f****c
发帖数: 642 | 1 最近TvP出现了很多新战术，人族玩家觉的TvP越来越难打了。我也经历过蹂躏无数toss
，然后现在又被toss蹂躏的过程。在这个过程中，我积累了一些心得体会，也许对，也
许不对，欢迎讨论指导。
首先从大局上来说，T的优势有两个主要方面，一个是中前期的强势，另外一个是战术
的多变（包括了科技转型比较方便，P难以短时间转科技）。但是，P前期战术也比较多
变，可以速VR，可以4BG，可以出虚空凤凰，也可以速分矿。但是不管怎么说，只要前
期有足够的MM，对付10分钟之前的任何P战术都不是很害怕。侦查是T前期的一个巨大优
势，无论你是出一个reaper还是火车跑跑地图，都能及时发现P的战术意图。一旦P的战
术暴露了，那么前中期T就处于巨大优势。但是一旦游戏托到后期，形成科技兵种对决
，3，4矿局面，T就很难打了（除非完美EMP，各种多线骚扰拖垮对面，操作完全imba等
因素）。我就主要就前期P的几个典型开局以及相应的我的中后期打法。
1. 4BG。这个战术是最容易被侦查的，你的reaper和雷达结合，没有发现不了的道理。
那么你就地拍下几个bunker，多拉农民修理，防守住以后立刻开矿压制。如果... 阅读全帖 |
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a****5
发帖数: 2 | 2 Reference:
Here are the books I used for preparation. All the commons are just my
opinion.
1. "A Practical Guide to Quantitative Finance Interviews": You should be
fine with most of the standard
BT/Probability/Math/Option pricing questions if you truly UNDERSTAND every
part of the book.
2. "C++ Primer": It is too lengthy and is full of details. But it is very
comprehensive and you can find
everything there (before or after you are asked the questions :) )
3. "Effective C++": The first 10 ~ 20 it... 阅读全帖 |
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j****e
发帖数: 12067 | 3 http://usnews.rankingsandreviews.com/cars-trucks/Is-Your-Car-a-
哈哈，太好玩了
You know better than to discuss politics with coworkers or people you just
met, right? So if you want to figure out how someone is likely to vote this
November, you may try guessing based on their clothes (Brooks Brothers
versus Birkenstocks), hair (high and tight vs. Hillary's Helmet) or Starbuck
's order (black coffee vs. fair-trade low fat mocha soy latte). As it turns
out, what they drive could also hint at their politi... 阅读全帖 |
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j*j
发帖数: 5564 | 4 this is not right except for the case where HH happen to be the result of
the first two tossings.
For other cases, since it's continuous tossing, for every HH or HH...HH,
there must be a T before them. So we can see that THH will always win before
HHT can win.
Suppose the tossing doesn't have to start over after each win, then the chance
will be equal for THH and HHT if they play long enough.
If the tossing has to be started over after each win, HHT only wins
in the case where HH happens to come... 阅读全帖 |
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f*********m
发帖数: 726 | 5 Bayes是不是这样？
P(p=0.5|toss 1000, 550 head)=P(toss 1000, 550 head|p=0.5)*P(p=0.5)/ P(toss
1000, 550 head)
P(toss 1000, 550 head|p=0.5)是p=0.5时的贝努力，那么P(p=0.5)和P(toss 1000,
550 head)怎么算呢？
P(p=0.5)难道当p=0.5时等于1，其他情况等于0吗？ |
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c****1
发帖数: 5654 | 6 u were mentioning many years ago when i just started to experience high toss
...
i never pratcised high toss serve alone, just used for practice matches, so
at the
first 4-5 years, it was hard, my toss was getting stable after 2006 or 07...
i started to add backhand high toss only after 08, still not consistent yet.
i think 3-5 meters are the best height to toss.
i have had over 15 types of serves,which i normally try out at the first 1-2
games until i find out the few serves which are most eff |
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c****1
发帖数: 5654 | 7 u are partially right, it is very hard to control when you toss
too high, so when you see my tossing 5-7++ meters high, it is
mostly for 表演功能和转移对手注意力, i usually do that when i lead a lot
or fall behind a lot.
when i toss 3-5 meters high, it helps me to serve spinnier, and
also it helps me to serve the 3rd dimensional spin, spin has 3
dimensions, most guys can only serve 2: top/under, left/right.
