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      "title": "Fixed Effects Nonlinear Maximum Likelihood Models",
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        "FENmlm"
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      "engine": "knitr::rmarkdown",
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        "Simple example using Trade data",
        "Estimation",
        "Clustering the standard-errors",
        "Using other Likelihoods",
        "Viewing the results in R",
        "Exporting the results to Latex",
        "An elaborate example",
        "Extracting the fixed-effects",
        "Additional features",
        "Non-linear in parameters example",
        "Adding fixed-effects to non-linear in parameters models",
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        "Troubleshooting",
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