{
  "_id": "6a1f1f39b401979e734200f0",
  "Package": "metANN",
  "Title": "Metaheuristic and Gradient-Based Optimization for Neural Network\nTraining and Continuous Problems",
  "Version": "0.1.0",
  "Authors@R": "c(\nperson(given = \"Burak\",\nfamily = \"Dilber\",\nemail = \"burakdilber91@gmail.com\",\nrole = c(\"aut\", \"cre\", \"cph\")),\nperson(given = \"A. Fırat\",\nfamily = \"Özdemir\",\nrole = c(\"aut\", \"ths\"))\n)",
  "Description": "Provides tools for general-purpose continuous optimization\nand feed-forward artificial neural network training using\nmetaheuristic and gradient-based optimization algorithms. The\npackage supports benchmark function optimization, regression,\nbinary classification, and multi-class classification with\nmultilayer perceptrons. The package implements several\noptimization methods, including particle swarm optimization\nKennedy and Eberhart (1995) <doi:10.1109/ICNN.1995.488968>,\ndifferential evolution Storn and Price (1997)\n<doi:10.1023/A:1008202821328>, grey wolf optimizer Mirjalili et\nal. (2014) <doi:10.1016/j.advengsoft.2013.12.007>, secretary\nbird optimization Fu et al. (2024)\n<doi:10.1007/s10462-024-10729-y>, and Adam Kingma and Ba (2015)\n<doi:10.48550/arXiv.1412.6980>.",
  "License": "MIT + file LICENSE",
  "Encoding": "UTF-8",
  "Roxygen": "list(markdown = TRUE)",
  "RoxygenNote": "7.3.3",
  "URL": "https://github.com/burakdilber/metANN",
  "BugReports": "https://github.com/burakdilber/metANN/issues",
  "Repository": "https://burakdilber.r-universe.dev",
  "Date/Publication": "2026-05-11 19:24:34 UTC",
  "RemoteUrl": "https://github.com/burakdilber/metann",
  "RemoteRef": "HEAD",
  "RemoteSha": "9fa689ff6ec12805ee5c24951e8b1bfed6030a4a",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-16 08:07:14 UTC",
    "User": "root"
  },
  "Author": "Burak Dilber [aut, cre, cph],\nA. Fırat Özdemir [aut, ths]",
  "Maintainer": "Burak Dilber <burakdilber91@gmail.com>",
  "MD5sum": "7939f3320f3177e70ea6dc45ea219423",
  "_user": "burakdilber",
  "_type": "src",
  "_file": "metANN_0.1.0.tar.gz",
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  "_created": "2026-05-16T08:07:14.000Z",
  "_published": "2026-06-02T18:21:45.476Z",
  "_distro": "noble",
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    "author": "Burak Dilber <burakdilber91@gmail.com>",
    "committer": "Burak Dilber <burakdilber91@gmail.com>",
    "message": "Use arXiv DOI format in DESCRIPTION\n",
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    "login": "burakdilber",
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      "n": 5
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    "description": "Data Science | Statistics | Machine Learning | Deep Learning | Business Analysis | useR!"