See Maggie Tian's serves, i high toss served short underspin to
James C's forehand, he missed a few ... 阅读全帖 |
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a***8
发帖数: 2433 | 8 Don't agree.
The title is very clear - Three Styles of Tennis Service Rhythms, it's a
lot about Rhythms, a little about forms. in another word, it's about
different way of timing.
Type 1 classic: The timing starts from toss, the whole motion is continuous
with no pause between back swing and forward swing. the continuous motion
helps moving heavy racquet(i.e. wood ones) to keep on
accelerating. key word: classic, the downside: hard to timing right
since everything has to be perfect from toss (he... 阅读全帖 |
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j****e
发帖数: 12067 | 9 【 以下文字转载自 Automobile 讨论区 】
发信人: joycee (买买提头号女魔头), 信区: Automobile
标 题: Is Your Car a Republican or Democrat?太好玩了
发信站: BBS 未名空间站 (Thu Apr 4 13:28:46 2013, 美东)
http://usnews.rankingsandreviews.com/cars-trucks/Is-Your-Car-a-
哈哈，太好玩了
You know better than to discuss politics with coworkers or people you just
met, right? So if you want to figure out how someone is likely to vote this
November, you may try guessing based on their clothes (Brooks Brothers
versus Birkenstocks), hair (high and tight vs.... 阅读全帖 |
|
|
b****d
发帖数: 240 | 11 Great minds think alike.
Toss a coin. If its go, then toss again till you get a no-go. Then toss
again till you get a go. Back and Forth till you are friggin tired of it. Then the last will count. If it is not something you have in mind, toss again. Make it the 2nd to last toss.
Rich man's problem. My sympathy. |
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k**e
发帖数: 2728 | 12 ☆─────────────────────────────────────☆
rr6262789 (盘片) 于 (Thu Oct 14 11:18:40 2010, 美东) 提到:
某小community program，来pre－match offer。教学还不错，
就是faculty少，无in－house fellowship。接下来三个月还有一串地方要面。
犹豫是因为只面了这一家，不知道下面的program怎样，单从目前现有的网上经验难以
判断。
请问过来人们有什么处理的心得吗？谢谢！
☆─────────────────────────────────────☆
pangyang (pangyang) 于 (Thu Oct 14 11:21:52 2010, 美东) 提到:
cong!
☆─────────────────────────────────────☆
daisyy (Daisy) 于 (Thu Oct 14 11:22:39 2010, 美东) 提到:
恭喜恭喜。 没有经验，不过如果不是maglinant program就从了吧。
... 阅读全帖 |
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d*******e
发帖数: 24 | 13 各个值的概率近似相等，大约是1/6
let X be the second to last toss, Y be the last toss, S be the total sum, S'
be the total sum except for the last two tosses
for any x=1..6, y=1..6, s=64..63+y
P(X=x, Y=y, S(N)=s) = P(X=x, Y=y, S=s, S'=s-x-y)
= P(X=x, Y=y, S'=s-x-y)
= P(visited s-x-y, then toss x, then toss y)
= P(visited s-x-y)/36
~= 1/126
(Approximation: P(visited s-x-y) ~= 1/3.5)
Thus P(X=x) ~= 1/126 * (1+2+3+4+5+6) = 1/6 for all... 阅读全帖 |
|
发帖数: 1 | 14
Download pdf published by SfN (Chapter from 'The History of Neuroscience in
Autobiography, Volume 8' edited by Larry R. Squire)
Yuh-Nung Jan's CV
Lily Jan's CV
Yuh-Nung Jan and Lily Jan
Birth
Family History and Growing Up
National Taiwan University
The Hiking Trip to Shitou in the Spring of 1967
Graduate School Application
Graduate Study at Caltech (1968锟974)
Seymour Benzer Lab (1974锟977)
Steve Kuffler锟絪 Lab at H... 阅读全帖 |
|
s*****r
发帖数: 773 | 15 let's say A keep tossing a fair coin, until he get 2 consecutive heads,
define X to be the number of tosses for this process; B keep tossing another fair coin, until he get 3 consecutive heads, define Y to be the number of the tosses for this process.
