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全部话题 - 话题: intercept
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f*******e
发帖数: 1061
1
这次是标准3
The U.S. Missile Defense Agency (MDA) and Japan in a joint missile intercept
test Wednesday night failed to hit a missile launched off Hawaii’s coast
The MDA and the Japan Ministry of Defense launched a medium-range ballistic
target missile from the Pacific Missile Range Facility at Kauai, Hawaii at
approximately 7:20 p.m.
The USS John Paul Jones destroyer tracked the target missile, then launched
a Standard Missile-3 (SM-3) Block IIA guided missile, “but the missile did
not intercept the... 阅读全帖
s*******e
发帖数: 226
2
来自主题: Statistics版 - questions about intercept term in regression
I'm working on a random intercept model. I wonder why the model gives all
significant covariates if I exclude a constant intercept, but the results
become insignificant when I include the constant intercept.
I know in most cases an intercept term should be included in a regression
even it's not significant. But is there a theory about why to include
intercept or not?
Thanks in advance for any input.
g**1
发帖数: 10330
3
http://www.youtube.com/watch?v=n7wKEQFf5JY
5/10/2012 - Second-Generation Aegis Ballistic Missile Defense System
Completes Successful Intercept Flight Test The Missile Defense Agency (MDA)
and U.S. Navy sailors aboard the USS LAKE ERIE (CG 70) successfully
conducted a flight test of the Aegis Ballistic Missile Defense (BMD) system,
resulting in the first intercept of a short-range ballistic missile target
over the Pacific Ocean by the Navy's newest Missile Defense interceptor, the
Standard Missil... 阅读全帖
s*******e
发帖数: 226
4
来自主题: Statistics版 - questions about intercept term in regression
Yes, my question is whether the constant intercept (a) is necessary to
be included given that a random intercept u_i (often called error
component) is specified.
The results indicates that the key covariates are significant when the
constant intercept is excluded, and become insignificant when the
constant intercept is present. Why it makes such difference.Which model
should I believe?

only be
differ
there
might
s*r
发帖数: 2757
5
来自主题: Statistics版 - questions about intercept term in regression
1)after a second thought i think you are right in that a continuous variable
, including intercept, can be both fixed and random in a mixed effect model
2)people below have explained your question about why some effects become
insignificant after including the intercept. let me clarify
the fixed intercept has an estimated value -5 if it is included, in this
case, the estimates for both lagq2 and compiii are larger than 1.5
when the fixed intercept is excluded, estimates for both lagq2 and compii
s*******u
发帖数: 2249
6
来自主题: Statistics版 - questions about intercept term in regression
根据你数据做出的模型INTERCEPT不是有统计意义?你模拟的数据INTERCEPT是有意义还是无意义?
为什么INTERCEPT有统计意义,还要去假定一个Y=A*X是正确的模型?而且你模型的INTERCEPT=-5.7038,绝对值对比其他系数也挺大的,怎么就可以忽略?
y*****n
发帖数: 5016
7
来自主题: Statistics版 - measuring the change of intercept
In financial industry, we track the change of the slope of log odds against
score bands to measure the deterioration of seperation power. on the other
hand, a parallel shift of the line, or say, a change of intercept should
indicate a overall increase/decrease of quality across all score bands
thereby strategists may need to adjust the cut-offs.
my question is, to measure the change of intercept, if i put the intercept
difference between current and baseline in the numerator, then what should
be... 阅读全帖
A*******s
发帖数: 3942
8
来自主题: Statistics版 - measuring the change of intercept
definitely not directly use the intercept in a logit model, since intercept
has no physical meaning at all. And think about if the intercept is very
close to zero or is negative.
Go back to scorecard alignment practice--usually we use two metrics--target
odds at a reference score, and points double the odds--to build a linear
transformation between xbeta and score. The former stands for absolute risk
level of the score (intercept), and the latter is about relative risk (
slope). So the answer t... 阅读全帖
w*******y
发帖数: 60932
9
Bestbuy has the Samsung Intercept for 179.99 this week. The last time it
was close to this price was Black Friday/Cyber Monday I believe.
I got it price-matched at Target because Target has a 90 day return policy.
I also used my Target Red Card that gave me an extra 5% off.
