Displaying 20 results from an estimated 2000 matches similar to: "Plotting Factors -- Sorting x-axis"
2008 Jun 23
3
Getting only label column of a data frame
Hi,
How can I extract the label only from a given data frame.
Fore example from this data frame.
> print(dataf)
V1 V2 V3 V4 V5 V6 V7 V8 V9
11145 14.3 17.1 31.2 41.7 45.8 49.8 68.6 70.6 72.9
3545 10.2 15.6 20.9 23.2 31.4 31.7 36.2 48.4 51.9
8951 15.2 17.5 20.0 21.4 32.4
2007 Apr 20
2
sorting data in R
hello,
I'd like know how to sort a data frame in R for example how I should do to sort by Catholic with swiss data frame like below
thanks
Fertility Agriculture Examination Education Catholic Infant.Mortality
Courtelary 80.2 17.0 15 12 9.96 22.2
Delemont 83.1 45.1 6 9 84.84 22.2
2008 Oct 26
1
Variance generic function:
Hi Dear R-users:
I am building a R package and would like to create a generic variance
function. Here is how I did
var=function(x,...)
{
UseMethod("var")
}
I wrote a Rd file, put the R code in the right directory, and named var,
var.default in the namespace. However, once I typed rcmd check , it gave me
an error in S3-generic step. However, that error would not occur for mean
and
2015 Feb 20
4
why HLS/DASH are problematic in an Icecast context
On Fri, Feb 20, 2015 at 10:25 AM, Daniel James <
daniel.james at sourcefabric.org> wrote:
> Hi Thomas,
> > Let's start with HLS:
> > - It's not a standard. It's current status is that it's an *expired*
> > draft[1].
>
> Does that suggest a lack of interest in an open standard?
I'm actually not sure how it is expired... The most recent HLS
2011 May 16
2
conditional rowsums in sapply
Hi all
I have a data frame with duplicate columns and i want to remove duplicates
by adding rows in each group of duplicates, but have lots of NA's.
Data:
dfrm <- data.frame(a = 1:4, b= 1:4, cc= 1:4, dd=1:10, ee=1:4)
names(dfrm) <- c("a", "a", "b", "b", "b")
dfrm[3,2:3]<-NA
dfrm
a a b b b
1 1 1 1 1 1
2 2 2 2 2 2
3
2019 May 01
4
Webm files written without duration in header
Hi Fred.
Appreciate your response.
Maybe in my explanation I have some red and green apples, but I can
agree that my understanding is as you explained it. 😊
The point is that if I can successfully stream mp4 with H.264 and AAC
encoding without any issues to icecast, I can then use ffmpeg to
turn it into HLS which then solves my iOS support issue. The CPU
cost of repackaging MP4 into HLS
2024 Mar 21
2
Education - 1, 000s, 100, 000's, Millions of listeners. (What kind of infrastructure)
Hi Wayne
Yep, HLS is something we would like to use with Icecast. As you mentioned, Liquidsoap made a great step in the right direction if it comes to HLS. It seem that icecast might not get this support soon, as you might read in the discussion list. I don?t share these arguments, because we have real world use cases (we have many of them) where we would like use icecast with HLS support.
2015 Feb 20
3
why HLS/DASH are problematic in an Icecast context
Hi,
as there seems to be some interest in this topic, I'm opening a separate
thread.
Also please use proper in line comments and do NOT top post, as top
posting breaks readability and discussion flow.
Let's get some things out of the way:
I'm going to acknowledge that HLS and DASH are things that are out
there. Especially HLS is being pushed by the likes of Apple, in parts
quite
2020 Oct 27
2
HLS enabled mounts
We use Icecast version 2.4.4 and recently added an intro (preroll) to
one of our channels. Although we haven't had any direct complaints,
there has been a discussion thread with some of our public radio
colleagues getting complaints about users receiving a repeat of the
intro many times when their device switches from WiFi to LTE or unstable
Internet connections.
One of our colleagues
2015 Feb 20
4
why HLS/DASH are problematic in an Icecast context
On 2015-02-20 7:25 AM, Daniel James wrote:
> I don't understand why this has to be so limited, because the basic
> idea, as I understand it, is to extend the .m3u playlist format so that
> stream listeners can automatically choose alternative sources for the
> same content. That could be implemented in a codec-agnostic way.
