Displaying 19 results from an estimated 19 matches for "ravichandra".
2008 Oct 31
2
how to retrieve some records from a dataframe
Hi ,
Dataframe Df contains more than 30 no of records.but I want only
first 30 rows of data.
How can I retrieve it.
Thanks
K.Ravichandra
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2008 Aug 18
4
how to get no of pdf files in a particular directory
...Dir<-"/var/www/html/celnet/users/cxadmin/FlowDuration_DataVolume/fld_01_
08_18_08"
There will be pdf and/or csv files.
I want to know how many *.pdf files are there in that
directory.
How can I get using R commands.
Thanks
K.Ravichandra
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2012 Oct 26
1
Creating a certain set of points with geographic coordinates between two endpoints
...I am a very recent user of R. Mine is probably a basic question. I
would like to know how do we create a certain set of points with
geographic coordinates, between two endpoints. Please explain me how to
do this using R. Which are the packages to be used for doing this.
Thanks in advance,
Ravichandra Mondreti.
Ravichandra Mondreti
PhD student/ Doctorant
Spatial Population Ecology Team
CEFE-CNRS
1919, route de Mende
F-34293 Montpellier Cedex 05
France
Email: ravichandra.mondreti@cefe.cnrs.fr
<mailto:ravichandra.mondreti@cefe.cnrs.fr> ;
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2008 Sep 05
2
how to write a escape sequences in to a file
Hi
Str1<-"hai "
Str2<-"hru"
I want to write these 2 strings in a file separated by
newline.
How can I get this.
Thanks
K.Ravichandra
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2008 Nov 13
2
(no subject)
...NA 0 5 11 1
######## #logic for merging rows with FCA 4,5,6 into 4
d4n <- aggregate(d4[,c("counts")], by=list(bin = d4$bin,
EVDO_Rev=d4$EVDO_Rev, Session_Setup=d4$Session_Setup),sum)
does the above instruction works or not ,if not why
Thanks
K.Ravichandra
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2008 Jul 17
2
spliting a string
...-"130.5"
Df<-Strsplit(".",":",String)
Then Df get
"" "" "" ""
But I want Df should contains
Df
"130"
"5"
If any body knows how to do it.tel me
Thanks
K.Ravichandra
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2008 Jul 30
1
need some help
Hi
Can any body explain the meaning of the following R code
if(interactive())
stop(msg, call. = FALSE)
else
quit()
Thanks
K.Ravichandra
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2008 Jul 30
6
Need help
Hello,
Can someone help me to understand the meaning of the following R line?
list(fk5 ~ .)
Thanks, Renata
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2008 Nov 07
1
is there any way to run R method as a background process from R interface
Hi ,
can some body tell to me "how to run a R method /function as a
background process from R interface"
Thanks
K.Ravichandra
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2008 Nov 10
1
is there any way to apply mulitiple conditions in subset function
...30973 1
820 0 1 30976 1
821 0 1 30977 203
Subset(df,df$ FwdDataVols_bin>30 && df$ FwdDataVols_bin<100 ) but it
doesn't work
Is there any other way to retrieve data between range 30-100
Thanks
K.Ravichandra
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2008 May 21
2
need some help in plotting xy graph
Hi
Dataframe fdf contains
bin rate overlay
1 1 90 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success
Rate
2 2 93 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success
Rate
3 1 90 Assign First/cc _from_SN_50 RNC_21_to_SN_53 RNC_20_Success
Rate
4 2 94 Assign First/cc _from_SN_50 RNC_21_to_SN_53
2008 May 20
2
need some help in plotting xy graph
Hi
Dataframe fdf contains
bin rate overlay
1 1 90 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success
Rate
2 2 93 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success
Rate
3 1 90 Assign First/cc _from_SN_50 RNC_21_to_SN_53 RNC_20_Success
Rate
4 2 94 Assign First/cc _from_SN_50 RNC_21_to_SN_53
2008 Nov 06
2
need help in plotting barchart
...On a generated plot I observed that what ever records have counts as
"NA", those are not suppressed. but I don't want them to be suppressed.
How can I get exact plot having 30 tick labels for each panel.
Have a look at the generated plot.
Please help me.
Thanks
K.Ravichandra
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2012 Sep 11
2
problem while installing packages in r
Dear R users,
Hope someone can help me to solve the problem. I have a problem
installing packages in to r . The following message was being displayed
in the console when I was trying to install 'rgdal' package.
> install.packages("rgdal")
Warning in install.packages :
argument 'lib' is missing: using 'C:/Documents and
Settings/mondreti/Mes
2008 Nov 03
1
need some help
...28 0 User_Initiated+NORLL+28
119 User_Initiated NORLL 29 0 User_Initiated+NORLL+29
120 User_Initiated NORLL 30 0 User_Initiated+NORLL+30
How can I assign df$counts values to dd$counts for the corresponding
dd$comp==df$comp
Thanks
K.Ravichandra
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2008 Jul 17
0
how to split the string
...I want the o/p like
Dataframe1
row
130
2
3
.
.
Dataframe2
Col
1
2
1
.
.
How can I get desired o/p.
Thanks
K.Ravichandra
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2008 Aug 30
1
need some help on r
...365 (08/28/08 00:00:02) 50.20
210 2 302 39 358 (08/28/08 00:00:07) 50.20
310 3 319 43 377 (08/28/08 00:00:12) 50.20
410 4 312 37 367 (08/28/08 00:00:17) 50.20
I want to retrieve 50.20 records
How can I get ?
Thanks
K.Ravichandra
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2008 Nov 05
1
FW: need some help
...28 0 User_Initiated+NORLL+28
119 User_Initiated NORLL 29 0 User_Initiated+NORLL+29
120 User_Initiated NORLL 30 0 User_Initiated+NORLL+30
How can I assign df$counts values to dd$counts for the corresponding
dd$comp==df$comp
Thanks
K.Ravichandra
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2008 Jul 02
1
FW: RES: bug in axis.Date? was (Re: newbie needs help plottingtimeseries)
Instead of
x<-seq(as.Date("2004-01-01"), as.Date("2008-06-01"),by="month")
from=iso2chron("2004-01-01")
to= iso2chron("2008-06-01")
from <-chron2UTCsecs(from)
to<-chron2UTCsecs(to)
delta##how many secs i.e month time in secs
xx <- seq(from=from, to=to, by=delta)
x <- UTCsecs2chron(xx)
I think it will works