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全部话题 - 话题: roulettes
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b********w
发帖数: 110
1
来自主题: JobHunting版 - Google电面第2轮面经
顶,标准的Roulette Wheel Selection 方法
rand01()产生出来的变量可以假设是uniform的,f(x)=1/N
选择第一个 的可能是 0.1,0.2 f(0.1<=x<0.2)
选择第二个的可能是 0.3,0.4 f(0.2<=x<0.3)
依次类推,选到的国家的比例是占总人口数的比例
f(a<=x<=b)=(a-b)/N
或者说,选到某一块(国家)是这一快占整个圆盘的比例。
i*******3
发帖数: 310
2
来自主题: JobHunting版 - Prudential的401(k)水平怎么样?
每年可以放满..不过如果你真的打算靠401k翻倍在短时间不太可能. 要翻倍去vegas
roulette 赌odd/even black/red 几率还有46%
P****2
发帖数: 197
3
来自主题: JobHunting版 - 贡献两道面试的概率题。
都是经典概率题
russian roulette: 6/11
coupon collection: 5/5+5/4+5/3+5/2+5/1
m*******p
发帖数: 1978
4
just stay the f away, unless you really like to play Russian roulette.
h***a
发帖数: 312
5
来自主题: NextGeneration版 - GMO
Do you know that a lot of GMO is present in baby food?
http://www.aaemonline.org/gmopost.html
https://www.youtube.com/watch?v=eeW5yUSqdhY
American academy of enviromental medicine
Genetically Modified Foods
According to the World Health Organization, Genetically Modified Organisms(
GMOs) are "organisms in which the genetic material (DNA) has been altered in
such a way that does not occur naturally."1 This technology is also
referred to as "genetic engineering", "biotechnology" or "recombinant D... 阅读全帖
h***a
发帖数: 312
6
来自主题: Parenting版 - Do you choose GMO?
http://www.aaemonline.org/gmopost.html
American academy of enviromental medicine
Genetically Modified Foods
According to the World Health Organization, Genetically Modified Organisms(
GMOs) are "organisms in which the genetic material (DNA) has been altered in
such a way that does not occur naturally."1 This technology is also
referred to as "genetic engineering", "biotechnology" or "recombinant DNA
technology" and consists of randomly inserting genetic fragments of DNA from
one organism to ano... 阅读全帖
l******2
发帖数: 5522
7
那你有1万美金的本钱吗?我叫你一招赌场比胜法。
你去casino玩roulette。 不要压号码, 只压单数或双数。
从最小$20开始下住, 坚持压单数或坚持压双数, 不要怕输钱, 每输一次, 加一倍
你的赌注。 一旦赢一次, 重新从$20开始下注。
如果你有1万, 你输光的可能只有连续10次你都压错了。 这很难,就像连续生了10个
女儿, 没有一个儿子。
g****u
发帖数: 695
8
来自主题: Stock版 - 在赌场看到轮盘赌
把前面的号记住,据说能找到规律,人称技术分析。见过一个最牛的,在边上站
了半个多小时,然后 all in 单号,中之;连本带利再次 all in 单号,又中之;然
后笑笑走了。
还有一些人出书讨论 money management 的,据说压对压错不重要,重要的
是 money management。
http://www.amazon.com/John-Patricks-Roulette-Managing-
Beating/dp/0818405872/ref=sr_1_5?ie=UTF8&qid=1309954124&sr=8-5
这里面还讲了很多 hedging strategy,据说靠这个牛人很少亏钱的。
b******r
发帖数: 16603
9
来自主题: Stock版 - Looks like time to sell GOOG is near!
GOOG Reaches new high at $150
After hours
>>P/E ratio of over 200 - is this insane or is it just me?
You are not insane. There are just a lot of idiots who don't understand how
the stock market works piling in like lambs to the slaughter.
A google share at this price is no longer an investment, it's a turn of the
roulette wheel banking on the bubble effect and it's just a matter of time
before the long painful price decline starts.
Anyone who regrets missing the IPO should not be kicking themsel... 阅读全帖
f*******h
发帖数: 721
10
来自主题: Stock版 - 为什么狗总是改不了吃屎?
