Wolfram Language™

Trabalhando com séries temporais cujos valores são medidas estatísticas

Analise a variabilidade de temperatura em um determinado local.

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data = WeatherData[ Entity["City", {"Champaign", "Illinois", "UnitedStates"}], "Temperature", {{2016, 3, 20}, {2016, 3, 22}}];

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temps = TimeSeries[data, MissingDataMethod -> "Interpolation"]

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Visualize a séries temporais de temperatura.

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DateListPlot[temps, PlotTheme -> "Detailed"]

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Propriedades básicas.

In[4]:=

stats = {Min, Max, Mean, Median, StandardDeviation}; TableForm[{Map[#[temps] &, stats]}, TableHeadings -> {None, stats}]

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Converta as temperaturas em graus Fahrenheit.

In[5]:=

tempsF = UnitConvert[temps, "DegreesFahrenheit"]; TableForm[{Map[#[tempsF] &, stats]}, TableHeadings -> {None, stats}]

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Ache a média móvel de 6 horas.

In[6]:=

avg = MovingMap[Mean, temps, {Quantity[6, "Hours"], Center}]

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DateListPlot[{temps, avg}, PlotLegends -> {"temperatures", "6-hour moving average"}, FrameLabel -> Automatic, PlotTheme -> "Detailed"]

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