Displaying 20 results from an estimated 34 matches for "fromchar".
2008 Apr 11
1
Error in fromchar(as.character(x)) : character string is not in a standard unambiguous format
...lculate a variable named F.length, which is today's date
minus the values contained in the variable: April$Order.Made.Date)
I tried altering the date format but continued to receive the same error.
> F.length <- difftime ("11/04/2008", April$Order.Made.Date)
> Error in fromchar(as.character(x)) : character string is not in
a standard unambiguous format
> Order.date <- as.Date (April$Order.Made.Date)
> Error in fromchar(x) : character string is not in a standard
unambiguous format
> Order.date <- 'as.POSIXlt' (April$Order.Made.Date)
Error...
2002 Feb 28
1
Bug in julian() (PR#1332)
...000 SP2
Submission from: (NULL) (195.27.237.226)
Hi,
there seems to be a bug in julian():
> Sys.getlocale()
[1] "LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=C;LC_NUMERIC=C;LC_TIME=English_United States.1252"
> julian(Sys.time())
Error in fromchar(x) : character string is not in a standard unambiguous format
> julian
function (x, ...)
UseMethod("julian")
> julian.POSIXt
function (x, origin = as.POSIXct("1970-01-01", tz = "GMT"), ...)
{
if (length(origin) != 1)
stop("`origin' must be...
2009 Jan 21
3
Error as.Date on Invalid Dates
...;- "2009-01-21"
The script later parses the input via the as.Date function:
> as.Date(date1)
However, as.Date encounters an error when the string does not represent an
actual date.
eg:
> date1 <- "2009-02-29" # Note: 2009 not a leap year
> as.Date(date1)
Error in fromchar(x) :
character string is not in a standard unambiguous format
As I have many instances of date entries like this, date1, date2, date3,
etc. , I'd like the script to error out gracefully and to be able to point
the user to which date they need to correct, rather than "Error in
fromchar(x...
2004 Oct 11
5
read "4-jan-02" as date
...ery simple, but after checking the documentation and the
list I still don't have something that works.
1. as.Date returns the error below. What am I doing wrong?
As far as I can see the character strings are in standard
format.
d$Date <- as.Date(d$Date, format="%d-%b-%y")
Error in fromchar(x) : character string is not in a
standard unambiguous format
2. as.date {Survival} produces this error,
d$Date <- as.date(d$Date, order = "dmy")
Error in as.date(d$Date, order = "dmy") : Cannot coerce to
date format
3. Assuming all else fails, is there a text function
simi...
2008 Aug 06
3
Help in running Stata dataset in R
Dear All,
I installed R 2.7.0 and tried to call a dataset i had ealier own called
on R2.6.2 but i keep on getting an error:
use("maltreat.dta")
Error in fromchar(x) :
character string is not in a standard unambiguous format
Tried doing the same with R2.7.1 but i get the same error.
However if i call the same on R 2.6.2, there is no error:
use("maltreat.dta")
> des()
No. of observations = 670
Variable Class Descr...
2004 Mar 08
5
years from as.POSIXlt
Hi,
how it's possible to extract the year and the number
of days from Julian date. i'm little confused about the last two
functions and ?years .
EDATE comes from sqlQuery with as.is=T
EDATE <- as.POSIXlt(datvears$ENROLLDAY)
Many thanks, Christian
> EDATE[1:5]
[1] "2000-06-30 11:25:01" "2000-06-30 11:39:55" "2000-06-30 12:11:11"
[4]
2001 Oct 04
1
get.hist.quote does not work (PR#1116)
...ote
does
not work yet, since the function julian does not work. Is this problem only in
my computer? The previous version of get.hist.quote (tseries 0.7-0) did work.