It's 179.99 at BESTBUY LINK:
http://www.bestbuy.com/site/Virgin Mobile - Samsung Intercept No-Contract Mobile Phone - Dark Gray/1409226.p?id=1218255995990&skuId=1409226&st=samsung intercept&cp=1&lp=1
$249 at Target LINK:
ht... 阅读全帖
c**i
发帖数: 6973
10
First Qualification Firing of SAMP/T Medium-Range Air-Defence Missile
against Short-Range Ballistic Missile. French Ministry of Defense, Nov. 25,
2010 (translation).
http://www.defense-aerospace.com/article-view/release/120463/eurosam-achieves-europe%E2%80%99s-first_ever-intercept-of-a-theater-ballistic-missile.html
My comment:
(a) Aster (missile family)
http://en.wikipedia.org/wiki/Aster_(missile_family)
(a family of surface-to-air missiles manufactured by Eurosam, a European
consortium consist... 阅读全帖
s*******e
发帖数: 226
11
来自主题: Statistics版 - questions about intercept term in regression
In a random intercept model, we add a random intercept as an error
component and a constant intercept. It's like
y_it= a + bx_it + u_i + error_it
D******n
发帖数: 2836
12
来自主题: Statistics版 - questions about intercept term in regression
ur terminology confuses people here. Intercept is intercept, it can only be
one.
(a+u_i) is ur intercept here, it is random and it is different across differ
ent groups. ( it is like in the anova model yi=mu+a_i+eij, u dont say there
is a constant effect mu and another effect a_i)....
you should list the model statement u wrote in ur sas script, then we might
know what u really did...
s*******e
发帖数: 226
13
来自主题: Statistics版 - questions about intercept term in regression
I got your point, which helps indeed. But in your example, you assume
y=a+bx is the correct form. By the same token, if we assume y=bx is the
correct model, the results will be different.
If you try the following;
data two;
DO x=0 TO 100 BY 1;
y=UNIFORM (0)*10*x;
OUTPUT ;
END;
run;
title "with intercept";
proc mixed data=two;
model y=x /s;
run;
title "without intercept";
proc mixed data=two;
model y=x /s noint;
run;
You will find the model without intercept has a bit lower BIC and x is
much more
s*******e
发帖数: 226
14
来自主题: Statistics版 - questions about intercept term in regression
This is a good point. In my model, the dependent variable is of firm
risk, and the covariates are a series of firm characteristics and market
conditions. Strictly speaking, when all those covariates are zero, which
means the firm is out of market or no longer exists, the firm's risk
should also be zero. In this sense, the intercept does not have any
meaningful effect.
I'm not sure about the intercept issue only because it's very common in
finance literature to include an intercept in regression
F********r
发帖数: 407
15
来自主题: NCAA版 - NND Interception
NND Interception - QB bad decision. 一边一个interception, 算是平了。
q******r
发帖数: 6542
16
来自主题: astrology版 - 截夺星座 Intercepted Signs (zz)
截夺星座 Intercepted Signs
翻译:芦苇湖的风筝+scf
www.12sign.cn
所有星座大小都是一样的,都覆盖 30度,然而宫覆盖的面积却可能不同。你离赤
道越远,宫的大小差异就会越大。这就会造成一些星座被截夺,就是指一个星座完全落
入一个宫中,没有任何宫头落入这个星座,星座被截夺会有什么影响呢?
以下所有的一切都源于Joanne Wickenburg极富创造性的发现。她最先在 1978年出
版的“Intercepted Signs: Environment vs. Destiny” 中报告了被截夺星座对人的
影响,这本书现在已经不再出版了,不过别担心在1992年出版的Your Hidden Powers一
书中详细的进行了说明,以下的内容就是她书中内容的简述。我强烈推荐想深入研究的
读一下她的 Your Hidden Powers这本书。
天宫图是对称的,所有如果有一个星座被截夺,那么它正对面的星座也会被截夺。
天宫图上一共有12个星座12个宫位,每个宫的宫头都会落入一个星座中,如果两个星座
被截夺了,另外两个星座就会有两宫的宫头落入,并且担任起双倍的责任。
W
r**o
发帖数: 481
17
来自主题: Programming版 - How to intercept a method call (转载)
【 以下文字转载自 Java 讨论区 】
发信人: roro (yoyo~Madredeus-Miradouro de Santa Catar), 信区: Java
标 题: How to intercept a method call
发信站: BBS 未名空间站 (Wed Jun 1 15:28:46 2011, 美东)
How to intercept a method call from the client without override the method
or change the client way of calling?
s*******e
发帖数: 226
18
来自主题: Statistics版 - questions about intercept term in regression
Thanks in advance.
