Created
May 23, 2014 20:22
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trying dual axis scatterplots with dates...
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| cs <-c("13-10-30 12:30:00", "13-10-30 12:35:00", "13-10-30 12:40:00", | |
| "13-10-30 12:45:00", "13-10-30 12:50:00", "13-10-30 12:55:00") | |
| x <-strptime(cs, "%y-%m-%d %H:%M:%S") | |
| dfr <-data.frame(date=as.POSIXct(x,origin="1970-01-01"), | |
| value1=c(1.5,1.25,.75,2.1,1.3,1.4), | |
| value2=c(3.5,3.25,1.75,.1,6.3,2.4)) | |
| h1 <- Highcharts$new() | |
| h1$chart(type = "scatter") | |
| h1$chart(zoomType = "xy") | |
| h1$xAxis(type = "datetime", data=as.POSIXct(dfr$date,origin="1970-01-01")) | |
| h1$series(name = 'Temperature', type = 'scatter', color = '#000099', | |
| data = dfr$value1) | |
| h1$series(name = 'Humidity', type = 'scatter', color = '#FF0000', | |
| data = dfr$value2, yAxis=1) | |
| h1$yAxis(list(list(title = list(text = 'Temperature'), opposite = FALSE), | |
| list(title = list(text = 'humidity_rh'), opposite = TRUE))) |
Here is, at least for the first issue.
the second one is easy.
cs <-c("13-10-30 12:30:00", "13-10-30 12:35:00", "13-10-30 12:40:00",
"13-10-30 12:45:00", "13-10-30 12:50:00", "13-10-30 12:55:00")
x <-strptime(cs, "%y-%m-%d %H:%M:%S")
dfr <-data.frame(date=1000*as.numeric(as.POSIXct(x,origin="1970-01-01", tz="UTC")),
value1=c(1.5,1.25,.75,2.1,1.3,1.4),
value2=c(3.5,3.25,1.75,.1,6.3,2.4))
h1 <- Highcharts$new()
h1$chart(type = "scatter")
h1$chart(zoomType = "xy")
h1$xAxis(type = "datetime")
h1$series(name = 'Temperature', type = 'scatter', color = '#000099',
data = toJSONArray2(dfr[c(1, 2)], json = F, name = F))
h1$series(name = 'Humidity', type = 'scatter', color = '#FF0000',
data = toJSONArray2(dfr[c(1, 3)], json = F, name = F), yAxis=1)
h1$yAxis(list(list(title = list(text = 'Temperature'), opposite = FALSE),
list(title = list(text = 'humidity_rh'), opposite = TRUE)))
h1
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How would you want the dates to show up in your x-Axis. I think the issue is two fold. One is making Highcharts understand the date correctly, and two is to format the label as desired.