历史上在热门股票上栽跟头的数不胜数。但众人前赴后继热情从来不减。
远的不说,近的比如RIM,FSLR还有一堆中概,巨大的问题都暴露在光天化日之下,还有
人拼命往里跳。这些人对这些公司没一点了解,也不知道他们能否解决这些问题。往里
跳可以说完全就是视死如归,玩儿russian roulette。
真搞不懂为什么对这些人来说,把闲钱存点CD,买点bond,买点JNJ, WMT, KO这样的蓝
筹股慢慢增值就那么难。
看来投资真的是主要靠情商,而非智商。
I***e
发帖数: 1136
11
来自主题: Stock版 - One Way to Look at Fiscal Cliff (FC)
这好比对着玩Russian Roulette的人说:别急,你本来可以再活60年,现在你数学期望
是再活50年,所以放心,呵呵。
V*****2
发帖数: 7930
12
来自主题: Stock版 - 真正的好股是ZNGA
Zynga dives into Internet gambling, in the UK
SAN FRANCISCO (Reuters) - Zynga Inc will take the plunge into real-money
gambling on Wednesday when it will begin offering poker and casino-style
games in Britain in partnership with Bwin.party Digital Entertainment.
The launch, announced Tuesday, marks Zynga's first foray into online
gambling, which it hopes can help reverse a steady decline in revenue as
users dwindle for its older Facebook games like "Farmville".
Shares in Zynga climbed 5.5 percen... 阅读全帖
c*******y
发帖数: 1630
13
这个属于理念,我的理解是你的首要目的是赚钱,那就是投机。
不管你是持有一毫秒还是20年,不管是spread还是分红。
我发那段给你看看,不
The supposed difference between investing and speculating deserves to be
explored, for it may have been getting in your way as you tried to come to
grips
with the First Axiom. We students of the Zurich Axioms frankly call
ourselves
speculators. This may make it sound to you as though you are being urged or
will be
urged to take wild and harebrained chances. You may think you'd rather be an
investor than a speculator. Being an ... 阅读全帖
W***n
发帖数: 11530
14
Gambler or Investor? The Truth About Why We Trade
Getting at the 'Thrill,' From Neuropsychology to Gamblers Anonymous
By
David Weidner
It is a well-worn cliche. The stock market is the capitalist casino, a place
where gambling wears a thin mask called investing.
It is a place where "buy gold" or "buy Pandora" can sound a lot like "come
on, seven!"
The idea, of course, is that we so-called investors aren't actually putting
our money to work. We are engaging in a socially acceptable version of the... 阅读全帖
L***6
发帖数: 8307
15
来自主题: Stock版 - 收盘前46.87全抛了Gpro
那一盘赌场的roulette猜颜色就可能翻倍了 概率将近百分之50 比股票靠谱哈哈
W***n
发帖数: 11530
16
There is a profound difference between investing your money and speculating
with it. The former suggests that you have a sound methodology in place from
which you can draw conclusions and gain valuable insight for your
investment decision making. A sound investing philosophy lends credibility
to one's actions, and increases the odds of success.
The latter, on the other hand, suggests that you have no investment
philosophy to fall back on. As a result, you are merely speculating, and are
quite co... 阅读全帖
j**s
发帖数: 1518
17
来自主题: Stock版 - how to trade UVXY(and make money)
say, you have 100k in your brokerage account and want to trade UVXY to make
some money. Here's what you should do:
Steps:
1. take out 20k in cash
2. drive to the nearest casino
3. find the VIP room and a roulette table
4. bet it all (red or black)
Here's the trick:
1. the odd is better than trading UVXY itself
2. you might double your investment this specific time, but...
