我想通过尝试不同的多项式来拟合回归,并尝试运行此循环:
for (p_order in 1:9) {
assign(paste("RD0", p_order, sep = ""), electricity_price ~ d1 + gas_price + coal_price +
oil_price + EUA + weekday + month + median_windspeed1 +
median_windspeed2 + median_windspeed3 + median_windspeed4 +
sun1 + sun2 + sun3 + sun4 + median_temp1 + median_temp2 +
median_temp3 + median_temp4 + poly(as.numeric(date), p_order, raw=TRUE) + time)
}
尽管它正确创建了变量的名称(RD01,RD02等),但它没有存储多项式的正确顺序(1,2等),而是存储了“ p_order”。例如,>
> RD04 electricity_price ~ d1 + gas_price + coal_price + oil_price + EUA + weekday + month + median_windspeed1 + median_windspeed2 + median_windspeed3 + median_windspeed4 + sun1 + sun2 + sun3 + sun4 + median_temp1 + median_temp2 + median_temp3 + median_temp4 + poly(as.numeric(date), p_order, raw = TRUE) + time > RD07 electricity_price ~ d1 + gas_price + coal_price + oil_price + EUA + weekday + month + median_windspeed1 + median_windspeed2 + median_windspeed3 + median_windspeed4 + sun1 + sun2 + sun3 + sun4 + median_temp1 + median_temp2 + median_temp3 + median_temp4 + poly(as.numeric(date), p_order, raw = TRUE) + time
有人可以解释一下为什么以及如何解决这个问题吗?
谢谢!
我想通过尝试不同的多项式来拟合回归,然后尝试运行此循环:for(p_order in 1:9){Assign(paste(“ RD0”,p_order,sep =“”),electric_price〜d1 + gas_price + ...
首先创建公式,然后分配它。我将发布一个简化的示例。