Displaying 7 results from an estimated 7 matches for "blizi".
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bliki
2006 May 21
3
Unreadable labels
...specify a font,
because mosaicplot doesn't accept the "font.axis" parameter.
Looking at the demo(graphics), I can also recognize some unreadable
labels. Do you think it's only the matter of the X-Window system?
Installed fonts? Any hints appreciated.
Regards,
Maciej
--
Maciej Blizi?ski <m.blizinski at wit.edu.pl>
http://automatthias.wordpress.com
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2006 Feb 17
1
Transforming results of the summary function
...need them saved as a CSV file, so I'd like the result to have the form of:
level Min. 1st Qu. Median Mean 3rd Qu. Max.
lev1 1.444 1.596 2.295 2.232 2.295 3.529
lev2 -1.6490 -1.1160 -0.4043 -0.3330 -0.2023 1.7060
Can you give me any hints?
Regards,
Maciej
--
Maciej Blizi??ski <m.blizinski at wit.edu.pl>
http://automaciej.blogspot.com/
2006 Sep 17
2
Standard error of coefficient in linear regression
...could be the estimated coefficient. What is x then?
Regards,
Maciej
[1] http://www.statpac.com/statistics-calculator/correlation-regression.htm
[2] http://www.answers.com/topic/standard-error-of-the-estimate
[3] http://www.answers.com/topic/standard-error-of-the-regression-coefficient
--
Maciej Blizi?ski <m.blizinski at wit.edu.pl>
http://automatthias.wordpress.com
2006 Sep 10
1
Rpart, custom penalty for an error
...f successes are not the original numbers from the sample,
they seem to be cloned success-observations.
I'd like to split the tree just as weights parameter allows me to,
keeping the original number of observations in the tree plot. Is it
possible? If yes, how?
Kind regards,
Maciej
--
Maciej Blizi?ski <m.blizinski at wit.edu.pl>
http://automatthias.wordpress.com
2005 Apr 24
2
Garbled plot label
...ificationRate?action=AttachFile&do=get&target=TwoFactorResiduals.png
This was from using "plot(model_object)" which produces 4 plots at
once. Can I fix it somehow?
I already tried googling, and searching R maillist archives and didn't
find a relevant discussion.
--
Maciej Blizi??ski WZ403 <m.blizinski at wsisiz.edu.pl>
Wy??sza Szko??a Informatyki Stosowanej i Zarz??dzania
pod auspicjami Polskiej Akademii Nauk
http://info.wsisiz.edu.pl/~blizinsk/
2005 May 04
3
How to intepret a factor response model?
Hello,
I'd like to create a model with a factor-type response variable. This is
an example:
> mydata <- data.frame(factor_var = as.factor(c(rep('one', 100), rep('two', 100), rep('three', 100))), real_var = c(rnorm(150), rnorm(150) + 5))
> summary(mydata)
factor_var real_var
one :100 Min. :-2.742877
three:100 1st Qu.:-0.009493
two
2005 Mar 21
1
Remove columns from data-frame
Hello,
I'm new to the list, hello everybody! :-)
I have a question. I looked carefully through the documentation and
googled, and found no answer, so I'm posting it here.
Let's say I have a data frame with lots of columns (about 300), which
are factors. Many columns-factors have only one level, for example all
are "Yes" or all are "No".
If I try to do a