Dear Gabor:
I did not have time to look at this issue these few days. Now I saw your
investigation. I am very grateful that you quickly identify the root cause
of this. It seems that a little caution needs to be exercised when applying
sqldf to text file with large number of blanks (I have no contr
On Wed, Mar 2, 2011 at 10:17 AM, xin wei wrote:
> I am sorry for posting the wrong source file. the correct source file is as
> follows:
> a b c
> aa 23
> aaa 34.6
> 77.8
>
> They are tab delimited but somehow could not be displayed correctly in
> brows
Dear Mr. Grothendieck :
thank you so much for your attention. You are the real expert here. the
following is a mock text file:
a b c
aa 23
aaa 34
77
note that both b and c column contain missing value (blank)
I save it under my C drive and use bo
I am sorry for posting the wrong source file. the correct source file is as
follows:
a b c
aa 23
aaa 34.6
77.8
They are tab delimited but somehow could not be displayed correctly in
browser.
--
View this message in context:
http://r.789695.n4.nab
On Tue, Mar 1, 2011 at 11:52 PM, xin wei wrote:
> Dear subscribers:
>
> I am using the following code to read a large number of big text files:
> library(sqldf)
> tempd <- file()
> tempdx <- sqldf("select * from tempd", dbname = tempfile(), file.format =
> list(header = T, sep="\t", row.names
Dear subscribers:
I am using the following code to read a large number of big text files:
library(sqldf)
tempd <- file()
tempdx <- sqldf("select * from tempd", dbname = tempfile(), file.format =
list(header = T, sep="\t", row.names = F))
The problem is: all my numberical variable become facto
6 matches
Mail list logo
