Displaying 20 results from an estimated 657 matches for "istas".
Did you mean:
listas
2011 Aug 22
3
automatic file input
Dear all,
I have 100 files which are used as input.and I have to input the name of my files again and again.the name of the files are 1.out, 2.out......100.out.
I want to know if there is anything like perl so that i can use something like this-
for($f = 1; $f <= 100; $f++) {
$file = $f.".out";
I have tried this thing in R but it does not work.Can somebody please help me.
2017 Aug 23
3
Getting all possible combinations
ummm, Ista, it's 2^n.
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Wed, Aug 23, 2017 at 8:52 AM, Ista Zahn <istazahn at gmail.com> wrote:
> On Wed, Aug 23, 2017 at 11:33 AM, Christofer Bogaso
>
2011 Mar 11
4
Any existing functions for reading and extracting data from path names?
Hi helpeRs,
I have inherited a set of data files that use the file system as a
sort of poor man's database, i.e., the data files are nested in
directories that indicate which city they come from. For example:
dir.create("deleteme")
for(i in paste("deleteme", c("New York", "Los Angeles"), sep="/")) {
dir.create(i)
for(j in
2011 Feb 11
6
linear models with factors
i am trying to fit a linear model with both continuous covariates and
factors. When fitted with the intercept
term the first level of the factor is treated by R as intercept and the
estimate of the effects of remaining levels(say i th level) are given as
true estimate of i th level - estimate of 1st level.can any please help me?
thanks in advance.....
--
View this message in context:
2011 Jul 25
4
ggplot question: changing the label for the Y axis on a histogram
Some help with how to re-label the vertical axis in a histogram would be appreciated.
qplot(off.sc,weight=rel.freq,binwidth=.29,main="test Figure"+ylab("New from inside"))+ylab("New from outside")+
xlab("off.sc\nAggregated frequency plots for 17 equal intervals.")
The code
2011 Feb 21
2
Equivalent of log file in R?
Hi everyone,
Is there a way to make R save the workspace output (just the results,
not the objects themselves) as you go? I'm running analysis that takes
a long time to run and I want to be able to interrupt it without
losing all the output to date. Is there an alternative to putting
"save.image()" commands after every couple lines of code?
Best,
Tatyana
2011 Jun 08
3
How to suppress factor labels
I am using ggplot2 to make a boxplot that overlays a scatterplot:
pp = qplot(time, error, data=times, size=I(1), geom="jitter", main=title,
ylab="Error (min)", xlab="Time before ON (min)", alpha=I(1/10),
color=times$runway,
ylim=c(-30,40))
pp2 = pp + with(times, facet_wrap(~ runway, ncol=2))
print(pp2 + geom_boxplot(alpha=.5,
2009 Nov 20
2
Finding & replacing non-ASCII characters
Hi guys,
Are there any feasible methods in searching & finding non-ASCII characters
in R?
For example, from the following object,
x <- mia. SzaÌmitaÌó
The desired output is,
x.out <- mia. SzaImitaIA
Your help in resolving this would be greatly appreciated.
[[alternative HTML version deleted]]
2017 Aug 23
0
Getting all possible combinations
On Wed, Aug 23, 2017 at 12:35 PM, Bert Gunter <bgunter.4567 at gmail.com> wrote:
> ummm, Ista, it's 2^n.
ummm yes ughhhh.
My point is, if the number of groups is large, check it before hand.
If you can check it without embarrassing yourself in public like I did
that's even better.
Best,
Ista
>
> Cheers,
> Bert
>
>
> Bert Gunter
>
> "The trouble
2017 Jul 06
3
Efficient swapping
Thanks a lot, Ista! I really appreciate it.
How about a slightly different case as the following:
set.seed(1)
(tmp <- data.frame(x = 1:10, R1 = sample(LETTERS[1:5], 10, replace =
TRUE), R2 = sample(LETTERS[2:6], 10, replace = TRUE)))
x R1 R2
1 C B
2 B B
3 C E
4 E C
5 E B
6 D E
7 E E
8 D F
9 C D
10 A E
Notice that the factor levels between
2017 Aug 23
2
Getting all possible combinations
> On 23 Aug 2017, at 20:51 , Ista Zahn <istazahn at gmail.com> wrote:
>
> On Wed, Aug 23, 2017 at 12:35 PM, Bert Gunter <bgunter.4567 at gmail.com> wrote:
>> ummm, Ista, it's 2^n.
