Displaying 20 results from an estimated 10000 matches similar to: "Removing -Inf values from all the colums in a dataframe"
2008 Sep 17
3
selecting dataframe values that are not nulls
Hi,
I have a dataframe with 14319rows and 9 colums. for some rows there are null
values.I want a dataframe without these null values.I wanna select only
those that have values !=NA.
kindly let me know how to do that.
Ramya
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2011 Jan 31
5
Finding a Diff within a Dataframe columns
Hi,
I have a Dataframe.
A B C D
0.1 0.7 0.9 0.8
0.20 0.60 0.80 0.70
0.40 0.80 0.70 0.76
I need a resultant dataframe
(A-B) (C-D)
-0.6 0.1
-0.40 0.1
-0.40 -0.06
Any suggestion would be of a great help
Thanks
Ramya
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2009 Dec 03
2
Dataframe help
Hi there
I have two dataframes
Dataframe_1
column_1 colum_2
121 12345
145 1675
167 2765
Dataframe_2
column_1 column2
121 abc
345 lmn
167 efg
I want a resulting dataframe
121 12345 abc
167 2765 efg
how do i go abt it
Ramya
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2008 Nov 25
2
dataframe
hi there
I have a dataframe
abc 123 345
abc 345 456
lmn 567 345
hkl 568 535
lmn 096 456
lmn 768 094
i want the uniques of column 1 and there corresponsing column 2 and 3
output
abc 123 345
lmn 567 345
hkl 568 535
cbind(DF1[,1],DF1[which(unique(DF1[,1]),c(2,3)])
but didnt work
kindly let me know how to go abt it
ramya
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2008 Nov 05
3
Dataframe help
Hi there,
I have a dataframe length.unique.info
> length.unique.info
abc 12 345
def 16 550
lmn 6 600
I want those names that fall under the condition (length.unique.info[,2][i]
<=5 && length.unique.info[,3][i] >=500)
abcder<-length.unique.info[which(length.unique.info[,2][i] <=5 &&
length.unique.info[,3][i] >= 500),1]
will "&&" look for
2008 Nov 05
3
Sort help
Geneset_name #Chromosome #Hit_in_Biomart
original_geneset_len Missing.genes
[1,] "AGUIRRE_PANCREAS_CHR12" "1" "51"
"59" "8"
[3,] "AGUIRRE_PANCREAS_CHR9" "1" "24"
"24"
2008 Sep 05
3
comparing two files
Hi there
I have two object on is a vector T and the other is dataframe C.
vector T has more no of rows when comapred with a dataframe Ccolumn[,2].I
want to find the the missing rows in dataframe C.That is those values that
are not matchig in dataframe C[,2]
Kindly give me suggestion on how to go about it.
Ramya
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2008 Jul 21
3
vector help
hi
I have vector test. It has 3 elements. I want to join the three into one
vector.
"Geneset=HSA04910_INSULIN_SIGNALING_PATHWAY-157- 20".
how can i do it.
> class(test)
[1] "character"
> test
[1] "Geneset=HSA04910_INSULIN_SIGNALING_PATHWAY" "157"
[3] "20"
Ramya
--
2008 Sep 17
5
inserting values for null
I have a dataframe D.F1
>dim (D.F1)
14351 9
This dataframe has values and for some 1000 rows it holds NULL values.I hace
found the missing values for about 500 and have those in another dataframe
D.F.sub.2
>dim(D.F.sub.2)
500 9
as dataframe is a subset of D.F1 the coulmn 1 in D.F.sub.2 is a subset of
D.F1.I have to insert the values in D.F1 in other fields while the coulmn 1
in both
2008 Jul 28
2
writing the plots
hi there,
I want to write the plots in the pdfs and the details about the graph in a
seperate notepad.
plot(as.numeric(lapply(resultgenes,length)),
main= "Geneset.gene#.bias.test",xlab="Top.Ranked.Genesets",
ylab="gene.number.per.geneset")
lines(loess.smooth(c(1:1000),as.numeric(lapply(resultgenes,length)), span =
2/3, degree = 1,
family =
2008 Oct 09
3
LIST HELP
Hi,
I have a list(A1) of dataframe and a vector containing a 22 list names.
list(A1)
abc
l m n
p q r
dce
e g h
l k m
kpo
a d c
also i have a vector of list names.
abc,dce similarly i have 22 elements.