Calculate P{X>Y}
看到了这个题目, 我只会算出现HH和HHH的需要仍的期望值, 这个就不知道怎么算了 |
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u***y
发帖数: 87 | 16 By symmetry, If Player1 toss only 4 times,
P（H_1>H_2) = P (H_1
2*P（H_1>H_2) + P(H_1=H_2) =1 ... (1)
In the first 4 toss of player 1:
if H_1
if H_1=H_2, player2 win only player1‘s 5th toss get tail (1/2)
if H_1>H_2, player 2 loss (1)
P(player 2 win)= P(H_1=H_2)* 1/2 + P(H_1 |
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B*****e
发帖数: 9375 | 17 (他过万圣节 根本不用装扮）
这厮是西岸攻势的嫡系真传
(Bill Walsh ==> Mike Holmgren ==> Jon Gruden）
"Thinking Men's Football"的真髓已经入到骨子里去了
即使现在做球评 还是经常来一些内行人才听得懂的专业术语
ESPN的主管已经多次找他谈话 要普及化 不能高屋建瓴脱离群众 也没用
The Dan Patrick Show每星期二早上有个段子 叫"Grudenism"
放个听众进来 说出几个战术术语
DP当场判断 这是正宗的JG用词 还是听众自己捏造的
1. trimmed zone read block
2. isolation blitz pursuit
3. drop out retreated cover
4. hugging the screen back
5. melt through the intermediate push
6. lead weak crack toss
不过随便看看他的系统
即使对身高身材体重速度敏捷爆发等等都没有要求
咱wsn们还真不敢拍拍胸脯说至少脑子够使了
... 阅读全帖 |
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l*****a
发帖数: 3630 | 18 现有OT规则的最大问题是先TD比赛结束，coin toss影响很大。双方各一个drive如果平
分再突然死亡仍然没解决先攻优势。
那么这个先攻优势是怎么造成的? coin toss. 所以如果想避免coin toss, 一个解决方
案就是60分钟结束如果平分那么有球权的一方继续进攻。直到一方得分。那么这个规则
和目前的区别是什么，比如落后方追平开球给对方。然后对方本来时间不够得分然后OT
, 但是新规则可以慢慢进攻，比如加时赛3分钟得分获胜。那么举2个例子，现在规则。
假设追平剩30s碰到龙哥这样一下扔到对方半场，飞狗绝杀，输家没什么可以抱怨的吧?
假设追平剩5分钟碰到堂哥小叮当推过去，时间用光绝杀，输家没什么抱怨的吧? 所以
这种假设的新规则能够很好的避免coin toss的运气问题。当然没有规则是完美的，就
看你如何权衡利弊了。 |
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g***e
发帖数: 577 | 19 For people who like to share the experience in playing tennis and love this
game:
several things to improve your serve
1.A nice toss: Toss is the no.1 important component of a good and consistent
serve. Toss the ball right above or just a little bit in front of your body
plane when you stand on your fore-foot. When you stand on your forefoot, if
you let your arm fully stretched and toss the ball up in the air, it will
be one arm far from your body plane ideally, and that is a little bit far
for |
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t****i
发帖数: 4225 | 20 toss higher
For amateur players like us, the most important thing for serve is the toss.