Sys.time and julian produce
> Sys.time()
[1] "2001-10-04 15:33:14 GTB Daylight Time"
> julian(Sys.time())
Error in fromchar(x) : character string is not in a standard unambiguous format
>
get.hist.quote produces
x <- get.hist.quote(instrument = "^spc", start = "1998-01-01",
+ quote = "Close")
trying URL `http://chart.yahoo.com/table.csv?s=^spc&a=01&b=0...
2007 Feb 16
0
Request: make as.POSIXlt generic
...nable Gabor to create methods for
his 'zoo' series, and let me create methods for my 'tis' (Time Indexed
Series). But these are not as urgent as cleaning up as.POSIXlt().
Jeff Hallman
The current as.POSIXlt() implementation:
as.POSIXlt <- function(x, tz = ""){
fromchar <- function(x) {
xx <- x[1]
if(is.na(xx)) {
j <- 1
while(is.na(xx) && (j <- j+1) <= length(x))
xx <- x[j]
if(is.na(xx)) f <- "%Y-%m-%d" # all NAs
}
if(is.na(xx) ||
!is.na(strptime...
2004 Feb 14
2
converting data to date format
Dear all,
I import my data from a csv-file containing one row with date-entries. How
can I tell R to treat this data as dates?
I've tried to bring it in character-format (as.charachter()) followed by
as.POSIXlt() but I get an error message, that the character string is not in
a standard unambiguous format, although the date is of format yyyy-mm-dd
(what is standard format according to R
2007 Dec 31
1
read.dta error after OSX change in time zone
Hello all,
I recently moved from the US to Africa & on changing my time zone
in the OSX system preferences from EST to GMT+3 ( East Africa) on
attempting to use read.dta using the foreign package began
getting an error of:
"Error in fromchar(x) : character string is not in a standard
unambiguous format"
This error goes away & the data is correctly read in when I revert to
the EST time zone.
I installed & am currently using R Version 1.19-pre (devel, r4291)
(4291) while I was still in the US.
I am running OS X 1...
2005 Oct 10
3
sqlFetch on MySQL-DB
Dear all,
I successfully set up a local MySQL-database. Connecting via RODBC is
not problem, the same in fetching 3 of 4 tables. But trying to
connect to table 4 fails.
> author<-sqlFetch(test,"author")
Error in fromchar(unclass(x)) : character string is not in a standard
unambiguous format
In principle I understand that error message, but I don't know any
solution.
Thanks for any help,
Bernd
> version
_
platform i386-pc-mingw32
arch i386...
2006 Jul 07
3
Converting data frame to zoo
...ted to
a data frame which I thought is fine. Now I want to convert it to zoo so
I did
x <- zoo(my.df)
which works just fine. But the Date column has been turned into a
factor. Is there a way to make it into a Date. I've tried,
x$Date <- as.Date(x$Date)
but R complains that
Error in fromchar(x) : character string is not in a standard
unambiguous format
Thanks in advance.
Horace W. Tso
______________________________________________
R-help at stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide!
http://www.R-project.org/pos...
2006 Jun 23
3
Problems with weekday extraction from zoo objects
...In one (x) the date format is Y/m/d
and the other (y) is d/m/y. I used read.zoo on both and they read into
R with no problem.
Then I use: weekdays(as.Date(x$DATE)) and get what I expect - all the
days of the week in my data set.
When I use: weekdays(as.Date(y$Date)) I get:
Error in fromchar(x) : character string is not in a standard unambiguous
format
I've tried to set the format= in read.zoo to format="%d/%m/%Y" but this
doesn't seem to solve the problem.
What's going on here? (I'm new to these dates functions, so please be
patient - I'll get th...
2004 Jun 02
2
Bug with date 1970-01-01 on Windows (PR#6929)
...t;,"%Y%m%d")
Time difference of NA secs
> strptime("20040602","%Y%m%d")-strptime("19700102","%Y%m%d")
Time difference of 12569.96 days
I get as well the bug reported in 1332:
> as.POSIXct("1970-01-01", tz = "GMT")
Error in fromchar(x) : character string is not in a standard unambiguous format
Regarding hint on msvcrt.dll in Windows-FAQ on R:
The downloaded archive contains:
msvcrt.dll 4.20.0.6164
msvcrt20.dll 2.11.0.0
msvcrt40.dll 4.10.0.5349
My Windows 2000 System has the following versions in ...\system32:
msvcrt.dll 6.1....
