嗨我試圖返回的記錄最有價值的事件。有了這個查詢 SELECT b.section,c.valuename
,count(a.value) as counts
FROM [dbo].[SurveyResponse] a
JOIN [dbo].[Questions] b ON A.qid=b.qid
join [dbo].[SurveyValues] c o
我有點數,我需要將平均過濾器(如下所述)轉換爲平滑過濾器的中值過濾器。任何人都可以請在這引導我? # Mean Filter
smoothfilter <- function(feat, ntap)
{
ofeat <- feat # Actual data
nfeat <- length(feat) # Length of a actual dat