Displaying 3 results from an estimated 3 matches for "realdate".
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realdata
2003 Jan 13
1
Fw: Plotting text-string real_date names at excel_date positions.
How do I post text-string dates along the x-axis instead of the excel_date
position values?
I would like to plot a time-series of chemical values changing with time
The first column is the internal date from excel. This should be the x-axis
position of a graph
of the plotted data.
The second column is a text-string of date. This should be what is posted
(instead of the excel_date).
The third
2012 Sep 27
3
Calculating number of elapsed days from starting date
Hi
I have data for events in rows, with columns for person and date. Each
person may have more than one event;
tC <- textConnection("
Person date
bob 1/1/00
bob 1/2/00
bob 1/3/00
dave 1/7/00
dave 1/8/00
dave 1/10/00
kevin 1/2/00
kevin 1/3/00
kevin 1/4/00
")
data <- read.table(header=TRUE, tC)
close.connection(tC)
rm(tC)
I would like to add a new column to my dataframe containing
2023 Nov 02
4
Sum data according to date in sequence
Dear all,
I have this set of data. I would like to sum the EnergykWh according date
sequences.
> head(dt1,20) StationName date time EnergykWh
1 PALO ALTO CA / CAMBRIDGE #1 1/14/2016 12:09 4.680496
2 PALO ALTO CA / CAMBRIDGE #1 1/14/2016 19:50 6.272414
3 PALO ALTO CA / CAMBRIDGE #1 1/14/2016 20:22 1.032782
4 PALO ALTO CA / CAMBRIDGE #1 1/15/2016 8:25 11.004884
5