43:08 UTC", "RemoteUrl": "https://github.com/ghuiber/btyd", "RemoteRef": "HEAD", "RemoteSha": "317b09e4aea5fd85250a4a8f54288932511c1a56", "Packaged": { "Date": "2026-09-21 11:49:38 UTC", "User": "root" }, "_user": "ghuiber", "_type": "src", "_file": "BTYD_2.4.3.tar.gz", "_fileid": 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"bgbb.PosteriorMeanLmProductMoment", "bgbb.PosteriorMeanTransactionRate", "bgbb.rf.matrix.DERT", "bgbb.rf.matrix.LL", "bgbb.rf.matrix.PosteriorMeanDropoutRate", "bgbb.rf.matrix.PosteriorMeanTransactionRate", "bgnbd.cbs.LL", "bgnbd.ConditionalExpectedTransactions", "bgnbd.EstimateParameters", "bgnbd.Expectation", "bgnbd.ExpectedCumulativeTransactions", "bgnbd.generalParams", "bgnbd.LL", "bgnbd.PAlive", "bgnbd.PlotDropoutRateHeterogeneity", "bgnbd.PlotFrequencyInCalibration", "bgnbd.PlotFreqVsConditionalExpectedFrequency", "bgnbd.PlotRecVsConditionalExpectedFrequency", "bgnbd.PlotTrackingCum", "bgnbd.PlotTrackingInc", "bgnbd.PlotTransactionRateHeterogeneity", "bgnbd.pmf", "bgnbd.pmf.General", "dc.BuildCBSFromCBTAndDates", "dc.BuildCBTFromElog", "dc.check.model.params", "dc.compress.cbs", "dc.CreateFreqCBT", "dc.CreateReachCBT", "dc.CreateSpendCBT", "dc.CumulativeToIncremental", "dc.DissipateElog", "dc.ElogToCbsCbt", "dc.FilterCustByBirth", "dc.GetFirstPurchasePeriodsFromCBT", "dc.GetLastPurchasePeriodsFromCBT", "dc.InputCheck", "dc.MakeRFmatrixCal", "dc.MakeRFmatrixHoldout", "dc.MakeRFmatrixSkeleton", "dc.MergeCustomers", "dc.MergeTransactionsOnSameDate", "dc.PlotLogLikelihoodContour", "dc.PlotLogLikelihoodContours", "dc.ReadLines", "dc.RemoveTimeBetween", "dc.SplitUpElogForRepeatTrans", "dc.WriteLine", "h2f1", "pnbd.cbs.LL", "pnbd.ConditionalExpectedTransactions", "pnbd.DERT", "pnbd.EstimateParameters", "pnbd.Expectation", "pnbd.ExpectedCumulativeTransactions", "pnbd.generalParams", "pnbd.LL", "pnbd.PAlive", "pnbd.Plot.DERT", "pnbd.PlotDropoutRateHeterogeneity", "pnbd.PlotFrequencyInCalibration", "pnbd.PlotFreqVsConditionalExpectedFrequency", "pnbd.PlotRateHeterogeneity", "pnbd.PlotRecVsConditionalExpectedFrequency", "pnbd.PlotTrackingCum", "pnbd.PlotTrackingInc", "pnbd.PlotTransactionRateHeterogeneity", "pnbd.pmf", "pnbd.pmf.General", "spend.EstimateParameters", "spend.expected.value", "spend.generalParams", "spend.LL", "spend.marginal.likelihood", "spend.plot.average.transaction.value" ], "_datasets": [ { "name": "cdnowElog", "title": "CDNOW event log data", "object": "cdnowElog", "file": "cdnowElog.csv.gz", "class": [ "data.frame" ], "fields": [ "masterid.sampleid.date.cds.sales" ], "rows": 6919, "table": true, "tojson": true }, { "name": "cdnowSummary", "title": "CDNOW repeat transaction data summary", "object": "cdnowSummary", "file": "cdnowSummary.RData", "class": [ "list" ], "fields": [], "table": false, "tojson": true }, { "name": "discreteSimElog", "title": "Discrete simulated annual event log data", "object": "discreteSimElog", "file": "discreteSimElog.csv.gz", "class": [ "data.frame" ], "fields": [ "cust.date" ], "rows": 52432, "table": true, "tojson": true }, { "name": "donationsSummary", "title": "Discrete donation data summary", "object": "donationsSummary", "file": "donationsSummary.RData", "class": [ "list" ], "fields": [], "table": false, "tojson": true } ], "_help": [ { "page": "BTYD-package", "title": "This project was funded and sponsored by Wharton Customer Analytics.", "topics": [ "BTYD-package", "BTYD" ] }, { "page": "addLogs", "title": "Add Logs", "topics": [ "addLogs" ] }, { "page": "bgbb.ConditionalExpectedTransactions", "title": "BG/BB Conditional Expected Transactions", "topics": [ "bgbb.ConditionalExpectedTransactions" ] }, { "page": "bgbb.DERT", "title": "BG/BB Discounted Expected Residual Transactions", "topics": [ "bgbb.DERT" ] }, { "page": "bgbb.EstimateParameters", "title": "BG/BB Parameter estimation", "topics": [ "bgbb.EstimateParameters" ] }, { "page": "bgbb.Expectation", "title": "BG/BB Expectation", "topics": [ "bgbb.Expectation" ] }, { "page": "bgbb.HeatmapHoldoutExpectedTrans", "title": "BG/BB Heatmap of Holdout Period Expected Transactions", "topics": [ "bgbb.HeatmapHoldoutExpectedTrans" ] }, { "page": "bgbb.LL", "title": "BG/BB Log-Likelihood", "topics": [ "bgbb.LL" ] }, { "page": "bgbb.PAlive", "title": "BG/BB P(Alive)", "topics": [ "bgbb.PAlive" ] }, { "page": "bgbb.PlotDropoutRateHeterogeneity", "title": "BG/BB Plot Dropout Rate Heterogeneity", "topics": [ "bgbb.PlotDropoutRateHeterogeneity" ] }, { "page": "bgbb.PlotFrequencyInCalibration", "title": "BG/BB Plot Frequency in Calibration Period", "topics": [ "bgbb.PlotFrequencyInCalibration" ] }, { "page": "bgbb.PlotFrequencyInHoldout", "title": "BG/BB Plot Frequency in Holdout", "topics": [ "bgbb.PlotFrequencyInHoldout" ] }, { "page": "bgbb.PlotFreqVsConditionalExpectedFrequency", "title": "BG/BB Plot Frequency vs Conditional Expected Frequency", "topics": [ "bgbb.PlotFreqVsConditionalExpectedFrequency" ] }, { "page": "bgbb.PlotRecVsConditionalExpectedFrequency", "title": "BG/BB Plot Recency vs Conditional Expected Frequency", "topics": [ "bgbb.PlotRecVsConditionalExpectedFrequency" ] }, { "page": "bgbb.PlotTrackingCum", "title": "BG/BB Tracking Cumulative Transactions Plot", "topics": [ "bgbb.PlotTrackingCum" ] }, { "page": "bgbb.PlotTrackingInc", "title": "BG/BB Tracking Incremental Transactions Plot", "topics": [ "bgbb.PlotTrackingInc" ] }, { "page": "bgbb.PlotTransactionRateHeterogeneity", "title": "BG/BB Plot Transaction Rate Heterogeneity", "topics": [ "bgbb.PlotTransactionRateHeterogeneity" ] }, { "page": "bgbb.pmf", "title": "BG/BB Probability Mass Function", "topics": [ "bgbb.pmf" ] }, { "page": "bgbb.pmf.General", "title": "BG/BB General Probability Mass Function", "topics": [ "bgbb.pmf.General" ] }, { "page": "bgbb.PosteriorMeanDropoutRate", "title": "BG/BB Posterior Mean Dropout Rate", "topics": [ "bgbb.PosteriorMeanDropoutRate" ] }, { "page": "bgbb.PosteriorMeanLmProductMoment", "title": "BG/BB Posterior Mean (l,m)th Product Moment", "topics": [ "bgbb.PosteriorMeanLmProductMoment" ] }, { "page": "bgbb.PosteriorMeanTransactionRate", "title": "BG/BB Posterior Mean Transaction Rate", "topics": [ "bgbb.PosteriorMeanTransactionRate" ] }, { "page": "bgbb.rf.matrix.DERT", "title": "BG/BB Discounted Expected Residual Transactions using a recency-frequency matrix", "topics": [ "bgbb.rf.matrix.DERT" ] }, { "page": "bgbb.rf.matrix.LL", "title": "BG/BB Log-Likelihood using a recency-frequency matrix", "topics": [ "bgbb.rf.matrix.LL" ] }, { "page": "bgbb.rf.matrix.PosteriorMeanDropoutRate", "title": "BG/BB