Displaying 20 results from an estimated 30 matches for "cat3".
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2010 Apr 12
2
Interpreting factor*numeric interaction coefficients
...om of this message, but here
is a section of its summary table:
Estimate Std. Error z value Pr(>|z|)
(Intercept) 1.220186 0.539475 2.262 0.0237 *
var1 0.028182 0.050850 0.554 0.5794
cat2 -0.112454 0.781137 -0.144 0.8855
cat3 0.339589 0.672828 0.505 0.6138
var1:cat2 0.007091 0.068072 0.104 0.9170
var1:cat3 -0.027248 0.064468 -0.423 0.6725
I am having trouble interpreting this output.
I think I understand that:
# the 'var1' value refers to the slope of the r...
2007 Dec 19
3
median of binned values
...(or bins), and I need to find the median category.
Trivial to do by hand, but I was wondering if there is a means to do it
in R in an elegant way.
The obvious medioan(vector) returns the median frequency for the binns,
and that is not what I want. i.e,:
freq
cat1 1
cat2 10
cat3 100
cat4 1000
cat5 10000
I want it to return cat5, instead of cat3.
Thanks a lot
Martin
2011 Jan 17
2
matrix manipulations
...2", "cat5", "cat6")))
> m1
cat2 cat5 cat6
land 32 35 36
water 12 15 16
m2 <- matrix(c(45, 46, 47, 48, 21, 22, 23, 24), nrow = 2, ncol = 4, byrow = TRUE, dimnames = list(c("land", "water"), c("cat1", "cat2", "cat3", "cat4")))
> m2
cat1 cat2 cat3 cat4
land 45 46 47 48
water 21 22 23 24
So my end desired result should be a matrix (or a data frame) that has 6 columns called cat1 to cat6 and 2 rows labeled land and water, and for the category that appears in both m1 and m2 t...
2005 Mar 24
9
Forklift a 2000 phone PBX
...es/box, I'll bid twenty
Asterisk boxes with ten boxes at each of two hosting locations. Each
phone will have registrations to both sites.
The big unknown is wiring. I'm going to assume the worst, that the
existing LAN is overloaded. I would a) have to make LAN wiring out of
existing Cat3 wiring, or b) install a new voice-only LAN.
Does anyone know how to qualify existing Cat3 wiring for use as a LAN?
Has anyone does an Asterisk system on this scale?
Thanks for your help,
Mike
P.S. Sorry for the cross post, but I would like everyone to see this.
2006 Aug 24
1
Using a 'for' loop : there should be a better way in R
...ot; loop approach
which seems okay as it is a small dataset. It looks
a bit inelegant and given all the warnings in the
Intro to R, etc, about using loops I wondered if
anyone could suggest something a bit simpler or more
efficent?
Example:
cat1 <- c( 1,1,6,1,1,5)
cat2 <- c( 1,2,3,4,5,6)
cat3 <- c( 5,4,6,7,8,8)
cat4 <- c( 1,2,1,2,1,2)
years <- c( 'year1', 'year2', 'year3', 'year3',
'year1', 'year1')
id <- c('a','a','b','c','c','a')
df1 <- data.frame(id,years,cat1,cat2, cat3,...
2010 Jun 09
2
cbind with vectors of different lengths?
Hello R help
I have a dataframe, with 71 samples (rows) and 30 variables. I got linear models for some of the variables,? and I want to join fitted and residuals of these models to the data frame. Sometimes, these vectors have the same length of the dependant variable, but in a few cases, NA values can be found on my data, and therefore, both fitted and residuals have a few rows less than the
2010 Sep 29
0
R Graphic - Tellis as a potential
Hello all,
I have been meaning to learn R for a while and have just subscribed to this
list. I am planning to give R a shot at one of my live projects. I am looking
to explore graphical features of R on my data below.
Sample Data:
Cat1 - Cat2 - Cat3 - Cat4 - NumPeople - Salary
H - L - H - L - 100 - 50000
L - L - L - L - 40 - 30000
- H - H - - 100 - 45000
Cat1 through Cat4 are categorical variables containing High, Medium, Low or
Blank values and the last two variables are continuous.
1. Is there a good way of graphically representing th...
2011 Apr 12
2
Converting a categorical variable to multiple dichotemous variables
I have a categorical variable in a dataframe similar to the following...
cat
1
1
3
2
4
I need to convert it to 4 dichotemous variables for each observations like...
cat1 cat2 cat3 cat4
1 0 0 0
1 0 0 0
0 0 1 0
0 1 0 0
0 0 0 1
Thanks in advance!
Shane
2006 Mar 25
2
acts_as_tree wierdness with children.count and children.size
i am making a category tree and i iterate over the category using my
counter_cache however it would show a different number than what was
actually being represetned in the tree.
Here is an example
cat.children = [cat2, cat3]
puts cat.children.size 2
puts cat.children_count 2
cat4.parent_id = cat.id
cat4.save
puts cat.children.size 2
puts cat.children_count 2
however cat.children.count produces the correct number...