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  "_exports": [
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    "activation_linear",
    "activation_relu",
    "activation_sigmoid",
    "activation_softmax",
    "activation_tanh",
    "as_activation",
    "as_loss",
    "as_metric",
    "as_metrics",
    "as_optimizer",
    "available_activations",
    "available_gradient_optimizers",
    "available_losses",
    "available_metaheuristics",
    "available_metrics",
    "available_optimizers",
    "count_parameters",
    "decode_weights",
    "dense_layer",
    "evaluate",
    "forward_pass",
    "initialize_weights",
    "is_activation",
    "is_architecture",
    "is_dense_layer",
    "is_layer",
    "is_loss",
    "is_metric",
    "is_mlp_architecture",
    "is_optimizer",
    "loss_binary_crossentropy",
    "loss_crossentropy",
    "loss_huber",
    "loss_log_cosh",
    "loss_mae",
    "loss_mse",
    "met_mlp",
    "met_optimize",
    "metann",
    "metric_accuracy",
    "metric_f1",
    "metric_mae",
    "metric_mse",
    "metric_precision",
    "metric_r2",
    "metric_recall",
    "metric_rmse",
    "mlp_architecture",
    "optimizer_abc",
    "optimizer_adam",
    "optimizer_de",
    "optimizer_ga",
    "optimizer_gwo",
    "optimizer_hybrid",
    "optimizer_info",
    "optimizer_pso",
    "optimizer_sboa",
    "optimizer_sgd",
    "optimizer_tlbo",
    "optimizer_woa",
    "plot_network"
  ],
  "_help": [
    {
      "page": "activation_leaky_relu",
      "title": "Leaky Rectified Linear Unit Activation Function",
      "topics": [
        "activation_leaky_relu"
      ]
    },
    {
      "page": "activation_linear",
      "title": "Linear Activation Function",
      "topics": [
        "activation_linear"
      ]
    },
    {
      "page": "activation_relu",
      "title": "Rectified Linear Unit Activation Function",
      "topics": [
        "activation_relu"
      ]
    },
    {
      "page": "activation_sigmoid",
      "title": "Sigmoid Activation Function",
      "topics": [
        "activation_sigmoid"
      ]
    },
    {
      "page": "activation_softmax",
      "title": "Softmax Activation Function",
      "topics": [
        "activation_softmax"
      ]
    },
    {
      "page": "activation_tanh",
      "title": "Hyperbolic Tangent Activation Function",
      "topics": [
        "activation_tanh"
      ]
    },
    {
      "page": "as_activation",
      "title": "Convert Character Input to an Activation Object",
      "topics": [
        "as_activation"
      ]
    },
    {
      "page": "as_loss",
      "title": "Convert Character Input to a Loss Object",
      "topics": [
        "as_loss"
      ]
    },
    {
      "page": "as_metric",
      "title": "Convert Character Input to a Metric Object",
      "topics": [
        "as_metric"
      ]
    },
    {
      "page": "as_metrics",
      "title": "Convert Multiple Inputs to Metric Objects",
      "topics": [
        "as_metrics"
      ]
    },
    {
      "page": "as_optimizer",
      "title": "Convert Character Input to an Optimizer Object",
      "topics": [
        "as_optimizer"
      ]
    },
    {
      "page": "available_activations",
      "title": "List Available Activation Functions",
      "topics": [
        "available_activations"
      ]
    },
    {
      "page": "available_gradient_optimizers",
      "title": "List Available Gradient-Based Optimizers",
      "topics": [
        "available_gradient_optimizers"
      ]
    },
    {
      "page": "available_losses",
      "title": "List Available Loss Functions",
      "topics": [
        "available_losses"
      ]
    },
    {
      "page": "available_metaheuristics",
      "title": "List Available Metaheuristic Optimizers",
      "topics": [
        "available_metaheuristics"
      ]
    },
    {
      "page": "available_metrics",
      "title": "List Available Performance Metrics",
      "topics": [
        "available_metrics"
      ]
    },
    {
      "page": "available_optimizers",
      "title": "List Available Optimizers",
      "topics": [
        "available_optimizers"
      ]
    },
    {
      "page": "coef.met_optimize_result",
      "title": "Extract the Best Parameters from a metANN Optimization Result",
      "topics": [
