Hi,
I have the following issue. The dataframe df has a column (Date1) supposed
to be a date but read as a factor. There are two types of values in the
same column Date1
Type 1 are datetime like 5/23/2008 0:00:00
Type 2 have no time like 1/10/13.
When I apply the following to the date column
:53 PM, Yolande Tra wrote:
Hi,
I have the following issue. The dataframe df has a column (Date1)
supposed
to be a date but read as a factor. There are two types of values in the
same column Date1
Type 1 are datetime like 5/23/2008 0:00:00
Type 2 have no time like 1/10/13.
When I apply
Thank you Jeff. I had to go back to excel and format the column from there.
Thank you everyone,
Yolande
On Sun, Feb 2, 2014 at 9:51 PM, Yolande Tra yolande@gmail.com wrote:
Hi Jim,
I got an error
df$Date2-
+ as.POSIXct(as.character(df$Date1, format = %m/%d/%Y %H:%M:%S))
Error
Hi,
Here is my data, the first 10 rows
u=regCond_all[1:10,]
dput(u)
structure(c(999, 999, 999, 999, 999, 999, 999, 999, 999, 999,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 1.9, 2, 1.97, 1.99, 1.83, 1.78, 1.6, 1.52, 1.52,
1.36, 10.53, 9.88, 9.88, 10.53,
in place of
regCond_all for the loop.
A.K.
- Original Message -
From: Yolande Tra yolande@gmail.com
To: R help r-help@r-project.org
Cc:
Sent: Friday, August 3, 2012 3:49 PM
Subject: [R] replacement has length zero. In addition: Warning message: In
max(i) : no non-missing
(diveCond$timestamp[i], %Y-%m-%d
%H:%M:%S))
thisStamp
ind - which.min( abs(index(regCond_all) - thisStamp ))
ind
diveCond$r_wvht[i]
regCond_all$WVHT[ind]
On Fri, Aug 3, 2012 at 5:02 PM, Yolande Tra yolande@gmail.com wrote:
dput(head(diveCond, 10))
structure(list(dive_id = c(1, 2, 3, 4, 5
Hi,
I was trying to run the following, where the labels on the x axis are dates
and need to be converted to characters. It did not work. Any help would be
appreciated. Thanks.
text(axTicks(1),par(usr)[3]-2,srt=45,adj=1,labels=as.character(c(2008-01-08,2008-08-10,2008-08-22,2008-09-03,
Thanks for the tip for future typos.
Yolande
On Wed, Aug 1, 2012 at 1:38 PM, David Winsemius dwinsem...@comcast.netwrote:
On Aug 1, 2012, at 9:04 AM, Yolande Tra wrote:
Hi,
I was trying to run the following, where the labels on the x axis are
dates
and need to be converted to characters
Hello,
This should be pretty simple but I cannot get it right. Please point to the
right code. Thanks.
last - read.csv(file.path(dataDir,plot1.csv), as.is=T,stringsAsFactors
= FALSE)
last
dater_wvht
18/6/2008 0.977
28/8/2008 0.773
3 8/11/2008 1.483
4
:02, Yolande Tra escreveu:
Hello,
This should be pretty simple but I cannot get it right. Please point to
the
right code. Thanks.
last - read.csv(file.path(dataDir,**plot1.csv), as.is
=T,stringsAsFactors
= FALSE)
last
dater_wvht
18/6/2008 0.977
28/8/2008
, Rui Barradas ruipbarra...@sapo.pt wrote:
Hello,
It only gives that error if you don't
last$date - as.Date(last$date, format=%m/%d/%Y)
You must have dates, not character values.
Try it, then make a zoo object, then plot it.
Rui Barradas
Em 31-07-2012 18:54, Yolande Tra escreveu:
Thank
=8)
axis(side = 1, at = tt[ix], labels = FALSE)
labs - format(tt, %Y-%b-%d)
axis(side = 1, at = tt[ix], labels = labs[ix], tcl = -0.7, cex.axis = 0.7,
las=2)
It looks better, but I wouldn't risk good.
Rui Barradas
Em 31-07-2012 19:10, Yolande Tra escreveu:
Thanks.
This is an irregular
=)
And now there was no warning.
