search for: shortdat

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2017 Nov 14
0
Aggregating Data
...isregard as I figure something out, unless there is a more elegant way ... myData.sum <- aggregate(x = myData[c("s72","s79","s82","s83","s116","s119")], FUN = sum, by = list(Group.date = myData$shortdate)) > head(myData.sum) Group.date s72 s79 s82 s83 s116 s119 1 2016/10/03 75 74 36 33 96 10 2 2016/10/04 90 76 40 56 137 9 3 2016/10/05 106 83 38 51 90 10 4 2016/10/06 93 87 31 43 97 15 5 2016/10/07 88 96 33 48 125 12 6 2016/10/08 64 39 22 30 63 5...
2011 Jun 24
4
ggplot2 month and year boxplot x axis order problem
Hi I am very new to R, I am attempting to produce a monthly boxplot with the following fish thermal telemetry data: ID Temp Date.Time Month.Year Month Week Shortdate 1 1734 4.4140 04/05/2010 11:56 05,2010 May 19 04/05/2010 2 1734 4.1002 04/05/2010 12:06 05,2010 May 19 04/05/2010 3 1734 3.9433 04/05/2010 12:09 05,2010 May 19 04/05/2010 4 1734 3.6295 04/05/2010 12:29 05,2010 May 19 04/05/2010 5 1734 3.6295 04/05/2010 12:34 0...
2017 Nov 14
0
Aggregating Data
R-Help I created a "shortdate" for the purpose of aggregating each var (S72 .S119) by daily sum , but not sure how to handle using a POSIXlt object. > myData$shortdate <- strftime(myData$time, format="%Y/%m/%d") > head(myData) time s72 s79 s82 s83 s116 s119 shortdate 1 2016-10-03 00:...
2010 Jun 10
1
Latex: Date Format conversion
Hi: Can't find?a way to convert?from shortDate to LongDate format. I?got: 3/10/10 that I want to convert to March 10, 2010. I am using: \documentclass[11pt]{article} \usepackage{longtable,verbatim} \usepackage{ctable} \usepackage{datetime} \title{my title} \begin{document} ? % Convert date \mmmmddyyyydate\3/10/10 end{document}? My report is...
2010 Jun 10
1
Date conversion
Hi: Can't find?a way to convert?from shortDate to LongDate format. I?got: 3/10/10 that I want to convert to March 10, 2010. I am using: \documentclass[11pt]{article} \usepackage{longtable,verbatim} \usepackage{ctable} \usepackage{datetime} \title{my title} \begin{document} ? % Convert date \mmmmddyyyydate\3/10/10 end{document}? My report is...