The first set ist with intercept. The second set is without intercept.
The Mixed Procedure
Model Information
Data Set WORK.TEMP
Dependent Variable loggev
Covariance Structures Variance Components,
Autoregressive
Subject Effects
s*r
发帖数: 2757
19
来自主题: Statistics版 - questions about intercept term in regression
i just want to show you how the coefficient on the intercept can be divided
and shared by the coefficient of other factors when you force the intercept
out.
s*******e
发帖数: 226
20
来自主题: Statistics版 - questions about intercept term in regression
So back to the questions, given the different results between including an
intercept or not, which model is the right one?

divided
intercept
D******n
发帖数: 2836
21
来自主题: Statistics版 - questions about intercept term in regression
i think u still misunderstand the meaning of intercept.
if u think it is zeros, then why would u fit a random intercept model?
D******n
发帖数: 2836
22
来自主题: Statistics版 - questions about intercept term in regression
then it is not zero.....
and the model is odd...
if u believe intercept is zero just make it zero, u can make other factor ra
ndom, which u already did....thats fine, dont make the intercept random agai
n.
p********r
发帖数: 1465
23
请问怎么用SAS做呢?
我用proc rsreg,但是出来的model是有intercept的。我想用no intercept model,但
是无法像proc reg里那样用noint这样的option,请问应该怎么办呢?
谢谢了!
w*******y
发帖数: 60932
24
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w*******y
发帖数: 60932
25
Samsung Intercept (Virgin Mobile) $174.99 w/ free shipping @ virginmobileusa
.com
Virgin Mobile - Samsung Intercept No-Contract Mobile Phone - Dark Gray
SAMSUNG INT [virginmobileusa.com]
Reg. Price:$249.99
You Save:$75.00
Sale:$174.99
Free Shipping
S*********4
发帖数: 5125
26
No idaa.
Hope one day, China can intercept the MIDAS (Missile Defence Alarm Satellites) , which is at the hieght of 36K kms.
c**i
发帖数: 6973
27
Missile Defense Alarm System
http://en.wikipedia.org/wiki/Missile_Defense_Alarm_System
("Though MiDAS failed in its primary role as a system of infrared early-
warning satellites, it pioneered the technologies needed in successor
systems.")
So, it seems there is no need to intercept the MIDAS satellites.

Satellites) , which is at the hieght of 36K kms.
c**i
发帖数: 6973
28
Thieves World. Strategy Page, Sept 26, 2011
http://www.strategypage.com/htmw/htada/articles/20110926.aspx
("China admitted that it had recently tested a new anti-missile missile
technology. American sensors spotted this test, where two Chinese missiles
were fired towards each other, and disappeared as the warheads met. China
claimed that this test involved new mid-course correction technology. China
did not say what kind of missile was used to intercept the incoming
ballistic missile")
My commen... 阅读全帖
p*******m
发帖数: 20761
29
Chinese military jets intercept US aircraft: officials
P*****t
发帖数: 30
30
http://www.cnn.com/2009/WORLD/americas/02/27/canada.norad/
CNN) -- One day before U.S. President Barack Obama's Canadian visit last
week, Canadian fighter jets intercepted two Russian bombers near Canadian
air space, the defense minister said Friday.
"At no time did Russian planes enter Canadian air space, but within 24 hours
of the president's visit here ... we did scramble F-18 fighter planes from
NORAD in Canada command," Peter MacKay said in a news conference in Ottawa.
The Russian planes we
M****H
发帖数: 1057
31
邮寄错了一个贵的东西给买家,差价100多
周一投递到邮局,周二晚上发现有问题提交了USPS Intercept
今天一看还是在往原定目标去的路上,写信给买家,买家不回
网上查查,好像这服务的成功率很低
神医有啥看法没?打电话给投递当地的邮局?
