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Table 1 The features for prediction

From: Machine learning approaches to predict peak demand days of cardiovascular admissions considering environmental exposure

Feature category

Features

Description

Time series features

year

year of the date of hospital admission

month

month of year

day

day of month

holiday

public holidays

DOW

day of week

Meteorological condition features

Tem_lag04

mean temperature for the moving average of current day and previous four days (lag04)

RH_lag06

relative humidity for the moving average of current day and previous six days (lag06)

Rain_lag06

rainfall for the moving average of current day and previous six days (lag06)

Air pollutants features

PM2.5_lag3

PM2.5 at the previous three days (lag3)

PM10_lag3

PM10 at the previous three days (lag3)

PMC_lag3

PMC at the previous three days (lag3)

SO2_lag0

SO2 at the current day (lag0)

NO2_lag0

NO2 at the current day (lag0)

CO_lag0

CO at the current day (lag0)

O3_lag6

O3 at the previous six days (lag6)