3. if you keeping doing this, you will be wiped out in the long run
d********1
发帖数: 2462
18
去年的很多公司的buybacks,是把pe推到21的罪魁祸手,甚至很多公司低利息举债(
fbr才0),借了钱来buyback shares,现金不去进行capital investment扩展业务(像
amzn),去玩这种账面上改善eps, roa, roe的游戏去争取漂亮的股价,靠时间差,加息
是压垮这些公司的最后一根稻草;)。。share repurchase这种行为在经济大好,ER响
亮的时候无可非议,但是在去年,这就是非常短视的自杀行为了,这是危险的russian
roulette游戏,逃得慢的人买单;)。。
s****l
发帖数: 162
19
roulette 没有 bias. 要不然casino 早倒掉了.
reversion to the mean 不work
https://en.m.wikipedia.org/wiki/Gambler%27s_fallacy
without a little fa。ta is useless. 脱离实际

:如果股票价格即使像扔硬币一样随机分布也一样会有局部的trend,那么加上背后人为
:的操纵,比如庄家提前知道了散户不知道的消息,使得阶段性的trend会更可靠。
l*****e
发帖数: 3343
20
V. Conclusion
We test predictions of models of learning by rational traders and find clear
evidence that the decision to continue or increase day trading is influenced
by previous
day trading returns. Nevertheless, rational models of learning do not
explain all or even
most day trading. The most experienced day traders lose money and over half
of all day
trading can be traced to traders with a history of losses. Persistent
trading in the face of
losses is inconsistent with models of rational lea... 阅读全帖
g*********9
发帖数: 1285
21
组里原来有个印度哥们,经常去赌场,对国人赌技佩服不已。说是一个女的,
估计是香港的,玩roulette wheel(手动的),每晚都是大赢,每次他一看到那个女的
,就跟着她押,从来没输过。
y********n
发帖数: 4452
22
灰常厉害!连着3次roulette是单数的机会是1/8。如果开了两次单数,你去赌双数有7/
8可能性会赢。祝贺你成为未来最有钱的富翁。哈哈哈!
z****n
发帖数: 3189
23
波动大,有时候猪
p******e
发帖数: 327
24
We can play poker, blackjack, roulette or... anything fun.
PM me.
H*********n
发帖数: 1397
25
来自主题: Chicago版 - 被困Atlanta 三天了 无包求bless
附近有赌场吗?我两年前有一次心血来潮去horseshoe连续玩了37个小时(Caribbean
Stud, BlackJack, Roulette, PaiGow and 3 Card Poker). 早上十点出来竟然一点都
不困,直接去上班。
G****a
发帖数: 10208
26
来自主题: Missouri版 - 晒个人收藏(图) (转载)
还是玩Russian roulette,女神会更HIGH
p**********u
发帖数: 15479
27
来自主题: Missouri版 - 泥帮的辉煌
我的梦想是ivy 女生毕业晚会上,排成一个Russian roulette. 就像左轮手枪的弹仓打
开以后的六个洞一样。然后我每人50次,看最后射谁身上谁赢。就是被ivy叫来的
Chinese nerdy idiot phd。跟xporn video里面有个特nerdy 的Asian man white
female 一样的意思。可惜空有一厢情愿啊!

★ 发自iPhone App: ChineseWeb 1.0.4
j****y
发帖数: 1714
28
The following article says,
" there was no government plan adequate to respond to a disaster at the
Indian Point nuclear reactor, just 80 km from New York City. "
http://search.japantimes.co.jp/cgi-bin/fl20040523x2.html
Sunday, May 23, 2004
Japan's deadly game of nuclear roulette
By LEUREN MORET
Special to The Japan Times
Of all the places in all the world where no one in their right mind
would build scores of nuclear power plants, Japan would be pretty near
the top of the list.
An aerial view o... 阅读全帖
p***e
发帖数: 1318
29
来自主题: SanFrancisco版 - 每周一例: 顶尖好区十年回报率
maybe in a 差区, it might be sometimes a worthy debate whether there is a
buy
in opportunity.
If you try the overbidding game happening in Palo Alto, Saratoga, Cu these
years, it is the financial equivalent of russian roulette. You win, you die
.
And it is much more costly a mistake than those who bought in so-called
差区 and got foreclosed.

