I get the following error and I don’t know what could have gone wrong. I use R Studio with version 3.1.3 for Windows 8.1 and use the Caret package to collect data.
I have the following training data:
str(training)
'data.frame': 212300 obs. of 21 variables:
$ FL_DATE_MDD_MMDD : int 101 101 101 101 101 101 101 101 101 101 ...
$ FL_DATE : int 1012013 1012013 1012013 1012013 1012013 1012013 1012013 1012013 1012013 1012013 ...
$ UNIQUE_CARRIER : Factor w/ 13 levels "9E","AA","AS",..: 11 10 2 5 8 9 11 10 10 10 ...
$ DEST : Factor w/ 150 levels "ABE","ABQ","ALB",..: 111 70 82 8 8 31 110 44 53 80 ...
$ DEST_CITY_NAME : Factor w/ 148 levels "Akron, OH","Albany, NY",..: 107 61 96 9 9 29 106 36 97 78 ...
$ ROUNDED_TIME : int 451 451 551 551 551 551 551 551 551 551 ...
$ CRS_DEP_TIME : int 500 520 600 600 600 600 600 600 602 607 ...
$ DEP_DEL15 : Factor w/ 2 levels "0","1": 1 2 1 1 1 1 1 2 1 1 ...
$ CRS_ARR_TIME : int 746 813 905 903 855 815 901 744 901 841 ...
$ Conditions : Factor w/ 28 levels "Blowing Snow",..: 2 2 2 2 2 2 2 2 2 2 ...
$ Dew.PointC : num -14.4 -14.4 -14.4 -14.4 -14.4 -14.4 -14.4 -14.4 -14.4 -14.4 ...
$ Events : Factor w/ 10 levels "","Fog","Fog-Rain",..: 1 1 1 1 1 1 1 1 1 1 ...
$ Gust.SpeedKm.h : num NA NA NA NA NA NA NA NA NA NA ...
$ Humidity : int 68 68 71 71 71 71 71 71 71 71 ...
$ Precipitationmm : num NA NA NA NA NA NA NA NA NA NA ...
$ Sea.Level.PressurehPa: num 1021 1021 1022 1022 1022 ...
$ TemperatureC : num -9.4 -9.4 -10 -10 -10 -10 -10 -10 -10 -10 ...
$ VisibilityKm : num 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 ...
$ Wind.Direction : Factor w/ 18 levels "Calm","East",..: 9 9 7 7 7 7 7 7 7 7 ...
$ WindDirDegrees : int 320 320 330 330 330 330 330 330 330 330 ...
$ Wind.SpeedKm.h : num 20.4 20.4 13 13 13 13 13 13 13 13 ...
- attr(*, "na.action")=Class 'omit' Named int [1:22539] 3 32 45 87 94 325 472 548 949 1333 ...
.. ..- attr(*, "names")= chr [1:22539] "3" "32" "45" "87" ...
and when executing the following command:
ldaModel <- train(DEP_DEL15~.,data=training,method="lda",preProc=c("center","scale"),na.remove=TRUE)
I get:
Something is wrong; all accuracy metrics are missing: Kappa accuracy
Minimum: NA Min .: NA
1st quad .: NA 1st quarter: NA
Median: N.A. Median: NA
Average value: NaN Average value: NaN
3rd quarter: NA 3rd quarter: NA
Maximum .: NA Max .: NA
NA: 1 NA: 1
Error in train.default (x, y, weight = w , ...): Stop
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