{ "_id": "6a18121eacfb0bcc41daead2", "Package": "hht", "Type": "Package", "Title": "The Hilbert-Huang Transform: Tools and Methods", "Version": "2.1.6", "Date": "2023-03-12", "Authors@R": "c(person(given=\"Daniel C.\",family=\"Bowman\", role=c(\"aut\", \"cre\"),\nemail=\"danny.c.bowman@gmail.com\"),\nperson(given=\"Jonathan M.\", family=\"Lees\", role=c(\"ctb\")))", "Description": "Builds on the EMD package to provide additional tools for\nempirical mode decomposition (EMD) and Hilbert spectral\nanalysis. It also implements the ensemble empirical\ndecomposition (EEMD) and the complete ensemble empirical mode\ndecomposition (CEEMD) methods to avoid mode mixing and\nintermittency problems found in EMD analysis. The package\ncomes with several plotting methods that can be used to view\nintrinsic mode functions, the HHT spectrum, and the Fourier\nspectrum.", "License": "GPL (>= 3)", "Maintainer": "Daniel C. Bowman ", "Author": "Daniel C. Bowman [aut, cre], Jonathan M. Lees [ctb]", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-28 09:56:33 UTC", "User": "root" }, "Repository": "https://dannycbowman.r-universe.dev", "Date/Publication": "2023-03-13 13:30:06 UTC", "RemoteUrl": "https://github.com/cran/hht", "RemoteRef": "HEAD", "RemoteSha": "493c5d0fbeaa2f530eb9e86010f485e6f7a2e176", "MD5sum": "f4499080d120e2efdb9e0f8282e378a5", "_user": "dannycbowman", "_type": "src", "_file": "hht_2.1.6.tar.gz", "_fileid": "a06321c7250e76a5b5023f68e1853fba5884f7de47731e4a5a922673480d592d", "_filesize": 273987, "_sha256": "a06321c7250e76a5b5023f68e1853fba5884f7de47731e4a5a922673480d592d", "_created": "2026-05-28T09:56:33.000Z", "_published": "2026-05-28T09:59:58.547Z", "_distro": "noble", "_jobs": [ { "job": 78266958902, "time": 116, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "NOTE", "artifact": "7262989003" }, { "job": 78266958923, "time": 110, "config": "linux-release-x86_64", "r": "4.6.0", "check": "NOTE", "artifact": "7262987407" }, { "job": 78266959010, "time": 171, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "NOTE", "artifact": "7262997513" }, { "job": 78266958913, "time": 113, "config": "macos-release-arm64", "r": "4.6.0", "check": "NOTE", "artifact": "7262982247" }, { "job": 78266565135, "time": 148, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7262950191" }, { "job": 78266958890, "time": 93, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7262981805" }, { "job": 78266958958, "time": 75, "config": "windows-devel", "r": "4.7.0", "check": "NOTE", "artifact": "7262975397" }, { "job": 78266958911, "time": 97, "config": "windows-oldrel", "r": "4.5.3", "check": "NOTE", "artifact": "7262983741" }, { "job": 78266958912, "time": 86, "config": "windows-release", "r": "4.6.0", "check": "NOTE", "artifact": "7262979593" } ], "_buildurl": "https://github.com/r-universe/dannycbowman/actions/runs/26567700167", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/cran/hht", "_commit": { "id": "493c5d0fbeaa2f530eb9e86010f485e6f7a2e176", "author": "Daniel C. 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"_releases": [ { "version": "1.0.0", "date": "2013-01-23" }, { "version": "2.0.0", "date": "2013-07-11" }, { "version": "2.0.1", "date": "2014-01-16" }, { "version": "2.0.2", "date": "2014-05-13" }, { "version": "2.1.0", "date": "2014-09-22" }, { "version": "2.1.1", "date": "2014-10-28" }, { "version": "2.1.2", "date": "2015-01-21" }, { "version": "2.1.3", "date": "2016-05-18" }, { "version": "2.1.4", "date": "2021-03-28" }, { "version": "2.1.5", "date": "2022-11-30" }, { "version": "2.1.6", "date": "2023-03-13" } ], "_exports": [ "CEEMD", "CombineTrials", "EEMD", "EEMDCompile", "EEMDResift", "EvolutiveFFT", "FTGramImage", "HHGramImage", "HHRender", "HHSpecPlot", "HHSpectrum", "HHTPackagePlotter", "HilbertEnvelope", "HilbertTransform", "InstantaneousFrequency", "PlotIMFs", "PrecisionTester", "Sig2IMF" ], "_datasets": [ { "name": "sig", "title": "Transitory Seismic Event at Deception Island Volcano", "object": "PortFosterEvent", "file": "PortFosterEvent.RData", "class": [ "numeric" ], 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spectrogram", "topics": [ "HHGramImage" ] }, { "page": "HHRender", "title": "Render Hilbert spectrogram", "topics": [ "HHRender" ] }, { "page": "HHSpecPlot", "title": "Display Hilbert periodogram", "topics": [ "HHSpecPlot" ] }, { "page": "HHSpectrum", "title": "Generate Hilbert spectrum", "topics": [ "HHSpectrum" ] }, { "page": "HHTPackagePlotter", "title": "Set up spectrogram figure", "topics": [ "HHTPackagePlotter" ] }, { "page": "HilbertEnvelope", "title": "Instantaneous amplitude", "topics": [ "HilbertEnvelope" ] }, { "page": "HilbertTransform", "title": "The Hilbert transform", "topics": [ "HilbertTransform" ] }, { "page": "InstantaneousFrequency", "title": "Derive instantaneous frequency", "topics": [ "InstantaneousFrequency" ] }, { "page": "PlotIMFs", "title": "Display IMFs", "topics": [ "PlotIMFs" ] }, { "page": "PrecisionTester", "title": "Test numerically determined instantaneous frequency against exact instantaneous frequency", "topics": [ "PrecisionTester" ] }, { "page": 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