time
is
1980-
stock
v*****r
发帖数: 1119
30
来自主题: Seattle版 - The Summit
Youtube trailer:
https://www.youtube.com/watch?v=z0pPhTLvzu4
Netflix 上有这个片子,看完后被惊住了,不知道登山有这么危险。 284 个登顶 K2
的,81 个死在下山的路上,接近 25% 的死亡率 (不包括上山路上和未登顶返回路上
出事的,The Summit 里头两个出事的就还未登顶),靠,这和玩 Russian Roulette
有什么区别, 这要有多大的心脏才会去尝试这种运动啊。
o*******g
发帖数: 1300
31
§ 47.01. DEFINITIONS. In this chapter:
(1) "Bet" means an agreement to win or lose something
of value solely or partially by chance. A bet does not include:
(A) contracts of indemnity or guaranty, or life,
health, property, or accident insurance;
(B) an offer of a prize, award, or compensation
to the actual contestants in a bona fide contest for the
determination of skill, speed, strength, or endurance or to the
owners of a... 阅读全帖
r*****7
发帖数: 574
32
来自主题: GunsAndGears版 - 俄罗斯轮盘赌的问题
Russian roulette的残忍之处就是 你看不看得出来 都得pull the trigger 赌的是运
气 所以就算知道子弹在哪儿 又怎样呢?
s*****r
发帖数: 100
33
no, your force is nothing in the force of that kind of current. It will be a
1/10000 rusian roulette, if you swim at dimple rock.
p****s
发帖数: 32405
l*******e
发帖数: 583
35
来自主题: Tennis版 - skill vs luck (转载)
not dart, roulette
S***e
发帖数: 4426
36
来自主题: Tennis版 - 服药?
The quotes below come from Charlie Francis (who was Ben Johnson's sprint
coach)
"...steroids are training drugs, an investment for a future advantage. User
improve because they can train harder and faster--and superior training
yields superior performances down the road. When a world-class athlete
claims he doesn't need steroids because he "work hard," he is stating a non
sequitur. It is the steroids that allow him to work so hard--to increase his
training capacity and withstand extreme physiolo... 阅读全帖
f*****g
发帖数: 15860
37
来自主题: TexasHoldem版 - 起起落落
hehe, i don't even dare to learn to play other games, other than cheap/easy
slots.
my co-workers play more on blcakjacks, roulette, crap,...... although they'
re better poker players than me.

break,
from
5
f*****g
发帖数: 15860
38
接下来的几个月,俺对扑克的疯狂现在回想起来都不免摇头。
lunch games已经提不起俺的兴趣,老是斗嘴,赢了秘鲁人的钱也不是很开心,他恶赌
,但是老婆不上班,还有3个可爱的小女孩,收入很难维持,输个百八十的真还是回事。
土耳其人不管这个,赢钱是俺的本事。新来了个俄罗斯小伙子,也是个极品,更是大西
洋城常客,还什么都玩,poker, 21, roulette, craps,一回不dump个几千不回家的,
经常泡病号(公司unlimited sick leaves)实际上大西洋城。
俺心态不正,玩起来也就越来越胡来,开始经常blind all-in, raise!! 然后经常巨搞
笑的结果,秘鲁人不信邪,却经常重伤。俺也经常和他玩心理战,heads-up,俺说你付
1块钱,俺可以让你在决定call(比如$10)之前,选择看一张...倒霉的他总是选了那张
反的,比如俺37o,board 33x-x-x,他老是不幸的花钱看了7,觉得俺又要bluff他,呵
呵。
.....当然,总胡来要赢钱是不可能的。
这段时间的疯狂主要是去大西洋城的疯狂,利用work from home,经常不惜6个小时
f*****g
发帖数: 15860
39
no idea since i don't live in PA, just saw it from somewhere and pass it
along.
i guess every casino would love to have table games, poker is small, BJ/
craps/roulette are all big $.
g********r
发帖数: 1458
40
来自主题: TexasHoldem版 - 愚人节?
Good luck and have fun! Your mom likes to go to AC? lol. I find it extremely
boring in the casino if I'm not playing poker, all other games like black
jack(normally too expensive for me to play), roulette, crap can't generate
any interests for me. Even playing poker I can't do like more than 5 hours.
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