        "coef.met_optimize_result"
      ]
    },
    {
      "page": "coef.metann",
      "title": "Extract Weights from a metANN Model",
      "topics": [
        "coef.metann"
      ]
    },
    {
      "page": "count_parameters",
      "title": "Count the Number of Trainable Parameters in an MLP Architecture",
      "topics": [
        "count_parameters"
      ]
    },
    {
      "page": "decode_weights",
      "title": "Decode an MLP Weight Vector",
      "topics": [
        "decode_weights"
      ]
    },
    {
      "page": "dense_layer",
      "title": "Create a Dense Layer",
      "topics": [
        "dense_layer"
      ]
    },
    {
      "page": "evaluate",
      "title": "Evaluate a metANN Model",
      "topics": [
        "evaluate"
      ]
    },
    {
      "page": "forward_pass",
      "title": "Forward Pass for an MLP",
      "topics": [
        "forward_pass"
      ]
    },
    {
      "page": "initialize_weights",
      "title": "Initialize MLP Weights",
      "topics": [
        "initialize_weights"
      ]
    },
    {
      "page": "is_activation",
      "title": "Check Whether an Object is a metANN Activation",
      "topics": [
        "is_activation"
      ]
    },
    {
      "page": "is_architecture",
      "title": "Check Whether an Object is a metANN Architecture",
      "topics": [
        "is_architecture"
      ]
    },
    {
      "page": "is_dense_layer",
      "title": "Check Whether an Object is a Dense Layer",
      "topics": [
        "is_dense_layer"
      ]
    },
    {
      "page": "is_layer",
      "title": "Check Whether an Object is a metANN Layer",
      "topics": [
        "is_layer"
      ]
    },
    {
      "page": "is_loss",
      "title": "Check Whether an Object is a metANN Loss",
      "topics": [
        "is_loss"
      ]
    },
    {
      "page": "is_metric",
      "title": "Check Whether an Object is a metANN Metric",
      "topics": [
        "is_metric"
      ]
    },
    {
      "page": "is_mlp_architecture",
      "title": "Check Whether an Object is an MLP Architecture",
      "topics": [
        "is_mlp_architecture"
      ]
    },
    {
      "page": "is_optimizer",
      "title": "Check Whether an Object is a metANN Optimizer",
      "topics": [
        "is_optimizer"
      ]
    },
    {
      "page": "loss_binary_crossentropy",
      "title": "Binary Cross-Entropy Loss",
      "topics": [
        "loss_binary_crossentropy"
      ]
    },
    {
      "page": "loss_crossentropy",
      "title": "Categorical Cross-Entropy Loss",
      "topics": [
        "loss_crossentropy"
      ]
    },
    {
      "page": "loss_huber",
      "title": "Huber Loss",
      "topics": [
        "loss_huber"
      ]
    },
    {
      "page": "loss_log_cosh",
      "title": "Log-Cosh Loss",
      "topics": [
        "loss_log_cosh"
      ]
    },
    {
      "page": "loss_mae",
      "title": "Mean Absolute Error Loss",
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        "loss_mae"
      ]
    },
    {
      "page": "loss_mse",
      "title": "Mean Squared Error Loss",
      "topics": [
        "loss_mse"
      ]
    },
    {
      "page": "met_mlp",
      "title": "Train a Feed-Forward Multilayer Perceptron",
      "topics": [
        "met_mlp"
      ]
    },
    {
      "page": "met_optimize",
      "title": "General-Purpose Optimization",
      "topics": [
        "met_optimize"
      ]
    },
    {
      "page": "metann",
      "title": "Train an Artificial Neural Network with metANN",
      "topics": [
        "metann"
      ]
    },
    {
      "page": "metric_accuracy",
      "title": "Accuracy Metric",
      "topics": [
        "metric_accuracy"
      ]
    },
    {
      "page": "metric_f1",
      "title": "F1 Score Metric",
      "topics": [
        "metric_f1"
      ]
    },
    {
      "page": "metric_mae",
      "title": "Mean Absolute Error Metric",
      "topics": [
        "metric_mae"
      ]
    },
    {
      "page": "metric_mse",
      "title": "Mean Squared Error Metric",
      "topics": [
        "metric_mse"
      ]
    },
    {
      "page": "metric_precision",
      "title": "Precision Metric",
      "topics": [
        "metric_precision"
      ]
    },
    {
      "page": "metric_r2",
