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  "Title": "Conducting the Peak Fitting Based on the EM Algorithm",
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  "Authors@R": "person(given = \"Tarojiro\", family = \"Matsumura\", role = c(\"aut\", \"cre\"), email = \"matsumura-tarojiro@aist.go.jp\")",
  "Description": "The peak fitting of spectral data is performed by using\nthe frame work of EM algorithm. We adapted the EM algorithm for\nthe peak fitting of spectral data set by considering the weight\nof the intensity corresponding to the measurement energy steps\n(Matsumura, T., Nagamura, N., Akaho, S., Nagata, K., & Ando, Y.\n(2019, 2021 and 2023) <doi:10.1080/14686996.2019.1620123>,\n<doi:10.1080/27660400.2021.1899449>\n<doi:10.1080/27660400.2022.2159753>. The package efficiently\nestimates the parameters of Gaussian mixture model during\niterative calculation between E-step and M-step, and the\nparameters are converged to a local optimal solution. This\npackage can support the investigation of peak shift with two\nadvantages: (1) a large amount of data can be processed at high\nspeed; and (2) stable and automatic calculation can be easily\nperformed.",
  "License": "MIT + file LICENSE",
  "Language": "en-US",
  "Encoding": "UTF-8",
  "RoxygenNote": "7.1.1",
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  "Packaged": {
    "Date": "2026-05-11 06:39:15 UTC",
    "User": "root"
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  "Author": "Tarojiro Matsumura [aut, cre]",
  "Maintainer": "Tarojiro Matsumura <matsumura-tarojiro@aist.go.jp>",
  "Repository": "https://matsumuratarojiro.r-universe.dev",
  "Date/Publication": "2023-03-29 12:40:02 UTC",
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    "spect_em_dsgmm",
    "spect_em_gmm",
    "spect_em_lmm",
    "spect_em_pvmm",
    "spect_em_pvmm_lback"
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      "page": "DSGMM_fitting_graph",
      "title": "Visualization of the result of spect_em_dsgmm",
      "topics": [
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      ]
    },
    {
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      "title": "Visualization of the result of spect_em_gmm",
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      ]
    },
    {
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      "title": "Visualization of the result of spect_em_lmm",
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      ]
    },
    {
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      "title": "Visualization of the result of spect_em_pvmm",
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    },
    {
      "page": "PVMM_lback_fitting_graph",
      "title": "Visualization of the result of spect_em_pvmm_lback",
      "topics": [
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      ]
    },
    {
      "page": "DSGMM",
      "title": "Spectrum adapted ECM algorithm by DSGMM",
      "topics": [
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    },
    {
      "page": "GMM",
      "title": "Spectrum adapted EM algorithm by GMM",
      "topics": [
        "spect_em_gmm"
      ]
    },
    {
      "page": "LMM",
      "title": "Spectrum adapted ECM algorithm by LMM",
      "topics": [
        "spect_em_lmm"
      ]
    },
    {
      "page": "PVMM",
      "title": "Spectrum adapted ECM algorithm by PVMM",
      "topics": [
        "spect_em_pvmm"
      ]
    },
    {
      "page": "PVMM_lback",
      "title": "Spectrum adapted ECM algorithm by PVMM with a linear background",
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      ]
    }
  ],
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