R utility functions for Arpa ER air quality data
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R utility functions for Arpa ER air quality data
I dati dei metalli hanno un solo dato memorizzato il secondo giorno del mese alle ore 12.00.
Estraendo i dati per esempio con:
dbqa.get.datastaz(con, ts.range, id.staz, id.param,
flg=1, tstep,
lod.manage=ifelse({id.param %in% c(12,14,15,18,29)},
"half", "keep"),...)
dove id.param = 14 (corrispondente al Cd)
si ottiene Error in as.POSIXct.numeric(days) : 'origin' must be supplied
La richiesta sql seguente va a buon fine:
SELECT ID_CONFIG_STAZ,
ID_CONFIG_SENSORE,
TS_DATO,
VALORE,
FLG_A,
TS_INIZIO_RIL
FROM aa_aria.t$01$dati dt
WHERE dt.ID_PARAMETRO = 14
AND dt.TS_DATO BETWEEN TO_DATE ('01-01-2018 00:00','dd-mm-yyyy hh24:mi')
AND SYSDATE
Forse il problema e' in dt.TS_DATO. La routine dbqa.get.datastaz filtra in base a d.TS_INIZIO_RIL
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