Create variable ndypryo3
Process Step
Description Compute target variable ‘ ndypryo3’ based on ‘aqiwdo3’, ‘region’ and ‘date’. The number of days during the last three hundred and sixty five days from date, date included, where ‘aqiwdo3’ = ‘3’ ‘Poor’ or ‘aqiwdo3’ = ‘4’ ‘Very poor’ or ‘aqiwdo3’ = ‘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"
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target="_parent"
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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parameter_87419b24_5963_48e7_8db9_0c6edf44bce6 [
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URL="https://ess-search.nsd.no/en/variable/99d07034-b859-4c28-801e-6accb5e9f9da"
target="_blank"
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_b5ee4a8f_84ea_4b17_8e3a_0f7146cc6f6a [
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label=<<i>Variable aqiwdo3:</i><br/>Worst air quality index<br/>level O3, date>
tooltip="Input parameter for current process step"
fillcolor="#ffe119"
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parameter_b5ee4a8f_84ea_4b17_8e3a_0f7146cc6f6a:e -> Step:w [
minlen="2"
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# previous step
step_03e16b5f_7876_4d78_bc64_23e16cfd4500 [
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label="Create variable aqiwdo3"
URL="../step_03e16b5f-7876-4d78-bc64-23e16cfd4500.html"
target="_parent"
tooltip="Previous process step:\nCompute target variable 'aqiwdo3' starting from variables 'Concentration' and 'AirPollutant = O3' 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 O3: 0 to 50 eq 'Good' represented by value '0', 50 to 100 eq 'Fair' represented by value '1'; 100 to 130 eq 'Moderate' represented by value '2'; 130 to 240 eq 'Poor' represented by value '3'; 2040 to 380 eq 'Very poor' represented by value '4'; 380 to 800 eq 'Extremely poor' represented by value '5'. The average of the worst air quality level measured on a specific day on each of the background stations in the region provides values to the variable."
];
step_03e16b5f_7876_4d78_bc64_23e16cfd4500:e -> parameter_b5ee4a8f_84ea_4b17_8e3a_0f7146cc6f6a:w [
minlen="2"
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# output parameter
parameter_b23dadd2_c0e7_450d_a5e2_95ff625cbb46 [
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URL="https://ess-search.nsd.no/en/variable/3adcc1ab-f199-42a0-b8e0-0362880b8c9c"
target="_blank"
label=<<i>Variable ndypryo3:</i><br/>Number of days with 'poor'<br/>air quality level or worse<br/>O3, year before the date>
tooltip="Output parameter for current process step"
fillcolor="#dcbeff"
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Step:e -> parameter_b23dadd2_c0e7_450d_a5e2_95ff625cbb46: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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