Create variable ndyprwso2
Process Step
Description Compute target variable ‘ndyprwso2’ based on ‘aqiwdso2’, ‘region’ and ‘date’. The number of days during the last seven days from date, date included, where ‘aqiwdso2’ = ‘3’ ‘Poor’ or ‘aqiwdso2’ = ‘4’ ‘Very poor’ or ‘aqiwdso2’ = ‘5’ ‘Extremely poor’ becomes the value of the target variable
This step uses a script written in Python3.
Diagram of the Process Step
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# input parameter
parameter_7d6e0e95_572c_40a5_82e4_bc51a2a68c77 [
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label=<<i>Variable date:</i><br/>Date>
tooltip="Input parameter for current process step"
fillcolor="#ffe119"
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parameter_7d6e0e95_572c_40a5_82e4_bc51a2a68c77:e -> Step:w [
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# previous step
step_70b92d2b_cc0a_44a7_9b1b_1e84084f4c50 [
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label="Create variable date"
URL="../step_70b92d2b-cc0a-44a7-9b1b-1e84084f4c50.html"
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tooltip="Previous process step:\nUse variables 'DatetimeBegin' and 'DatetimeEnd' to create variable 'date'."
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step_70b92d2b_cc0a_44a7_9b1b_1e84084f4c50:e -> parameter_7d6e0e95_572c_40a5_82e4_bc51a2a68c77:w [
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URL="https://ess-search.nsd.no/en/variable/99d07034-b859-4c28-801e-6accb5e9f9da"
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label=<<i>Variable region:</i><br/>Region>
tooltip="Input parameter for current process step"
fillcolor="#ffe119"
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parameter_87419b24_5963_48e7_8db9_0c6edf44bce6:e -> Step:w [
minlen="2"
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parameter_5d1db345_d4d5_4d64_a3dd_fd2e7d8c8e50 [
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label=<<i>Variable aqiwdso2:</i><br/>Worst air quality index<br/>level SO2, date>
tooltip="Input parameter for current process step"
fillcolor="#ffe119"
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parameter_5d1db345_d4d5_4d64_a3dd_fd2e7d8c8e50:e -> Step:w [
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# previous step
step_920f3b9b_6aa2_4a33_aa15_fa41b3c45ee3 [
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URL="../step_920f3b9b-6aa2-4a33-aa15-fa41b3c45ee3.html"
target="_parent"
tooltip="Previous process step:\nCompute target variable 'aqiwdso2' starting from variables 'Concentration' and 'AirPollutant = SO2' for each background station. Compute where 'AirQualityStation' has values for the pollutant. Find 'Concentration' value at the 99th percentile for the pollutant. Create EEA Air Quality Index where SO2: 0 to 100 eq 'Good' represented by value '0'; 100 to 200 eq 'Fair' represented by value '1'; 200 to 350 eq 'Moderate' represented by value '2'; 350 to 500 eq 'Poor' represented by value '3'; 500 to 750 eq 'Very Poor' represented by value '4'; 750 to 1250 eq 'Extremely poor' represented by value '5'. The worst air quality level measured on a specific day on one of the background stations in the region provides values to the variable."
];
step_920f3b9b_6aa2_4a33_aa15_fa41b3c45ee3:e -> parameter_5d1db345_d4d5_4d64_a3dd_fd2e7d8c8e50:w [
minlen="2"
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# output parameter
parameter_9e9826c5_2e42_4e29_ba01_f4e2f45553c4 [
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URL="https://ess-search.nsd.no/en/variable/a66c12c8-afc6-4aa2-8731-02d346b2917e"
target="_blank"
label=<<i>Variable ndyprwso2:</i><br/>Number of days with 'poor'<br/>air quality level or worse<br/>on SO2, week before the date>
tooltip="Output parameter for current process step"
fillcolor="#dcbeff"
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Step:e -> parameter_9e9826c5_2e42_4e29_ba01_f4e2f45553c4:w [
minlen="2"
];
}
Hint
Move the mouse cursor over a parameter to see more information. Click on a parameter or a related step to go to the corresponding page.
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# input parameter
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