[R] rcorr error in R stat

[ruipbarradas at sapo.pt]

Hello,

Please keep this on the list, always cc r-help.
One of the files in your attachment is empty:

y <- read.csv(file.choose("GT.csv"))
Error in read.table(file = file, header = header, sep = sep, quote = quote,  :
  no lines available in input

Rui Barradas
 

Citando Chaitanya Ganne <Chaitanya.Ganne at jefferson.edu>:

> Thank you so much for your input.
>
> I am relatively new to R and I don't understand this "read.csv  
> returns data.frames". Sorry.
>
> This however did not work. "unlist(x) and unlist(y)". I got a series  
> of 43 warnings:
>
> Warning messages:
> 1: In doTryCatch(return(expr), name, parentenv, handler) :
>   "method" is not a graphical parameter
> 2: In doTryCatch(return(expr), name, parentenv, handler) :
>   "method" is not a graphical parameter
> .
> .
> .
> .
> .
>
>   "method" is not a graphical parameter
> 42: In doTryCatch(return(expr), name, parentenv, handler) :
>   "method" is not a graphical parameter
> 43: In cbind(x, y) :
>   number of rows of result is not a multiple of vector length (arg 2)
>  
> Would it help if I send the two csv files to you? I'd really  
> appreciate your help.
>
> Thanking you
>  
>
> -------------------------
> FROM: ruipbarradas at sapo.pt <ruipbarradas at sapo.pt>
> SENT: Wednesday, September 20, 2017 5:21:04 PM
> TO: Chaitanya Ganne
> SUBJECT: Re: rcorr error in R stat
>
> Hello,
>
> Maybe I'm completely off, but read.csv returns data.frames, which  
> are lists with a dim attribute.
> Instead of as.vector try unlist(x) and unlist(y).
>
> Note that if 'df' is a data.frame, class(as.vector(df)) returns "data.frame".
>
> Hope this helps,
>
> Rui Barradas
>  
>
> Citando Chaitanya Ganne <Chaitanya.Ganne at jefferson.edu>:
>
>> Good afternoon, 
>>
>> I have two variables x and y. I am trying to run a correlation  
>> between them as vectors. 
>> x <- read.csv(file.choose(NPA.csv))
>> y <- read.csv(file.choose(GT.csv))
>> res <- cor(as.vector(x), as.vector(y))
>> round(res, 2)
>> install.packages("Hmisc")
>> library(Hmisc)
>> res2 <- rcorr(as.vector(x), as.vector(y))
>> res2 <- rcorr(as.vector(x), as.vector(y))
>> Error in storage.mode(x) <- "double" : 
>>  (list) object cannot be coerced to type 'double'
>>  
>> ---------------------------------------------------
>>
>> In fact I find this is something to do with the way the matrices  
>> are being considered for rcorr to be different from the way the  
>> matrices are being considered for 'cor'. The cor function gave me  
>> this output as mentioned below. However I am using the rcorr  
>> function to build the correlplots later on.
>>            
>>
>>
>>   BC_11L_parstriangularis_1 	BC_12L_rostralmiddlefrontal_2  
>> 	BC_20L_fusiform_4 	BC_21L_inferiortemporal_3  
>> 	BC_23L_middletemporal_1 	vw_12L_rostralmiddlefrontal_2  
>> 	vw_19L_inferiorparietal_1
>>   CVLT_T4 	-0.23 	0.13 	-0.01 	-0.24 	-0.14 	0.02 	0.06
>>   CVLT_T5 	-0.28 	0.12 	0.04 	-0.25 	-0.19 	0.15 	0.11
>>   CVLT_Total 	-0.25 	0.07 	0.13 	-0.25 	-0.22 	0.05 	-0.05
>>   CVLT_LDF 	-0.16 	0.04 	0.16 	-0.23 	-0.32 	0.16 	0.01
>>   CVLT_RoF 	-0.12 	0.02 	0.06 	-0.04 	-0.14 	0.16 	-0.06
>>   CVLT_TDR 	-0.11 	0.1 	0.13 	-0.24 	-0.25 	0.25 	-0.06
>>   LM_I 	-0.46 	-0.19 	-0.11 	-0.06 	-0.24 	-0.01 	0.1
>>   LM_II 	-0.35 	0.06 	0.05 	-0.11 	-0.31 	0.22 	0.05
>>   p_REC 	-0.12 	-0.27 	0.36 	-0.19 	-0.09 	-0.17 	-0.21
>>   TF 	-0.01 	-0.01 	-0.21 	-0.2 	-0.27 	-0.07 	0.06
>>
>>  
>> Please help.
>>
>> /DR. GANNE CHAITANYA MD, PHD/
>>
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