Displaying 20 results from an estimated 2000 matches similar to: "placing a text in the corner of a plot"
2009 Jan 17
2
splitting a string / finding a numeric value within a string
Hi,
I have this variable;
x <- c("test_01.log")
and I want to extract the number (01) out of the variable.
So that I get;
 > x
[1] 1
I tried strsplit, but I don't know how to refer to the result.
Can someone help me with that?
	[[alternative HTML version deleted]]
2008 Oct 16
4
counting the frequencies of a vector
Hi,
Is there a function which counts the frequencies of the occurence of a  
number within an interval?
for example I have this vector:
x <- c(1, 3, 1.2, 5, 5.9)
and I want a vector that gives me the frequencies within an interval  
of 2, beginning at 0
(so the intervals are 0-2, 2-4, 4-6 and so on)
so I get these frequencies:
2, 1, 2
Which functions do I have to use for this purpose?
2009 Jan 17
3
converting multiple variable numbers
thanks for the great help!
But I have one additional question (hope I can work alone then);
I want to replace the values of a vector, like this:
x <- c(1,2,2,3,3,4,4,4,5,1)
x[x==1] <- c(12)
x[x==2] <- c(13)
x[x==3] <- c(17)
x[x==4] <- c(20)
x[x==5] <- c(22)
is there a way to do that just in one or two code lines?
I tried
x[x == c(1:5)] <- c(12,13,17,20,22)
but that
2008 Dec 16
2
converting a data-frame by a defined rule
Hi,
I have a data frame with several columns.
Now I want to transfer the data into a new variable (also a data  
frame), but I only want a part of the data, defined by a rule ...
for example; I have following data frame:
row1 	row2 	row3
x		2		3
x		1		4
y		5		3
y		2		3
I know want a data frame, only with lines containing x in row1.
I know how to do that for one row    (f <-
2009 Jan 12
2
writing an own function - is.factor
Hi,
I try to write an own function in R.
I want a summary table with descriptive statistics.
For example, I have this data.frame:
  d <- data.frame(c(rep("m",5), rep("f",5)), c(1:10))
  names(d) <- c("x", "y")
  d
   	 x  y
1  	m  1
2  	m  2
3  	m  3
4  	m  4
5  	m  5
6  	f  6
7  	f  7
8  	f  8
9  	f  9
10 	f 10
now I want to get the mean and
2009 Feb 08
1
sub() with "+" - invalid regular expression
Hi,
can someone help me;
I don't understand why this code doesn't do what it's supposed to do;
x <- c("F+", "F+")
x <- sub("F+", "F", x)
x
[1] "F+" "F+"
(I want "F" "F")
when I try this;
x <- c("F+", "F+")
x <- sub("+", "", x)
x
I get an error
2008 Sep 29
4
histogram-like plot with two variables
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2009 Jan 17
5
changing a range of values
Hi,
If I have following vector;
x <- c(1,1,1,2,2,3,4,4,5)
and I want to change values in the range of 1 to 3 into the value 1,  
how can I do that?
I tried
x[x == c(1:3)] <- c(1)
but than I get;
  x
[1] 1 1 1 2 1 1 4 4 5
R doesn't change the 2 into a 1.
But why?
2009 Jan 11
1
boxplots: yaxp does not work
Hi,
I'd like to change the y-tickmarks of a boxplot.
But it doesn't work with yaxp (like I would do it in a plot-function).
Can someone help me out?
2008 Aug 10
1
box-plot without a box surrounding the plot
Hi,
I want to draw a boxplot and I want to get rid of the surrounding box.
So that there are only the axis lines left on the bottom and on the  
left.
I tried a litte bit with box() but I dont get it the way I want.
Can somebody help me out?
2008 Aug 10
1
customizing the axis (adding labels)
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2009 Jan 17
2
data.frame: how to extract parts
Hi,
I have a problem with the R syntax.
It's perhaps pretty simple, but I don't understand it ...
I can extract a column from a data.frame with the following code for  
example ...
b$row1[b$row1 == "male"]
so I see all male-entries.
But I cannot extract all lines of a data.frame depending on this  
criterium;
only.male <- b[b$row1 == "male"]
With that, I
2009 Jan 18
2
distance between plot-region and main-title / saving plot as pdf
Hi,
is there a way to increase the distance beween the plot (or plot- 
region) and the main-title?
I haven't found anything via ?par().
Thanks for any help!
2009 Jan 22
2
plot: abline() - define line length
Hi,
is there a way to define, that a line drawn via abline() should only  
go from for example -2 to 1 on the x-axis (with something working  
similiar to xlim()) ?
thanks for any help!
2009 Feb 13
2
second axis title orientation
Hi,
I have added a second y-axis via axis() to a plot.
Then I tried to add an y axis title.
But the axis() function seems to have no argument like ylab.
and if I add a title with title() the text is centered at the first  
axis, not the second defined one.
Is there a way to add an axis-title that orientates it's position at  
the last defined axis?
2008 Dec 16
1
refer to next line within a data-frame an select cases
Hi,
I have a problem sorting and selecting entries within a data-frame and  
I don't know if it is possible to solve it with R ... (probably yes,  
but I have no idea how).
Following Data;
row1	row2
a		12
pos		NA
a		3
neg		NA
a		5
neg		NA
a		11
pos		NA
I want to extract the values in row 2 in the lines with an  "a" in row1.
But I want to have two vectors: vector x with all
2005 Dec 21
8
textilize - redcloth
Hi,
I''m using textilize with redcloth 3.0.4. Everything works best except 
that paragraphs are not translated as an HTML paragraph
When I write something like:
*first paragraph*
second paragraph
the output is without paragraph:
*first paragraph*
second paragraph
Any help??? Thanks
Jörg
2005 Jan 28
17
breakpoint not working
I keep getting:
No connection to breakpoint service at druby://localhost:42531
(DRb::DRbConnError)
Tries to connect will be made every 3 seconds...
This happens every time i run ./script/breakpointer using 0.9.5 on OSX
or Windows.
Any ideas?
2011 May 25
3
libxl: setmaxmem functionality?
Hi,
the function libxl_domain_setmaxmem in libxl.c doesn''t
seem to do anything besides argument checking,
or am I overlooking something?
Cheers,
Markus
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2002 Nov 27
1
Can't print from Windows XP Client to samba
Hello,
i've a fairly standard samba setup (using version 2.2.4). 
       server string = jetsys SMB server (%h)
        workgroup = jetsys
        os level = 65
        security = user
        encrypt passwords = Yes
        null passwords = yes
        guest account = nobody
#       map to guest = Bad User
        map to guest = Bad Password
# This tells samba to write log files per