>
> ummm yes ughhhh.
>
You didn't really say otherwise: sum(choose(n,0:n)) == 2^n by the binomial expansion of (1+1)^n (but you knew that)
This points to a different
2009 Oct 25
1
A naive question about permutation tests in the coin package
Dear R helpers,
I am trying to understand how to use the independence_test function in
the coin package. I think I suffer from a misunderstanding about what
the package does. Either that or I do not understand how to use it
properly. Specifically, I cannot understand if I can test independence
of arbitrary statistics.
Take the following example:
set.seed(10)
d <- data.frame(y = c(rnorm(10,
2017 Jul 06
0
Efficient swapping
Untested, but I expect that setting the levels to be the same across the
two factors
levels(tmp$R1) <- levels(tmp$R2) <- LETTERS[1:6]
and proceeding as before should be fine.
Best,
Ista
On Jul 6, 2017 6:54 PM, "Gang Chen" <gangchen6 at gmail.com> wrote:
Thanks a lot, Ista! I really appreciate it.
How about a slightly different case as the following:
set.seed(1)
(tmp
2012 Jan 03
2
Comparison of numeric and character vectors
Hi all,
I just discovered that R considers characters to be really big:
> "a" > 999
[1] TRUE
> "a" > 9e307
[1] TRUE
> "a" > 9e308
[1] FALSE
and that some characters are literally infinitely big:
> "Z" >= Inf
[1] TRUE
although not all:
> "a" > Inf
[1] FALSE
This came as a surprise to me (although it is quite
2011 Mar 25
4
two plots in qplot
Hello
I simply want to plot two variables against one 'year' variable in
qplot.
Is any way of doing this without reshaping data in long format and using
facet function afterwards?
Thank you
Denis
2017 Dec 07
4
Remove
> On Dec 6, 2017, at 4:27 PM, Ashta <sewashm at gmail.com> wrote:
>
> Thank you Ista! Worked fine.
Here's another (possibly more direct in its logic?):
DM[ !ave(DM$x, DM$GR, FUN= function(x) {!length(unique(x))==1}), ]
GR x y
5 B 25 321
6 B 25 512
7 B 25 123
8 B 25 451
--
David
> On Wed, Dec 6, 2017 at 5:59 PM, Ista Zahn <istazahn at gmail.com> wrote:
2017 Dec 09
0
Remove
Hi David, Ista and all,
I have one related question Within one group I want to keep records
conditionally.
example within
group A I want keep rows that have " x" values ranged between 15 and 30.
group B I want keep rows that have " x" values ranged between 40 and 50.
group C I want keep rows that have " x" values ranged between 60 and 75.
DM <-
2013 Oct 19
1
XML package not working
I know I cannot be the only one who is not able to install the XML package from CRAN (zip or tar file) Many packages depend on this XML package. Can someone help me either access the source for a good binary? I have received no assistance from the author/developer of the package.
Steven
Steven D. Randolph
Associate Consultant
Enterprise Capabilities - Business Intelligence & Analytics
Eli
2011 Jul 26
2
Accessing the index of factor in by() function
Hello,
Here are three vectors to give context to my question below:
*id <- c(1,1,1,1,1,2,2,2,3,3,3))
month <- c(1, 1, 2, 3, 6, 2, 3, 6, 1, 3, 5)
value <- c(10, 12, 11, 14, 16, 12, 10, 8, 14, 11, 15)*
and I want to plot "value" over "month" separately for each "id". Before I
can do that, I need to section both month and value, based on ID. I create a
2011 Mar 08
3
A plot similar to violin plot
Dear R Users,
I would like to know is there any package to create a plot like this?
http://dl.dropbox.com/u/5409929/cs1160521f01.gif
X axis is categorical. And the positions of the points are
corresponding to the frequency. (similar to violinplot)
Thank you.
Regards,
CH
--
CH Chan