Dear members, I have an xts object: > head(INFYTX) INFY Historical Data INFY Historical Data.1 INFY Historical Data.2 2003-04-16 "47.26" "44.28" "47.56" 2003-04-17 "46.30" "44.92" "46.53" 2003-04-21 "45.82" "47.27" "47.50" 2003-04-22 "45.62" "46.06" "46.16" 2003-04-23 "45.05" "46.28" "46.50" 2003-04-24 "45.28" "44.80" "46.84" INFY Historical Data.3 INFY Historical Data.4 2003-04-16 "44.28" "1805267" "5.77%" 2003-04-17 "44.06" "1536300" "-2.03%" 2003-04-21 "45.63" "887774" "-1.04%" 2003-04-22 "44.73" "944036" "-0.44%" 2003-04-23 "44.77" "759898" "-1.25%" 2003-04-24 "44.53" "1185402" "0.51%"
But it is populated with character values and I want to convert them to numeric. THe following code doesn't work: > head(coredata(INFYTX)) INFY Historical Data INFY Historical Data.1 INFY Historical Data.2 INFY Historical Data.3 [1,] "47.26" "44.28" "47.56" "44.28" [2,] "46.30" "44.92" "46.53" "44.06" [3,] "45.82" "47.27" "47.50" "45.63" [4,] "45.62" "46.06" "46.16" "44.73" [5,] "45.05" "46.28" "46.50" "44.77" [6,] "45.28" "44.80" "46.84" "44.53" INFY Historical Data.4 [1,] "1805267" "5.77%" [2,] "1536300" "-2.03%" [3,] "887774" "-1.04%" [4,] "944036" "-0.44%" [5,] "759898" "-1.25%" [6,] "1185402" "0.51%" > class(coredata(INFYTX)) [1] "matrix" "array" > class(coredata(INFYTX)) <- "numeric" Warning message: In class(coredata(INFYTX)) <- "numeric" : NAs introduced by coercion > class(coredata(INFYTX)) [1] "matrix" "array" > head(coredata(INFYTX)) INFY Historical Data INFY Historical Data.1 INFY Historical Data.2 INFY Historical Data.3 [1,] "47.26" "44.28" "47.56" "44.28" [2,] "46.3" "44.92" "46.53" "44.06" [3,] "45.82" "47.27" "47.5" "45.63" [4,] "45.62" "46.06" "46.16" "44.73" [5,] "45.05" "46.28" "46.5" "44.77" [6,] "45.28" "44.8" "46.84" "44.53" INFY Historical Data.4 [1,] "1805267" NA [2,] "1536300" NA [3,] "887774" NA [4,] "944036" NA [5,] "759898" NA [6,] "1185402" NA Why is the coredata matrix not changing to numeric when the class is changed to numeric? How else to convert coredata into numeric? THanking you, Yours sincerely, AKSHAY M KULKARNI [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.