I wanna delete or want a list without the list elements whoes name match up
the vector.
my result should be
kpo
a d c.
i tried lapply it is in working in the way i want.
Kindly help me
2008 Jul 11
3
List help
hi,
I need to remove the list that does not have any values.Do suggest me the
way to do it.
result<- list()
> head(result)
[[1]]
[,1] [,2] [,3]
[[2]]
[,1] [,2] [,3]
[[3]]
[,1] [,2] [,3]
[[4]]
[,1] [,2] [,3]
[[5]]
[,1] [,2] [,3]
[1,] "HIGD1C" "SNP_A-2058537" "4"
[2,] "HIGD1C" "SNP_A-1955347"
2008 Aug 05
4
PDF append help
hi there,
Is there any function to append the pdf file.
I want to write in a pdf file some 100 plots(in one single pdf containing
100 plots) while all the plot are created using a for loop.
I can create 100 pdf one for each for each plot using a for loop but i want
only one pdf with 100 plots.
Ramya
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2011 May 20
3
Adding a numeric to all values in the dataframe
Hi there
I just want to add 2 to all the values in dataframe.
I tried using sapply but it seem to die all the time.
Any help would be appreciated.
Thanks
Ramya
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2009 Dec 07
3
Regular expression help
Hi there
I have a string like this i want to extract 9831019 from this string i used
a regular expresion \d+ by which i can only make it to see 7 and returns.
This type of number(9831019) appears in any part of the string and is
definitely more than 5 digits all the time and i want to give that as a
condition
UV7C11-F9-E1 MCS#9831019
MCS Lot #9512516"
how do i go abt it
Ramya
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2011 Feb 18
1
Find peaks in dataset(x,y) and area for each peak
http://r.789695.n4.nabble.com/file/n3312061/x_and_y_values.txt
x_and_y_values.txt
I have the absorbance values form HPLC Chromatogram. I need to find the
peaks in datapoints and area under each peak.
I am not sure how how to find the peaks, I tried couple of libraries and
peak function but they return me a list of values which when computed from
area turns out to be huge nnumbers. In the
2008 Jun 24
1
R help on for loop
hi,
I have a data stored in table format. The data is stored in the name map.
500545 rows and 3 columns.
I want to use a for loop to scan through till the end of the row.
can i use like this.
for ( i in 1:row(map)
{
}
Kindly clarify me
Cheers
Ramya
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2008 Jul 02
1
help on list comparison
hi
I want to compare two list by its names and get the values of that list.
can anybody let me know the syntax of comparing the list by their names
using a for loop
c.genes<- list()
for(i in 1:100)
c.genes[[1]]<- geneset(which(geneset == tobecampared[i]))
}
here geneset is a list and also tobecampared is a list
Thank you
Ramya
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2008 Sep 10
2
comparing a list and vector and returnig the listname
hi,
I have list of length 5453 and vector of length 14318.I need to compare the
vector with the list and return the list name if matched.I am thinking of
using an lapply but how to retrive the listname is wat i am puzzled abt.
kindly let me know how to go abt it.
Ramya
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2008 Nov 21
3
list of list objects
hi there,
I have a list of list objects i need to remove the top layer
[[1]]
[1].0
"ABC" "DEF""LMN"
[1].1
"WER" "ERT" "TRY"
[[2]]
[2].0
"ASD","wer""qwe"
[2].1
"wdv""ghj""ggj"
I wanna avoid the top layer...that is [[1]] [[2]] shouldnt be there
just a simple list is wat i need.