Posterior Mean Dropout Rate using a recency-frequency matrix", "topics": [ "bgbb.rf.matrix.PosteriorMeanDropoutRate" ] }, { "page": "bgbb.rf.matrix.PosteriorMeanTransactionRate", "title": "BG/BB Posterior Mean Transaction Rate using a recency-frequency matrix", "topics": [ "bgbb.rf.matrix.PosteriorMeanTransactionRate" ] }, { "page": "bgnbd.cbs.LL", "title": "BG/NBD Log-Likelihood Wrapper", "topics": [ "bgnbd.cbs.LL" ] }, { "page": "bgnbd.ConditionalExpectedTransactions", "title": "BG/NBD Conditional Expected Transactions", "topics": [ "bgnbd.ConditionalExpectedTransactions" ] }, { "page": "bgnbd.EstimateParameters", "title": "BG/NBD Parameter Estimation", "topics": [ "bgnbd.EstimateParameters" ] }, { "page": "bgnbd.Expectation", "title": "BG/NBD Expectation", "topics": [ "bgnbd.Expectation" ] }, { "page": "bgnbd.ExpectedCumulativeTransactions", "title": "BG/NBD Expected Cumulative Transactions", "topics": [ "bgnbd.ExpectedCumulativeTransactions" ] }, { "page": "bgnbd.generalParams", "title": "Define general parameters", "topics": [ "bgnbd.generalParams" ] }, { "page": "bgnbd.LL", "title": "BG/NBD Log-Likelihood", "topics": [ "bgnbd.LL" ] }, { "page": "bgnbd.PAlive", "title": "BG/NBD P(Alive)", "topics": [ "bgnbd.PAlive" ] }, { "page": "bgnbd.PlotDropoutRateHeterogeneity", "title": "BG/NBD Plot Dropout Probability Heterogeneity", "topics": [ "bgnbd.PlotDropoutRateHeterogeneity" ] }, { "page": "bgnbd.PlotFrequencyInCalibration", "title": "BG/NBD Plot Frequency in Calibration Period", "topics": [ "bgnbd.PlotFrequencyInCalibration" ] }, { "page": "bgnbd.PlotFreqVsConditionalExpectedFrequency", "title": "BG/NBD Plot Frequency vs. Conditional Expected Frequency", "topics": [ "bgnbd.PlotFreqVsConditionalExpectedFrequency" ] }, { "page": "bgnbd.PlotRecVsConditionalExpectedFrequency", "title": "BG/NBD Plot Actual vs. Conditional Expected Frequency by Recency", "topics": [ "bgnbd.PlotRecVsConditionalExpectedFrequency" ] }, { "page": "bgnbd.PlotTrackingCum", "title": "BG/NBD Tracking Cumulative Transactions Plot", "topics": [ "bgnbd.PlotTrackingCum" ] }, { "page": "bgnbd.PlotTrackingInc", "title": "BG/NBD Tracking Incremental Transactions Comparison", "topics": [ "bgnbd.PlotTrackingInc" ] }, { "page": "bgnbd.PlotTransactionRateHeterogeneity", "title": "BG/NBD Plot Transaction Rate Heterogeneity", "topics": [ "bgnbd.PlotTransactionRateHeterogeneity" ] }, { "page": "bgnbd.pmf", "title": "BG/NBD Probability Mass Function", "topics": [ "bgnbd.pmf" ] }, { "page": "bgnbd.pmf.General", "title": "Generalized BG/NBD Probability Mass Function", "topics": [ "bgnbd.pmf.General" ] }, { "page": "cdnowElog", "title": "CDNOW event log data", "topics": [ "cdnowElog" ] }, { "page": "cdnowSummary", "title": "CDNOW repeat transaction data summary", "topics": [ "cdnowSummary" ] }, { "page": "dc.BuildCBSFromCBTAndDates", "title": "Build CBS matrix from CBT matrix", "topics": [ "dc.BuildCBSFromCBTAndDates" ] }, { "page": "dc.BuildCBTFromElog", "title": "Build Customer-by-Time Matrix from Event Log", "topics": [ "dc.BuildCBTFromElog" ] }, { "page": "dc.check.model.params", "title": "Check model params", "topics": [ "dc.check.model.params" ] }, { "page": "dc.compress.cbs", "title": "Compress