      "title": "Coefficient of Determination Metric",
      "topics": [
        "metric_r2"
      ]
    },
    {
      "page": "metric_recall",
      "title": "Recall Metric",
      "topics": [
        "metric_recall"
      ]
    },
    {
      "page": "metric_rmse",
      "title": "Root Mean Squared Error Metric",
      "topics": [
        "metric_rmse"
      ]
    },
    {
      "page": "mlp_architecture",
      "title": "Create an MLP Architecture",
      "topics": [
        "mlp_architecture"
      ]
    },
    {
      "page": "optimizer_abc",
      "title": "Artificial Bee Colony Optimizer",
      "topics": [
        "optimizer_abc"
      ]
    },
    {
      "page": "optimizer_adam",
      "title": "Adam Optimizer",
      "topics": [
        "optimizer_adam"
      ]
    },
    {
      "page": "optimizer_de",
      "title": "Differential Evolution Optimizer",
      "topics": [
        "optimizer_de"
      ]
    },
    {
      "page": "optimizer_ga",
      "title": "Genetic Algorithm Optimizer",
      "topics": [
        "optimizer_ga"
      ]
    },
    {
      "page": "optimizer_gwo",
      "title": "Grey Wolf Optimizer",
      "topics": [
        "optimizer_gwo"
      ]
    },
    {
      "page": "optimizer_hybrid",
      "title": "Hybrid Optimizer",
      "topics": [
        "optimizer_hybrid"
      ]
    },
    {
      "page": "optimizer_info",
      "title": "Get Optimizer Information",
      "topics": [
        "optimizer_info"
      ]
    },
    {
      "page": "optimizer_pso",
      "title": "Particle Swarm Optimization Optimizer",
      "topics": [
        "optimizer_pso"
      ]
    },
    {
      "page": "optimizer_sboa",
      "title": "Secretary Bird Optimization Algorithm Optimizer",
      "topics": [
        "optimizer_sboa"
      ]
    },
    {
      "page": "optimizer_sgd",
      "title": "Stochastic Gradient Descent Optimizer",
      "topics": [
        "optimizer_sgd"
      ]
    },
    {
      "page": "optimizer_tlbo",
      "title": "Teaching-Learning-Based Optimization Optimizer",
      "topics": [
        "optimizer_tlbo"
      ]
    },
    {
      "page": "optimizer_woa",
      "title": "Whale Optimization Algorithm Optimizer",
      "topics": [
        "optimizer_woa"
      ]
    },
    {
      "page": "plot_network",
      "title": "Plot Neural Network Architecture",
      "topics": [
        "plot_network"
      ]
    },
    {
      "page": "plot.met_optimize_result",
      "title": "Plot Optimization Convergence",
      "topics": [
        "plot.met_optimize_result"
      ]
    },
    {
      "page": "plot.metann",
      "title": "Plot a metANN Model",
      "topics": [
        "plot.metann"
      ]
    },
    {
      "page": "predict.metann",
      "title": "Predict with a metANN Model",
      "topics": [
        "predict.metann"
      ]
    },
    {
      "page": "print.met_dense_layer",
      "title": "Print a Dense Layer",
      "topics": [
        "print.met_dense_layer"
      ]
    },
    {
      "page": "print.met_mlp_architecture",
      "title": "Print an MLP Architecture",
      "topics": [
        "print.met_mlp_architecture"
      ]
    },
    {
      "page": "print.met_optimize_result",
      "title": "Print a metANN Optimization Result",
      "topics": [
        "print.met_optimize_result"
      ]
    },
    {
      "page": "print.met_optimizer",
      "title": "Print a metANN Optimizer",
      "topics": [
        "print.met_optimizer"
      ]
    },
    {
      "page": "print.met_optimizer_info",
      "title": "Print Optimizer Information",
      "topics": [
        "print.met_optimizer_info"
      ]
    },
    {
      "page": "print.metann",
      "title": "Print a metANN Model",
      "topics": [
        "print.metann"
      ]
    },
    {
      "page": "print.metann_evaluation",
      "title": "Print metANN Evaluation Results",
      "topics": [
        "print.metann_evaluation"
      ]
    },
    {
      "page": "summary.met_optimize_result",
      "title": "Summarize a metANN Optimization Result",
      "topics": [
        "summary.met_optimize_result"
      ]
    },
    {
      "page": "summary.metann",
      "title": "Summarize a metANN Model",
      "topics": [
        "summary.metann"
      ]
    }
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