#' @param days_in Optional set to intersect with results (NULL to discard)
#'
#' @export
-getSimilarDaysIndices = function(index, data, limit, same_season, days_in=NULL)
+getSimilarDaysIndices = function(index, data, limit, same_season,
+ days_in=NULL, operational=TRUE)
{
index = dateIndexToInteger(index, data)
day_ref = dt_ref$wday #1=monday, ..., 6=saturday, 0=sunday
month_ref = as.POSIXlt(data$getTime(index)[1])$mon+1 #month in 1...12
i = index - 1
- while (i >= 1 && length(days) < limit)
+ if (!operational)
+ j = index + 1
+ while (length(days) < min( limit, ifelse(is.null(days_in),Inf,length(days_in)) ))
{
- dt = as.POSIXlt(data$getTime(i)[1])
- if ((is.null(days_in) || i %in% days_in) && .isSameDay(dt$wday, day_ref))
+ if (i < 1 && j > data$getSize())
+ break
+ if (i >= 1)
{
- if (!same_season || .isSameSeason(dt$mon+1, month_ref))
- days = c(days, i)
+ dt = as.POSIXlt(data$getTime(i)[1])
+ if ((is.null(days_in) || i %in% days_in) && .isSameDay(dt$wday, day_ref))
+ {
+ if (!same_season || .isSameSeason(dt$mon+1, month_ref))
+ days = c(days, i)
+ }
+ i = i - 1
+ }
+ if (!operational && j <= data$getSize())
+ {
+ dt = as.POSIXlt(data$getTime(j)[1])
+ if ((is.null(days_in) || j %in% days_in) && .isSameDay(dt$wday, day_ref))
+ {
+ if (!same_season || .isSameSeason(dt$mon+1, month_ref))
+ days = c(days, j)
+ }
+ j = j + 1
}
- i = i - 1
}
return ( days )
}
#
.isSameSeason = function(month, month_ref)
{
+# if (month_ref == 3) #TODO: same as Bruno (but weird)
+# return (month %in% c(2,3,4,9,10))
if (month_ref %in% c(11,12,1,2)) #~= mid-polluted
return (month %in% c(11,12,1,2))
if (month_ref %in% c(3,4,9,10)) #~= high-polluted
return (day %in% 1:4)
return (day == day_ref)
}
+
+# getNoNA2
+#
+# Get indices in data of no-NA series preceded by no-NA, within [first,last] range.
+#
+# @inheritParams dateIndexToInteger
+# @param first First index (included)
+# @param last Last index (included)
+#
+.getNoNA2 = function(data, first, last)
+{
+ (first:last)[ sapply(first:last, function(i)
+ !any( is.na(data$getSerie(i-1)) | is.na(data$getSerie(i)) )
+ ) ]
+}