估计最后只能摸摸鼻子算了,如果投递了然后买家不理的话
w****1
发帖数: 2887
32
来自主题: Football版 - 2-point conversion interception
这个interception以后怎么办?昨天看espn讲2003年wc里SFvsNYG的比赛有这个,但是
没讲规则。哪位讲讲?
f****g
发帖数: 2073
33
来自主题: Football版 - 如果end-zone intercept 后倒在end-zone
象刚才NE如果intercept 马上被按倒在end-zone, 怎么算?从哪儿开球?
P*******e
发帖数: 39399
34
来自主题: Football版 - Tebow传的球比龙哥的还难intercept
。。。。。。
跟龙哥的难intercept根本不是一个意思吧。。。
C*****E
发帖数: 2679
35
来自主题: Football版 - 蛇人的interception已经超过了revis
蛇人比revis大概少打了一半的比赛吧。
talib居然比revis的interception还多。
1 Ed Reed 2007 2013 1-24 TOT NFL 100 96 37 840
4 79
2 Asante Samuel 2007 2013 4-120 TOT NFL 98 94 35
504 4 102
3 Charles Woodson 2007 2014 1-4 TOT NFL 115 115
35 555 8 90
4 Antonio Cromartie 2007 2014 1-19 TOT NFL 126 117
31 545 3 99
5 DeAngelo Hall 2007 2014 1-8 TOT NFL 111 106 ... 阅读全帖
g*********d
发帖数: 8125
36
JH貌似球仍的速度很一般,跟去年BSU那个QB差不多,都很飘,比较容易被intercept
e*********6
发帖数: 3453
37
push不过去不用着急,一个interception就有一个TD了,弄不好一个长传也一个!!大
家不用怕。
我鸡无敌
e*********6
发帖数: 3453
38
今天搜了一些interception和fumble recovery的镜头,貌似球员拿到球之后,都基本
不传球,有些幸运的能TD,有些不幸的就在半路倒下了,是不是规则不允许传球,往后
传也不行啊?
e*********6
发帖数: 3453
39
太不思进取了,fumble recovery和interception拿TD的概率比普遍的进攻高多了。
w******g
发帖数: 2047
40
Inception means the beginning or creation of something.
中文翻译成盗梦空间, Interception 就是这个意思啊
c*****r
发帖数: 2866
41
inception, not interception
h******e
发帖数: 9616
42
查了一下 imdb, 有几套叫 interception 的,就是不知道楼主说的哪一套。
w********u
发帖数: 1815
43
你确定第一个不是Inception么。。。interception是football里的。。。
s*****w
发帖数: 215
44
最近自己在看
谁来大概说说
interception机制是啥意思
//thanks!!!
r**o
发帖数: 481
45
来自主题: Java版 - How to intercept a method call
How to intercept a method call from the client without override the method
or change the client way of calling?
e********I
发帖数: 693
46
☆─────────────────────────────────────☆
nightdreamer (我白天睡觉) 于 (Mon Jul 16 08:36:11 2007) 提到:
现有一panel data,
如果regression中,允许各group的intercept和slope都不同的话,这和每个group单独
跑回归有区别么?
☆─────────────────────────────────────☆
tslee (有人的故事) 于 (Mon Jul 16 16:54:49 2007) 提到:
如果所有交叉项都放了的话,没区别

☆─────────────────────────────────────☆
nightdreamer (我白天睡觉) 于 (Mon Jul 16 17:16:40 2007) 提到:
多谢了
☆─────────────────────────────────────☆
yaminxu99 (bbx) 于 (Thu Jul 19 17:01:31 2007) 提到:
记得不是很清楚了,但是应该不
s*******e
发帖数: 226
47
来自主题: Statistics版 - questions about intercept term in regression
Could you please tell more about your thoughts.
The -2RLL and AIC are about the same,but the covariates are only
significant in the model without intercept term.
Thank you.
s*******e
发帖数: 226
48
来自主题: Statistics版 - questions about intercept term in regression
Why we have to include an intercept term in the model, given that in my
model when all covariates are zero the dependent variable should also be
zero?

should
s*r
发帖数: 2757
49
来自主题: Statistics版 - questions about intercept term in regression
it is not easy to see
but i have difficulty to understand why you had the intercept both as a
random effect and a fixed effect in the model.
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