这里的问题是,您是死心塌地创建“模型”还是自动化适合您?
我建议按照每小时接听电话的概率对数据帧进行排序(这样您就可以先给出更有可能的线索),然后再按当天的电话数量对它们进行进一步排序。
类似的东西:
require(dplyr)
todaysCall = df %>%
dplyr::group_by(propertyID) %>%
dplyr::summarise(noOfCalls = n())
hourlyCalls = df %>%
dplyr::filter(hour == format(Sys.time(),"%H")) %>%
dplyr::left_join(todaysCall) %>%
dplyr::arrange(desc(Prodprobability),noOfCalls)
从本质上讲,获取拾取概率是模型的全部内容,您似乎已经掌握了这些信息。
替代解决方案
获取每个 propertyID 的前 5 次调用时间
top5Times = df %>%
dplyr::filter(Prodprobability != 0) %>%
dplyr::group_by(propertyID) %>%
dplyr::arrange(desc(Prodprobability)) %>%
dplyr::slice(1:5L) %>%
dplyr::ungroup()
为概率为零的案例获取备用呼叫时间:
zeroProb = df %>%
dplyr::filter(Prodprobability == 0)
alternateTimes = df %>%
dplyr::filter(propertyID %in% zeroProb$propertyID) %>%
dplyr::filter(Prodprobability != 0) %>%
dplyr::arrange(propertyID,desc(Prodprobability))
在给定时间概率为零的案件的最佳通话时间:
#Identifies the zero prob cases; can be by hour or at a particular instant
zeroProb = df %>%
dplyr::filter(Prodprobability == 0)
#Gets the highest calling probability and corresponding closest hour if probability is same for more than one timeslot
bestTimeForZero = df %>%
dplyr::filter(propertyID %in% zeroProb$propertyID) %>%
dplyr::filter(Prodprobability != 0) %>%
dplyr::group_by(propertyID) %>%
dplyr::arrange(desc(Prodprobability),hour) %>%
dplyr::slice(1L) %>%
dplyr::ungroup()
按照原始df返回记录数:
zeroProb = df %>%
dplyr::filter(Prodprobability == 0) %>%
dplyr::group_by(propertyID) %>%
dplyr::summarise(total = n())
bestTimesList = lapply(1:nrow(zeroProb),function(i){
limit = zeroProb$total[i]
bestTime = df %>%
dplyr::filter(propertyID == zeroProb$propertyID[i]) %>%
dplyr::arrange(desc(Prodprobability)) %>%
dplyr::slice(1:limit)
return(bestTime)
})
bestTimeDf = bind_rows(bestTimesList)
注意:可以组合过滤语句;我将它们分开编写以突出每个步骤的作用。