Thanks,
Yolande
On Tue, Jul 31, 2012 at 5:06 PM, Rui Barradas ruipbarra...@sapo.pt wrote:
Hello,
Inline.
Em 31-07-2012 21:45, Yolande Tra escreveu:
I am sorry but I still got some errors. May be it is because of the package
zoo. Please be patient with me. Thanks
w/ 2 levels 1,15: 2 1
#$ size : Factor w/ 2 levels 23, 6: 2 1
dat6$count-as.numeric(dat6$count)
is.numeric(dat6$count)
#[1] TRUE
I hope this helps.
A.K.
- Original Message -
From: Yolande Tra yolande@gmail.com
To: R help r-help@r-project.org
Cc:
Sent: Saturday
Hello,
I looked in the R-help but could not find an archive addressing the
following. I would like to convert a character to numeric after reading a
file with RDS extension. After using as.numeric, I checked if it is
numeric. It was not converted. Please help.
Here is my code
Report -
Hello,
I would like to convert date as a factor to represent time in a repeated
measure situation in the following code. How would I do that?
d - read.csv(file.path(dataDir,data.csv), as.is=T,stringsAsFactors =
FALSE)
d[1:2,]
id date ab c y
1 1
Thanks,
Y
On Fri, Jul 20, 2012 at 11:47 AM, R. Michael Weylandt
michael.weyla...@gmail.com wrote:
d$date - factor(d$date)
Best,
Michael
On Fri, Jul 20, 2012 at 9:44 AM, Yolande Tra yolande@gmail.com
wrote:
Hello,
I would like to convert date as a factor to represent time
$date-with(dat1,as.factor(date))
dat1
id date a b c y
1 1 8/6/2008 Red 15 B 22
2 1 8/6/2008 Green 15 B 22
is.factor(dat1$date)
[1] TRUE
A.K.
- Original Message -
From: Yolande Tra yolande@gmail.com
To: r-help@r-project.org
Cc:
Sent: Friday, July 20, 2012 10
Hello,
I have the following design, counts were collected at different transects,
different depths and different sites at different times. Time is continuous
and assumed to be random, all the others are categorical fixed where
transect is nested within depth which is nested within site.
I would
Hello,
I have the following loop for two data sets: diveData_2008 and
diveData_2009. It uses two other data: diveCond_all and fishTable. The
problem is at the point to identify the dive_id for the given index (index
is timestamp). It keeps on saying
for the1st loop
Error in fishReport$dive_id[i]
to run the code you submitted, but I don't have a function
called index().
Jean
Yolande Tra yolande@gmail.com wrote on 07/18/2012 08:47:04 AM:
Hello,
I have the following loop for two data sets: diveData_2008 and
diveData_2009. It uses two other data: diveCond_all and fishTable
,]))
thisIndex - as.POSIXct(thisIndex)
dive_id - diveCond_all$dive_id[diveCond_**all$timestamp ==
thisIndex]
#
[... etc ...]
And the same in the 2009 loop.
I think this is it.
Good luck,
Rui Barradas
Em 18-07-2012 14:47, Yolande Tra escreveu:
Hello,
I have
I was wondering why I get NA instead of the timestamp in the following.
Thanks.
dataDir - file.path(wd)
localRaw - read.csv(file.path(dataDir,LOCAL.csv), as.is=T,stringsAsFactors
= FALSE)
localRaw[1:2,]
Year Month Day hour minute second Temp1mab Temp7mab Temp14mab Salinity1mab
1 200910
Hello,
Attached is the file created from as.xts. After submitting the following
code, I got an error. Please help. Thanks.
diveCond - data.frame(matrix(0, nrow=61, ncol=17))
names(diveCond) - c(dive_id, timestamp, visability, r_wvht,
r_dpd, r_apt, r_mwd, r_wtmp, l_salinity, l_o2, l_hs, l_tp,
Hi
I got the following error using as.xts
Error in xts(x, order.by = order.by, frequency = frequency, ...) :
NROW(x) must match length(order.by)
Here is how the data looks like
d1 - read.csv(file.path(dataDir,AppendixA-FishCountsTable-2009.csv),
as.is=T)
d1[1:3,]
dive_id date time
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