2004 Apr 28
4
Best echo-free and trouble-free system?
We currently have a 15-phone system using Asterisk, a combination of
analog phones/Grandstream HandyTone-286 and Grandstream BT101s, and 4
X100Ps connected to analog lines. The system works well except for
the occasional echo problem. I have all the echo parameters
configured, removed all the extra incoming analog lines except to the
PBX, etc. following all the advice on the wiki and on the
2007 Mar 28
7
wireless desktop phones
I am looking for completly wireless desktop phones. Until I realized we
needed wireless i was going to use polycom soundpoint 501's. Any
suggestions on a comparable wireless phone?
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2010 Oct 23
1
Summarizing For Values with Multiple categories
Hi all,
I have some data as follows.
Cat1 Cat2 Cat3 COG Counts
A B C COG1 10
B D COG2 20
C COG3 30
D COG4 40
I would like to sum all the counts for each category:
A B C D
10 30 40 60
>CAT2COG<-
list(A="COG1",B=c("COG1","COG2"),C=c("COG1&qu...
2004 May 14
1
Loop length supported by FXS module on Wildcat TDM400 card
Does anyone know (appoximately) the max loop length that the FXS module on a
Wildcat TDM400 card will drive an analog phone(over standard - say cat3 or
26 gage twisted-pair wire). It's clearly not going to be 18kft, but perhaps
4000 feet?
Thanks
Elliot Eichen
elliot.eichen@tbx25.tonebridge.com
2004 Aug 07
1
Lots of FXS ports / Channel Bank ?
Hi,
I have a client that have currently 400 analog phones (all wired w/ Cat3). I need multi-ports FXS interfaces but I only find 24 ports FXS (like Mediatrix 1124) but it's a little bit expensive to get 15-16 box (~408 FXS ports).
Someone have suggestion to link all theses phones to "channel bank" ? What equipment to use ?
Currently all 400 lines are termina...
2012 Nov 27
1
For-loop,string variables, and the $-operator
...category and the individual data points in each category are binary
responses (in this case they are actually 1's and 0's). What I want to
extract are the counts for each category and put them in a vector. To do
that I used the following:
cats<-c("cat1","cat2", "cat3", ...)
c()->counts
for(j in cats){
append(counts, sum(data$j)) -> counts
}
However, the 'counts' object only contains 0's after the script runs:
counts
[1] 0, 0, 0, ....
After replacing various elements in the script to isolate wh...
2013 Jan 01
1
Order variables automatically
Hi,
I have a dataset with 6 categorical variables. I have used this following code to make the variables u1-u6 ordered factors and this works well.
cat1cat2 cat3 cat4 cat5 cat6
? 0 ? ?? 1 ? ? 1????? 0 ??? 0? ?? 1
? 1 ? ?? 1 ? ? 0 ? ?? 0 ? ? 0 ? ? 0
.......
....
############
data<-read,table("example.txt")
data <- as.data.frame(lapply(data, ordered))
############
Now, suppose I have bigger dataset where some variables are categorical (...
2004 Feb 24
2
Samba Slow, and I have high Quality NICS
I have SLOW file transfers across samba to my Windows Server 2000 domain.
I am using a built in 100bT Intel Pro NIC, I have tried the built in gigabit
NIC and a PCI 3com, all with the same results.
Using iperf, I get about 45-90Mb of bandwidth from my PC's to my samba
server.
I can pull it up by \\servername <file:///\\servername> or \\ipaddress
<file:///\\ipaddress> with out
2009 Aug 21
2
compare observed and fitted GAM values
Hi,
I am comparing the observed and fitted values of my GAM model, which includes the explanatory variables: longitude, depth, ssh, year and month. When I compare observed and fitted values for longitude, depth and ssh it works. But when I try to do it for month and year (which are as factors in the GAM model) it doesn't work. My observed and fitted values are exactly the same.. How is that
2004 Apr 10
1
Hum/bux on line
Rich Hi,
After Qwest pronounced my circuits as within spec. (yes, disconnected
from the house) I listened on the lines with my butt set. Clear of all
noise and hum. I then got my box of Cat3 and laid a circuit around the
outside of the house and into my lab. Still clear of all noise and hum.
I then connected the circuit to the Adtran and made a call. Lots of
hum and buzzz.
As I said, I replaced all the Adtran components with no effect. I then
switched the Adtan with one at a...
2005 Sep 24
1
Encrypt some services with ipsec
Hi all,
I have two prodction servers with FreeBSD 5.4 (all security patches
are applied). They running some services like dns, ssh, http, ftp, etc.
But I woukd like to encrypt some services for some hosts with ipsec when
it is accessed. For example:
- DNS resolution: not encrypted.
- DNS replication master-slave: encrypted by ipsec.
- Telnet: encrypted by ipsec for some hosts. Deny