Customer-by-Sufficient-Statistic (CBS) Matrix", "topics": [ "dc.compress.cbs" ] }, { "page": "dc.CreateFreqCBT", "title": "Create Frequency Customer-by-Time Matrix", "topics": [ "dc.CreateFreqCBT" ] }, { "page": "dc.CreateReachCBT", "title": "Create Reach Customer-by-Time Matrix", "topics": [ "dc.CreateReachCBT" ] }, { "page": "dc.CreateSpendCBT", "title": "Create Spend Customer-by-Time Matrix", "topics": [ "dc.CreateSpendCBT" ] }, { "page": "dc.CumulativeToIncremental", "title": "Cumulative to Incremental", "topics": [ "dc.CumulativeToIncremental" ] }, { "page": "dc.DissipateElog", "title": "Dissipate Event Log", "topics": [ "dc.DissipateElog" ] }, { "page": "dc.ElogToCbsCbt", "title": "Convert Event Log to CBS and CBT Matrices", "topics": [ "dc.ElogToCbsCbt" ] }, { "page": "dc.FilterCustByBirth", "title": "Filter Customer by Birth", "topics": [ "dc.FilterCustByBirth" ] }, { "page": "dc.GetFirstPurchasePeriodsFromCBT", "title": "Get First Purchase Periods from Customer-by-Time Matrix", "topics": [ "dc.GetFirstPurchasePeriodsFromCBT" ] }, { "page": "dc.GetLastPurchasePeriodsFromCBT", "title": "Get Last Purchase Periods from Customer-by-Time Matrix", "topics": [ "dc.GetLastPurchasePeriodsFromCBT" ] }, { "page": "dc.InputCheck", "title": "Check the inputs to functions that use this common pattern", "topics": [ "dc.InputCheck" ] }, { "page": "dc.MakeRFmatrixCal", "title": "Make Calibration Period Recency-Frequency Matrix", "topics": [ "dc.MakeRFmatrixCal" ] }, { "page": "dc.MakeRFmatrixHoldout", "title": "Make Holdout Period Recency-Frequency Matrix", "topics": [ "dc.MakeRFmatrixHoldout" ] }, { "page": "dc.MakeRFmatrixSkeleton", "title": "Make Recency-Frequency Matrix Skeleton", "topics": [ "dc.MakeRFmatrixSkeleton" ] }, { "page": "dc.MergeCustomers", "title": "Merge Customers", "topics": [ "dc.MergeCustomers" ] }, { "page": "dc.MergeTransactionsOnSameDate", "title": "Merge Transactions on Same Day", "topics": [ "dc.MergeTransactionsOnSameDate" ] }, { "page": "dc.PlotLogLikelihoodContour", "title": "Plot Log-Likelihood Contour", "topics": [ "dc.PlotLogLikelihoodContour" ] }, { "page": "dc.PlotLogLikelihoodContours", "title": "Plot Log-Likelihood Contours", "topics": [ "dc.PlotLogLikelihoodContours" ] }, { "page": "dc.ReadLines", "title": "Read Lines", "topics": [ "dc.ReadLines" ] }, { "page": "dc.RemoveTimeBetween", "title": "Remove Time Between", "topics": [ "dc.RemoveTimeBetween" ] }, { "page": "dc.SplitUpElogForRepeatTrans", "title": "Split Up Event Log for Repeat Transactions", "topics": [ "dc.SplitUpElogForRepeatTrans" ] }, { "page": "dc.WriteLine", "title": "Write Line", "topics": [ "dc.WriteLine" ] }, { "page": "discreteSimElog", "title": "Discrete simulated annual event log data", "topics": [ "discreteSimElog" ] }, { "page": "donationsSummary", "title": "Discrete donation data summary", "topics": [ "donationsSummary" ] }, { "page": "h2f1", "title": "Use Bruce Hardie's Gaussian hypergeometric implementation", "topics": [ "h2f1" ] }, { "page": "pnbd.cbs.LL", "title": "Pareto/NBD Log-Likelihood", "topics": [ "pnbd.cbs.LL" ] }, { "page": "pnbd.ConditionalExpectedTransactions", "title": "Pareto/NBD Conditional Expected Transactions", "topics": [ "pnbd.ConditionalExpectedTransactions" ] }, { "page": "pnbd.DERT", "title": "Pareto/NBD