Dear Petr,
This code does not work ?
For selection values you can use e.g. [
data(iris)
sel<-iris$Sepal.Width>4
iris[sel,] or iris[sel, c(1,3,5)]
the data is csv file which is :
FCPval <- read.csv("C:/Users/shawin/Desktop/RProgramms/RAdipose/FCPval.csv")
;
Fc2<-(FCPVal$Fc>=2 | FCPval<=-2); this will just come out , true false
not extracting the Fc ,
#####################################################################################################
FCP<-as.matrix(sapply(FCPval,as.numeric))
A=as.data.frame(FCP)
Fc2<-(A$Fc>=1.3| A$Fc<=-1.3) & A$p=0.05; // has error when i combine
condition
Error in (Fc2 <- (A$Fc >= 1.3 | A$Fc <= -1.3) & A$p) = 0.05 :
could not find function "<-<-"
write.csv(Fc2,"Fc2.csv",row.names =FALSE )
please need help
On Thu, Sep 3, 2015 at 8:56 AM, Shawin Karim <shawinka...@gmail.com> wrote:
> Oh sorry F<2 & F<-2 , i need to extract the row value according to the
> last two column F,P and using condition ,
>
> I attached an test file to see the data
>
> On Thu, Sep 3, 2015 at 8:43 AM, PIKAL Petr [via R] <
> ml-node+s789695n4711787...@n4.nabble.com> wrote:
>
>> Hi
>>
>> what is F?
>>
>> F>2 & F<2
>> this is FALSE for all values of F
>>
>> What value you want to extract? All rows corresponding to condition or
>> just values from specific column.
>>
>> For selection values you can use e.g. [
>> data(iris)
>> sel<-iris$Sepal.Width>4
>> iris[sel,] or iris[sel, c(1,3,5)]
>>
>> Cheers
>> Petr
>>
>> From: Shawin Karim [mailto:[hidden email]
>> <http:///user/SendEmail.jtp?type=node&node=4711787&i=0>]
>> Sent: Thursday, September 03, 2015 9:17 AM
>> To: PIKAL Petr
>> Subject: Re: [R] Converting CSV file to numeric and calculate ttest
>>
>> I solve it , thanks but i have an issue please :
>>
>>
>> have a csv file and i would like to extract the value of it with specific
>> range fof the last column for example; F>2 & F<2 & P=1, and then write the
>> result to csv file.
>>
>> the data is :
>> x1
>>
>> x2
>>
>> x3
>>
>> x4
>>
>> x5
>>
>> x6
>>
>> 9.488404
>>
>> 9.470895
>>
>> 9.282434
>>
>> 9.366707
>>
>> 9.955383
>>
>> 9.640816
>>
>> 8.63063
>>
>> 8.558311
>>
>> 8.788391
>>
>> 8.576231
>>
>> 8.671588
>>
>> 8.84298
>>
>> 9.354749
>>
>> 9.367669
>>
>> 9.259953
>>
>> 9.421538
>>
>> 9.554635
>>
>> 9.603745
>>
>> 9.944864
>>
>> 9.950428
>>
>> 10.19102
>>
>> 10.07351
>>
>> 10.0327
>>
>> 10.13079
>>
>>
>> Fc
>>
>> p
>>
>> 1.037883
>>
>> 0.320095
>>
>> 1.057708
>>
>> 0.060132
>>
>> 1.065191
>>
>> 0.111192
>>
>>
>>
>>
>> I tried the code bellow but , it does not work?
>>
>> FCPval <-
>> read.csv("C:/Users/shawin/Desktop/RProgramms/RAdipose/FCPval.csv")
>>
>> c=as.data.frame(FCPval)
>>
>> for (i in 1:rowN){if (C$F[i] >= 2 && C$F[i]<=-2&& C$p[i]<=3){
>>
>> dfrmPFC=data.frame(Fc=FC,p=p)}
>> }
>>
>> the error is :
>>
>> Error in C$FC : object of type 'closure' is not subsettable.
