Reputation:
to convert data set into xts by date, and removing the date which contain NA, as follow:
tlkm_ts <- xts(tlkm[,-1], order.by = as.Date(tlkm[,1], "%Y-%m-%d"), na.rm = T)
xts data set to perform time series predicting
Upvotes: 0
Views: 145
Reputation: 363
It is a bit difficult to know the type of your object tlkm
but let's say it is a matrix
col1 <- c("2017-12-06", "2017-12-07", "2017-12-08", "2017-12-09", "2017-12-10",
"2017-12-11", "2017-12-12", "2017-12-13", "2017-12-14", "2017-12-15",
"2017-12-16", "2017-12-17", "2017-12-18", "2017-12-19", "2017-12-20",
"2017-12-21", "2017-12-22", "2017-12-27", "2017-12-28", "2017-12-29",
"2017-12-30", "2017-12-31", "2018-01-01")
col2 <- c(4200, 4200, 4140, NA, NA, 4140, 4170, 4200, 4250, 4230, NA, NA, 4240,
4190, 4160, 4250, 4300, 4300, 4390, 4440, NA, NA, NA)
tlkm <- matrix(c(col1, col2), ncol = 2)
Then you probably want to use na.exclude()
instead of the parameter na.rm=TRUE
in the xts()
function
tlkm_ts <- na.exclude(xts(as.numeric(tlkm[, -1]), order.by = as.Date(tlkm[, 1])))
which gives
> tlkm_ts
[,1]
2017-12-06 4200
2017-12-07 4200
2017-12-08 4140
2017-12-11 4140
2017-12-12 4170
2017-12-13 4200
2017-12-14 4250
2017-12-15 4230
2017-12-18 4240
2017-12-19 4190
2017-12-20 4160
2017-12-21 4250
2017-12-22 4300
2017-12-27 4300
2017-12-28 4390
2017-12-29 4440
Hope that helps
Upvotes: 1