Displaying 20 results from an estimated 10000 matches similar to: "abline limit constrain x-range how?"
2009 Jan 24
2
Is abline misbehaving?
Hi experts,
I was graciously offered a function to enhance abline by restricting the
extent of the line to less than the plotting region. This seems a useful
idea, and it looked like the easiest way to program it was to set up a
clipping region with "clip", draw the abline and then restore the
previous clipping region. Let us call this function ablineclip. After
quite a bit of
2009 Jan 24
2
Is abline misbehaving?
Hi experts,
I was graciously offered a function to enhance abline by restricting the
extent of the line to less than the plotting region. This seems a useful
idea, and it looked like the easiest way to program it was to set up a
clipping region with "clip", draw the abline and then restore the
previous clipping region. Let us call this function ablineclip. After
quite a bit of
2010 Sep 20
3
How to set the limit of abline (regression line of lm)
Dear List,
I ran a regression model using lm and produced a regression line using
abline.
The line ranges from -20 to 20 in x axis,
and the section I only want is from -20 to 0.
Please kindly advise any function in abline () to set the range of x axes.
Thank you
Elaine
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2010 Aug 12
3
Median abline how-to ?
Hi,
I'm newbie with R and don't really know how to add a median line to each
of the groups that is not all the plot long.
Here is a small working code that i have adapted for my purpose. If
somebody could tell me how to draw median lines on each group and not
all plot long.
ctl <- c(4.17,5.58,5.18,6.11,4.50,4.61,5.17,4.53,5.33,5.14)
trt <-
2011 Oct 22
4
issue loading doBy library
Hello,
How can I fix this? I have the latest version of R 2.13.2 and I use Mac OS X 10.7.2
> library(doBy)
Loading required package: lme4
Error in dyn.load(file, DLLpath = DLLpath, ...) :
function 'cholmod_l_start' not provided by package 'Matrix'
Error: package 'lme4' could not be loaded
> library(lme4)
Error in dyn.load(file, DLLpath = DLLpath, ...) :
function
2011 Nov 10
2
2^k*r experimental design and anova
Hello,
Can anyone point me to an online tutorial or book containing the easiest way to do ANOVA over the result data from a 2^k*r experiment. It is not clear to me if I can pass the raw data corresponding to each experiment or just the summarized data i.e. mean, sse, std, etc.
I would like to get the:
- box plot showing the effect for the different factors and levels
- plot showing whether there
2011 Oct 23
4
summarizing a data frame i.e. count -> group by
Hello,
This is one problem at the time :)
I have a data frame df that looks like this:
time partitioning_mode workload runtime
1 1 sharding query 607
2 1 sharding query 85
3 1 sharding query 52
4 1 sharding query 79
5 1 sharding query 77
6 1 sharding query 67
7 1
2007 Mar 20
5
abline within data range
Dear R helpers,
I would like to have abline, for a lm model for
example, lying within data range. Do you know how to
get it?
Thank in advance
Nguyen D Nguyen
#CODE
x<- rnorm(200, 35,5)
y<- rnorm(200, 0.87,0.12)
plot(y~x, xlim=c(0,50), pch=17, bty="l")
abline(lm(y~x))
# I would like abline is between min(x) and max(x)
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2011 Dec 26
2
glm predict issue
Hello,
I have tried reading the documentation and googling for the answer but reviewing the online matches I end up more confused than before.
My problem is apparently simple. I fit a glm model (2^k experiment), and then I would like to predict the response variable (Throughput) for unseen factor levels.
When I try to predict I get the following error:
> throughput.pred <-
2012 Sep 09
2
use subset to trim data but include last per category
Hello,
I bumped into the following funny use-case. I have too much data for a given plot. I have the following data frame df:
> str(df)
'data.frame': 5015 obs. of 5 variables:
$ n : Factor w/ 5 levels "1000","2000",..: 1 1 1 1 1 1 1 1 1 1 ...
$ iter : int 10 20 30 40 50 60 70 80 90 100 ...