2008 Jul 25
0
Errror in running R2.7.1 version to R2.6.2 version
...;use" found in
package epicalc on R2.7.1 and R2.7.0 but dont get the error when i run
it on R 2.6.2
What is likely to be the problem?
library(epicalc)
Loading required package: foreign
Loading required package: survival
Loading required package: splines
use("malvac.dta")
Error in fromchar(x) :
character string is not in a standard unambiguous format
use("maltreat.dta")
Error in fromchar(x) :
character string is not in a standard unambiguous format
I have attached the datasets (Stata datasets) herein.
Kind regards,
Lazarus Mramba
Junior Statistician
P.O Box 986...
2001 Oct 29
1
Help with 'get.hist.quote' on tseries
...//chart.yahoo.com/table.csv?s=ibm&a=01&b=01&c=1998&d=10&e=28&f=2001&g=d&q=q&y=0&z=ibm&x=.
csv'
Content type `application/octet-stream' length unknown
opened URL
downloaded 45Kb
time series starts 1998-01-02
time series ends 2001-10-26
Error in fromchar(x) : character string is not in a standard unambiguous
format
>
Can anyone help? (I use R 1.3.1 with Windows 2000.)
Thanks,
ANDREW
Andrew Criswell, Ph.D.
Graduate School, Bangkok University
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing...
2001 May 15
1
what happende to as.POSIC.ct ???
...rch x86
os Win32
system x86, Win32
status
major 1
minor 2.3
year 2001
month 04
day 26
language R
> as.POSIXct( "1970/01/01" )
Error in fromchar(x) : character string is not in a standard unambiguous
format
Apparently the error comes out of as.POSIXlt which is called by as.POSIXct,
and it looks as if the behaviour of strptime has changed. But I cannot
find any differences in the code.
Any clues??
----------------------
Bendix Carstensen...
2002 Jul 18
1
tseries (get.hist.quote)
...-01")
trying URL `
http://chart.yahoo.com/table.csv?s=ibm&a=01&b=01&c=1998&d=07&e=17&f=2002&g=d&q=q&y=0&z=ibm&x=.csv
'
Content type `application/octet-stream' length unknown
opened URL
downloaded 48Kb
time series starts 1998-01-02
Error in fromchar(x) : character string is not in a standard unambiguous
format
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
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2005 May 01
0
Re: (PR#7826) ... segfault during build of 2.1.0 on RH9; print.POSIXct ...
...t; longer match.
>
> Probably both should use the double ellipses, but "..." will be empty
> on automatic printing, so that's not it.
>
> The issue is an infinite recursion inside as.POSIXlt(). Specifically,
> strptime() internally calls as.character(x) inside the fromchar()
> function in as.POSIXlt(), and as.character.POSIXt() invokes format()
> which calls as.POSIXlt() again.
>
> I think the fix is to unclass(x) inside fromchar(), but perhaps others
> know better?
>
>
> --
> O__ ---- Peter Dalgaard Blegdamsvej 3
>...
2007 Sep 17
2
Date vs date (long)
...care missing the exact birthday by a day or so.)"
As I said, division is a hard case with no clear answer. The creation of
other unit schemes is silly --- why in the world would I voluntarily put on
a straightjacket?
d.
>> as.Date('09Sep2007')
>>
> Error in fromchar(x) : character string is not in a standard unambiguous
format
My off-the-cuff suggestion is to make the message honest
Error in fromchar(x): program is not able to divine the correct format
The problem is not that the format is necessarily wrong or ambiguous, but that
the program can't gu...