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8: Estimación y prueba de parámetros
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Algoritmos de núcleo
Modele longitud de palabras con distribuciones binomiales
Ajuste longitud de palabras en diferentes idiomas a distribuciones binomiales y compare las distribuciones empíricas y ajustadas.
In[1]:=
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languages = {"Dutch", "English", "French", "German", "Hebrew", "Polish", "Russian", "Spanish", "Swedish"}; worddata = Table[StringLength /@ DictionaryLookup[{l, All}], {l, languages}];
In[2]:=
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binom = Table[ EstimatedDistribution[i, BinomialDistribution[n, p], ParameterEstimator -> {"MaximumLikelihood", Method -> {"FindRoot", MaxIterations -> 1000}}], {i, worddata}];
In[3]:=
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Partition[ Table[Show[ Histogram[worddata[[i]], {Range[25] - 1/2}, "PDF", PlotLabel -> languages[[i]], ChartStyle -> Directive[Opacity[.2], ColorData[35, i]]], DiscretePlot[PDF[binom[[i]], x], {x, 0, 25}, PlotRange -> All, PlotStyle -> {{PointSize[.02], Darker@ColorData[35, i]}}]], {i, Length[languages]}], 3] // Grid
Out[3]=