Create variable ndyprmo3
Process Step
Description Compute target variable ‘ndyprmo3’ based on ‘aqiwdo3’, ‘region’ and ‘date’. The number of days during the last thirty 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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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"
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"
];
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"
];
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_94f04e4e_9a9c_4c1a_8bf5_ba09d7087c7c [
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fontcolor="blue"
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URL="https://ess-search.nsd.no/en/variable/45db50e3-f91f-446c-beb2-01be2c04d46b"
target="_blank"
label=<<i>Variable ndyprmo3:</i><br/>Number of days with 'poor'<br/>air quality level or worse<br/>O3, month before the date>
tooltip="Output parameter for current process step"
fillcolor="#dcbeff"
];
Step:e -> parameter_94f04e4e_9a9c_4c1a_8bf5_ba09d7087c7c: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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