$ Error : num 1.05e-02 1.24e-03 3.67e-04 1.08e-04
2010 May 01
1
ggplot2's geom_errorbar legend
Hello,
I create a simple ggplot that only shows a straight line. I then add three datasets of CI using the geom_errorbar function. The problem is that I can't find any way to have the legend showing up ... I need to show what each color of the CIs corresponds to i.e. which method.
Can anyone advice please?
TIA,
Best regards,
Giovanni
2010 Apr 17
2
interpreting acf plot
Hello,
I am attending a course in Computational Statistics at ETH and in one of the assignments I am asked to prove that a time series is not autocorrelated using the R function "acf".
I tried out the acf function with the given data, according to what I found here: http://landshape.org/enm/options-for-acf-in-r/ this test data does not look IID but rather shows some trends so how can I
2011 Nov 12
2
dev.new() within a loop
Hello,
I have a loop where I iterate performance data files within a folder, parse and plot them in one shot (see below).
However, when executing plot_raw which invokes dev.new(..) all windows come out blank whereas if I execute each file outside of a loop then I can see the plots properly. What's wrong here?
Thanks in advance,
Best regards,
Giovanni
# given a directory name, it will
2011 Dec 07
1
data frame and cumulative sum
Hello,
I have a data frame that looks like this (containing interarrival times):
> str(df)
'data.frame': 18233 obs. of 1 variable:
$ Interarrival: int 135 806 117 4 14 1 9 104 169 0 ...
> head(df)
Interarrival
1 135
2 806
3 117
4 4
5 14
6 1
>
This corresponds to the time differences (in ms) of a poisson arrival
2011 Nov 23
1
R-latex syntax highlighting?
Hello,
Can anyone provide or point me to a good setup for the listings latex package that would produce nice R-syntax highlighting?
I am using an example I found in internet for setting up listings like this:
\lstset{
language=R,
basicstyle=\scriptsize\ttfamily,
commentstyle=\ttfamily\color{gray},
numbers=left,
numberstyle=\ttfamily\color{red}\footnotesize,
stepnumber=1,
numbersep=5pt,
2010 Apr 30
4
plotting multiple CIs
Hello,
I need to plot multiple confidence intervals for the same model parameter e.g. so for the same value of the parameter in point x_1 I would like to see four different confidence intervals so that I can compare the accuracy e.g. boot basic vs normal vs my own vs classic lm CI etc.
I like very very much the plotCI implemented here:
http://cran.r-project.org/web/packages/plotrix/index.html
2007 Dec 18
1
Multiple plots with single box
Hello,
I am trying to display some harmonic functions in a plot. The kind of
display I have in mind is like the one that cn be obtained by a call
to plot.ts with plot.type = "multiple". The only difference is that I
want a single box containing all the plots instead of one box per
plot. I thought box(which = "outer") would have done the job, but it
didn't.
Below is the
2010 May 14
2
plot with no default axis labels
Hello,
I could not find an easy way to have the plot function not display the default x and y-axis labels, I would like to customize it to show only points of interest ... I would like to:
1- call plot that show no x-axis and y-axis labels
2- call axis specifying the exact points of interest for the x and y-axis
Maybe they can both be achieved in the plot function call but I can't find the
2011 Nov 13
2
2^k experiment generator
Hello,
While looking for info on 2^k experimental design and anova I remember I saw somewhere there was a function to generate all the experiments. I can't find the function anymore can anyone suggest?
The function takes as input the factors and levels and generates all the experiments. I know I can do it myself using recursion but I want to avoid 1) reinventing the wheel and 2) making
2011 Oct 24
1
binning runtimes
Hello,
Suppose I have the dataset shown below. The amount of observations is too massive to get a nice geom_point and smoother on top. What I would like to do is to bin the data first. The data is indexed by Time (minutes from 1 to 120 i.e. two hours of System benchmarking).
Option 1) group the data by Time i.e. minute 1, minute 2, etc and within each group create bins of N consecutive