>>
>> can i extract the value according to the condition
>>
>> On Thu, Sep 3, 2015 at 8:14 AM, PIKAL Petr <[hidden email]
>> <http:///user/SendEmail.jtp?type=node&node=4711787&i=1><mailto:[hidden
>> email] <http:///user/SendEmail.jtp?type=node&node=4711787&i=2>>> wrote:
>> Hi
>>
>> p value of what? How do you know that it should be 0.3?
>>
>> Your HTML post is mangled and almost unreadable.
>>
>> Your code is not reproducible, we do not have AT1.csv
>>
>> AT1 shall be numeric so your reading process is wrong and following
>> conversion to numeric shall be umnnecessary if you read your data properly.
>>
>> Cheers
>> Petr
>>
>> > -----Original Message-----
>> > From: R-help [mailto:[hidden email]
>> <http:///user/SendEmail.jtp?type=node&node=4711787&i=3><mailto:[hidden
>> email] <http:///user/SendEmail.jtp?type=node&node=4711787&i=4>>] On
>> Behalf Of shawin
>> > Sent: Wednesday, September 02, 2015 9:08 PM
>> > To: [hidden email]
>> <http:///user/SendEmail.jtp?type=node&node=4711787&i=5><mailto:[hidden
>> email] <http:///user/SendEmail.jtp?type=node&node=4711787&i=6>>
>> > Subject: Re: [R] Converting CSV file to numeric and calculate ttest
>> >
>> > p value should be 0.3
>> >
>> > On Wed, Sep 2, 2015 at 8:07 PM, Navien [via R] <
>> > [hidden email] <http:///user/SendEmail.jtp?type=node&node=4711787&i=7>
>> <mailto:ml-node%[hidden email]
>> <http:///user/SendEmail.jtp?type=node&node=4711787&i=8>>> wrote:
>> >
>> > > I have a csv file i convert it to numeric value , then i apply t-test
>> > > , but t-test result is not correct: please could you guide me. the
>> > data :
>> > > ID x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14 x15 1367452_at
>> > > 9.488404158 9.470895414 9.282433728 9.366707445 9.955383045
>> > > 9.640816474 9.606262272 9.329651027 9.434541611 9.473922432
>> > > 9.311412966
>> > > 9.3154885 9.434977488 9.470895414 9.764258059 1367453_at 8.630629966
>> > > 8.55831075 8.788391003 8.576231135 8.671587906
>> > > 8.842979993 8.861958856 8.58330436 8.603596508 8.570129609 8.59798922
>> > > 8.572686772 8.679751791 8.663950953 8.432875347 1367454_at
>> > 9.354748885
>> > > 9.367668838 9.259952558 9.421538213 9.554635162
>> > > 9.603744578 9.452197983 9.284228877 9.404607878 9.317737979
>> > > 9.343115301
>> > > 9.310644266 9.27227486 9.360337823 9.44706281 1367455_at 9.944863964
>> > > 9.950427516 10.19101759 10.07350804 10.03269879
>> > > 10.1307908 10.03487287 9.74609383 9.886379007 9.775472567 10.036596
>> > > 9.544738458 9.699611598 9.911962567 9.625804277
>> > > AT1 <-
>> > > read.csv("C:/Users/shawin/Desktop/RProgramms/RAdipose/AT1.csv",
>> > > stringsAsFactors=TRUE)
>> > >
>> > >
>> > > str(AT1)
>> > > matAT = data.frame(AT1[,-1])
>> > > str(matAT)
>> > > write.csv(matAT,"matAT.csv",row.names=FALSE)
>> > > #convert the csv file to numeric
>> > > matAT<-as.matrix(sapply(matAT,as.numeric))
>> > > str(matAT)
>> > > group<-factor(rep(c("Ob","Ln"),times=c(7,8)))
>> > > t.test(matAT[1,]~group)
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > ------------------------------
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