Discounted Expected Residual Transactions", "topics": [ "pnbd.DERT" ] }, { "page": "pnbd.EstimateParameters", "title": "Pareto/NBD Parameter Estimation", "topics": [ "pnbd.EstimateParameters" ] }, { "page": "pnbd.Expectation", "title": "Pareto/NBD Expectation", "topics": [ "pnbd.Expectation" ] }, { "page": "pnbd.ExpectedCumulativeTransactions", "title": "Pareto/NBD Expected Cumulative Transactions", "topics": [ "pnbd.ExpectedCumulativeTransactions" ] }, { "page": "pnbd.generalParams", "title": "Define general parameters", "topics": [ "pnbd.generalParams" ] }, { "page": "pnbd.LL", "title": "Pareto/NBD Log-Likelihood", "topics": [ "pnbd.LL" ] }, { "page": "pnbd.PAlive", "title": "Pareto/NBD P(Alive)", "topics": [ "pnbd.PAlive" ] }, { "page": "pnbd.Plot.DERT", "title": "Pareto/NBD Plot Discounted Expected Residual Transactions", "topics": [ "pnbd.Plot.DERT" ] }, { "page": "pnbd.PlotDropoutRateHeterogeneity", "title": "Pareto/NBD Plot Dropout Rate Heterogeneity", "topics": [ "pnbd.PlotDropoutRateHeterogeneity" ] }, { "page": "pnbd.PlotFrequencyInCalibration", "title": "Pareto/NBD Plot Frequency in Calibration Period", "topics": [ "pnbd.PlotFrequencyInCalibration" ] }, { "page": "pnbd.PlotFreqVsConditionalExpectedFrequency", "title": "Pareto/NBD Plot Frequency vs. Conditional Expected Frequency", "topics": [ "pnbd.PlotFreqVsConditionalExpectedFrequency" ] }, { "page": "pnbd.PlotRateHeterogeneity", "title": "Plot Pareto/NBD Rate Heterogeneity", "topics": [ "pnbd.PlotRateHeterogeneity" ] }, { "page": "pnbd.PlotRecVsConditionalExpectedFrequency", "title": "Pareto/NBD Plot Actual vs. Conditional Expected Frequency by Recency", "topics": [ "pnbd.PlotRecVsConditionalExpectedFrequency" ] }, { "page": "pnbd.PlotTrackingCum", "title": "Pareto/NBD Tracking Cumulative Transactions Plot", "topics": [ "pnbd.PlotTrackingCum" ] }, { "page": "pnbd.PlotTrackingInc", "title": "Pareto/NBD Tracking Incremental Transactions Comparison", "topics": [ "pnbd.PlotTrackingInc" ] }, { "page": "pnbd.PlotTransactionRateHeterogeneity", "title": "Pareto/NBD Plot Transaction Rate Heterogeneity", "topics": [ "pnbd.PlotTransactionRateHeterogeneity" ] }, { "page": "pnbd.pmf", "title": "Pareto/NBD Probability Mass Function", "topics": [ "pnbd.pmf" ] }, { "page": "pnbd.pmf.General", "title": "Generalized Pareto/NBD Probability Mass Function", "topics": [ "pnbd.pmf.General" ] }, { "page": "spend.EstimateParameters", "title": "Spend Parameter Estimation", "topics": [ "spend.EstimateParameters" ] }, { "page": "spend.expected.value", "title": "Conditional expected transaction value", "topics": [ "spend.expected.value" ] }, { "page": "spend.generalParams", "title": "Define general parameters", "topics": [ "spend.generalParams" ] }, { "page": "spend.LL", "title": "Spend Log-Likelihood", "topics": [ "spend.LL" ] }, { "page": "spend.marginal.likelihood", "title": "Gamma-gamma marginal likelihood", "topics": [ "spend.marginal.likelihood" ] }, { "page": "spend.plot.average.transaction.value", "title": "Plot Actual vs. Expected Average Transaction Value", "topics": [ "spend.plot.average.transaction.value" ] }, { "page": "subLogs", "title": "Subtract Logs", "topics": [ "subLogs" 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