Stitching together compressed media streams for gapless
2020 Oct 28
3
HLS enabled mounts
Hi Robert,
Unfortunately I am not replying to answer your question but to ask a question on pre-roll. I am working on a similar project but still at the configuration stages. For some reason my intro file is not being played. I am also using Icecast 2.4.4 and have four mount points on one relay server. I am trying to use my intro file on only one mount point. I am also doing mp3 not HLS.
2012 Jul 06
4
differences between survival models between STATA and R
Dear Community,
I have been using two types of survival programs to analyse a data set.
The first one is an R function called aftreg. The second one an STATA
function called streg.
Both of them include the same analyisis with a weibull distribution. Yet,
results are very different.
Shouldn't the results be the same?
Kind regards,
J
--
View this message in context:
2011 Jan 31
2
From data frame to list object
Dear all, let say I have following data frame:
> data.frame(x=rnorm(18), y=rep(c("a", "b", "c"), each=6))
x y
1 -1.072152537 a
2 0.382985265 a
3 0.058877377 a
4 -0.006911939 a
5 -2.355269051 a
6 -0.303095553 a
7 0.484038422 b
8 0.733928931 b
9 -1.136014346 b
10 0.503552090 b
11 1.708609658 b
12 -0.294599403 b
13
2024 Mar 21
2
Education - 1, 000s, 100, 000's, Millions of listeners. (What kind of infrastructure)
On Thu, 21 Mar 2024, Wayne Barron wrote:
> Looking through HLS, I found this.
> https://github.com/mbugeia/srt2hls
Or you could just use ffmpeg:
ffmpeg -hide_banner -i "${icecaststream}" -c:a copy -vn -strftime 1
-f hls -hls_time 6 -hls_list_size 10 -hls_segment_filename "${hlspath}radio-%Y%m%d-%s.ts"
-hls_flags delete_segments -segment_format mpegts
2019 May 01
3
Webm files written without duration in header
Hi there
Thanks Thomas. I was hoping to avoid remuxing as my objective is to run an
extremely lightweight server. Just tested and the CPU runs between 9% and
23% for a lecture of 90 minutes - took 18sec. Yes it's a lightweight
server, but like I said, that's the objective, and quite a nice challenge
:-) CPU = cost and if you have to remux for 1000 clients in a day,
integrity of live
2019 May 01
1
Webm files written without duration in header
Hi Marvin
I followed this advice for updating moov flags in mp4 and it "streams"
directly from the file location on the server with html5 video:
https://rigor.com/blog/optimizing-mp4-video-for-fast-streaming.
Progressive downloading, seeking and video time all works 100% on a 195MB
file.
Regards
On Wed, May 1, 2019 at 10:19 PM Marvin Scholz <epirat07 at gmail.com> wrote:
>
2011 Jan 31
2
Missing at random
R users:
Thanks in advance
 How to generate missing at random (MAR)?
assaedi76@yahoo.com
Thanks
[[alternative HTML version deleted]]
2013 Mar 06
2
Fwd: How to conditionally remove dataframe rows?
Hi,
I have a data frame with two columns. I need to remove duplicated rows in
first column, but I need to do it conditionally to values of the second
column.
Example:
Point_counts Psi_Sp
1 A 0
2 A 1
3 B 1
4 B 2
5 B 0
2011 Jul 15
3
summarized data set - how to use an "occurs" field
I have a data set with 22 fields and several thousand records in which
one field (count) indicates the number of times that each specific
combination of the other 21 fields occurred in a bigger and largely
unavailable data set.
So each record is unique in its combination of field values and has a
field that identifies how many multiples of this record actually
occurred.
Without resorting to
2024 Mar 20
2
Education - 1, 000s, 100, 000's, Millions of listeners. (What kind of infrastructure)
Tom and Frederick.
Thank you both for your input. It is greatly appreciated, not only by me,
but I am sure for many others who find this thread.
Tom - using Linux server for icecast.
HLS was brought to my attention a while back on the liquidsoap forum.
I have not had a chance to completely look in on it, but do plan on
checking it out.
Tom. You have your icecast servers in a round robin