Study Illuminance Data Using a Weather Station Device

The following time series is generated by reading illuminance data from a Tinker Forge Weather Station every 0.1 seconds for five seconds while continuously changing the device orientation.

In[1]:=

ts = TemporalData[TimeSeries, {{{
Quantity[104.7, "Lux"], 
Quantity[101.30000000000001`, "Lux"], 
Quantity[194.9, "Lux"], 
Quantity[200.8, "Lux"], 
Quantity[169., "Lux"], 
Quantity[158.3, "Lux"], 
Quantity[174.3, "Lux"], 
Quantity[169.60000000000002`, "Lux"], 
Quantity[149.1, "Lux"], 
Quantity[89., "Lux"], 
Quantity[62.300000000000004`, "Lux"], 
Quantity[66.4, "Lux"], 
Quantity[62.1, "Lux"], 
Quantity[75.4, "Lux"], 
Quantity[106.5, "Lux"], 
Quantity[189.4, "Lux"], 
Quantity[193.5, "Lux"], 
Quantity[186.20000000000002`, "Lux"], 
Quantity[175.3, "Lux"], 
Quantity[170.3, "Lux"], 
Quantity[179.20000000000002`, "Lux"], 
Quantity[223.10000000000002`, "Lux"], 
Quantity[230.3, "Lux"], 
Quantity[232.70000000000002`, "Lux"], 
Quantity[212.9, "Lux"], 
Quantity[175.3, "Lux"], 
Quantity[154., "Lux"], 
Quantity[62.300000000000004`, "Lux"], 
Quantity[59.6, "Lux"], 
Quantity[44.800000000000004`, "Lux"], 
Quantity[42., "Lux"], 
Quantity[51., "Lux"], 
Quantity[80.2, "Lux"], 
Quantity[174., "Lux"], 
Quantity[213.4, "Lux"], 
Quantity[213.10000000000002`, "Lux"], 
Quantity[188., "Lux"], 
Quantity[170.60000000000002`, "Lux"], 
Quantity[168.9, "Lux"], 
Quantity[172.9, "Lux"], 
Quantity[148.6, "Lux"], 
Quantity[89.2, "Lux"], 
Quantity[48.1, "Lux"], 
Quantity[29.900000000000002`, "Lux"], 
Quantity[30.200000000000003`, "Lux"], 
Quantity[34., "Lux"], 
Quantity[40., "Lux"], 
Quantity[45.5, "Lux"], 
Quantity[50.7, "Lux"], 
Quantity[55.2, "Lux"]}}, {{{
      3.6042180390339364`17.3093859387573*^9, 
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       3.6042180398370167`17.309385938854067*^9, 
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       3.6042180414371767`17.30938593359182*^9, 
       3.6042180415371867`17.30938593360387*^9, 
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       3.6042180418372167`17.309385933640023*^9, 
       3.6042180419382268`17.309385933652198*^9, 
       3.6042180420392369`17.309385930936838*^9, 
       3.6042180421412471`17.30938593094913*^9, 
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       3.6042180427413071`17.309385931021435*^9, 
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       3.6042180429433273`17.309385931045778*^9, 
       3.6042180430443374`17.30938592833042*^9, 
       3.6042180431453475`17.30938592834259*^9, 
       3.6042180432453575`17.30938592835464*^9, 
       3.6042180433453675`17.309385928366687*^9, 
       3.6042180434453775`17.30938592837874*^9, 
       3.6042180435453875`17.30938592839079*^9, 
       3.6042180436453975`17.309385928402843*^9, 
       3.6042180437464076`17.309385928415015*^9, 
       3.6042180438464176`17.309385928427066*^9, 
       3.6042180439474277`17.30938592843924*^9}}}, 1, {
    "Discrete", 1}, {"Discrete", 1}, 1, {
    ValueDimensions -> 1, 
     MetaInformation -> {
      "Illuminance" -> TemporalData`Self["PathComponent", 1]}}}, True,
    10.];

Plot the illuminance values.

In[2]:=

Out[2]=

Compute the Min, Mean, and Max for the data.

show complete Wolfram Language input

Out[3]=

Generate illuminance data by alternately switching the ambient light source on and off.

In[4]:=

ts1 = TemporalData[TimeSeries, {{{
Quantity[4.4, "Lux"], 
Quantity[4.4, "Lux"], 
Quantity[4.4, "Lux"], 
Quantity[56.400000000000006`, "Lux"], 
Quantity[101.9, "Lux"], 
Quantity[102.30000000000001`, "Lux"], 
Quantity[102.10000000000001`, "Lux"], 
Quantity[5.1000000000000005`, "Lux"], 
Quantity[4., "Lux"], 
Quantity[3.9000000000000004`, "Lux"], 
Quantity[3.9000000000000004`, "Lux"], 
Quantity[9.700000000000001, "Lux"], 
Quantity[101.4, "Lux"], 
Quantity[102.2, "Lux"], 
Quantity[101.80000000000001`, "Lux"], 
Quantity[8.6, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[102., "Lux"], 
Quantity[102.2, "Lux"], 
Quantity[101.7, "Lux"], 
Quantity[33.4, "Lux"], 
Quantity[3.8000000000000003`, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[18.6, "Lux"], 
Quantity[102.7, "Lux"], 
Quantity[102.10000000000001`, "Lux"], 
Quantity[101.80000000000001`, "Lux"], 
Quantity[101.7, "Lux"], 
Quantity[11.100000000000001`, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.8000000000000003`, "Lux"], 
Quantity[3.8000000000000003`, "Lux"], 
Quantity[80.5, "Lux"], 
Quantity[102., "Lux"], 
Quantity[102.10000000000001`, "Lux"], 
Quantity[101.9, "Lux"], 
Quantity[10.700000000000001`, "Lux"], 
Quantity[3.8000000000000003`, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.7, "Lux"], 
Quantity[3.8000000000000003`, "Lux"], 
Quantity[79.60000000000001, "Lux"], 
Quantity[102.10000000000001`, "Lux"], 
Quantity[102.10000000000001`, "Lux"], 
Quantity[101.9, "Lux"]}}, {{{
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       3.607349034007981`16.309763139541474*^9, 
       3.607349034110323`16.309763139553795*^9, 
       3.607349034212928`16.309763139566147*^9, 
       3.607349034315777`16.30976313957853*^9, 
       3.607349034417383`16.309763139590764*^9}}}, 1, {
    "Continuous", 1}, {"Discrete", 1}, 1, {
    ValueDimensions -> 1, 
     ResamplingMethod -> {"Interpolation", InterpolationOrder -> 1}, 
     MetaInformation -> {
      "Illuminance" -> TemporalData`Self["PathComponent", 1]}}}, True,
    10.];

A plot of the time series reveals the approximate periodic nature of the data.

In[5]:=