Try to establish consistent toss first, then work on other parts of your
serve.
If your toss is not consistent, you will mess up your arm, shoulder etc to
compensate. |
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w*****y
发帖数: 100 | 21 【 以下文字转载自 TennisOnly 俱乐部 】
发信人: wchenny (liveisshort), 信区: TennisOnly
标 题: Re: 菜鸟在Ladder 里的第一场比赛，求建议
发信站: BBS 未名空间站 (Sun Jul 29 12:35:03 2012, 美东)
Thanks Kenny for your great advice. The match is pretty much like you
described. I won by 6-4, 4-6 and tie break 7-5. A great experience for me.
Here are some thoughts/questions I have after the game:
1. I surprised myself that I was pretty peaceful mentally throughout the
game. Concentrate and focus on the coming ball helps a lot. Don't think too
mu... 阅读全帖 |
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m*e
发帖数: 1018 | 22 三个星期前被小姑娘欺负了后，大家给了我不少指点，小黄本记录总结如下：
（http://www.mitbbs.com/article_t0/Tennis/32080447.html）
--------------------------------------------------
1.正手时左手的问题
court:正手时候左手太僵硬了
黑导：正手最好能将左臂抬久些,这可以帮助重心靠前并且会更稳些.
老刀：正手时左手臂下垂，对平衡，稳定和发力都不宜，而且，看上去特别扭。最简单
改正方法:正手抽或提拉前，手臂和右手一起平行后挥
2.反手：
KennyD：反手赶紧学会一个defensive shot
3.发球：
spinonehalf ：After the service, court position is not good
jjch：你toss 球的时候是从屈膝开始，随着toss 过程逐渐伸直，在球离
手时站得最直，然后再又开始下蹲蓄势，幸亏你球抛得够高，来得及跳起击球。
我的理解是toss 应该从直膝开始，在toss 过程中逐渐屈膝，在球到最高点时蹲到最低
，然后跳起击球。也就是说只... 阅读全帖 |
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m****z
发帖数: 978 | 23 Yesterday, I saw a video on 2HBH. I know it is not related to serve.
It mentioned step in with your front foot land on your your heel then rock
your weight forward on to it. It helps transferring your weight into the
shot.
I guess I had that in mind. When I served in our double match, I started to
lift my toes up (front foot) then rock forward. Almost all the pros do
this. And I have tried it in the past, but never felt any difference.
But yesterday, it kind of kicked on the first try for ... 阅读全帖 |
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N*****7
发帖数: 1899 | 24 这个grip角度看着还不到continental（45度）。
建议试着挪移角度， 一开始动五度十度试试。
这样握着别扭一点，但是发球挥动时容易做到击球时拍面稳定， 容易发的稳。
Toss时胳膊肘有比较明显的弯曲- 再伸直。
最近我试试 toss 基本用 the hinge between shoulder and upper arm， 好像是稳不
少。 LZ 可以比较一下胳膊肘打弯和不打弯。
LZ有一点比较好的：toss 后左右手同时向上。
我想改改自己动作 -- 因为我toss后左手向上，右手向下。travel太远不够简单。 |
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g*****y
发帖数: 7271 | 25 这不就是有人肋骨长一点，有人短一点么？
toss稳定但timing不好的toss矮一点，toss不那么准，timing却好的可以toss高一点。
反正一般的推荐是比击球点稍高1到2 feet。至于是1.3还是1.7，我不是太care。
看习惯了。 |
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v*****2
发帖数: 109 | 26 In order to have a consistent toss, do not bend your elbow when tossing the
ball. Practice your toss like a tennis style toss. |
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a*******u
发帖数: 331 | 27 天枰
Easy come, easy go, that's just how you live
Oh, take, take, take it all but you never give
Should've known you was trouble from the first kiss
Had your eyes wide open, why were they open?
Gave you all I had and you tossed it in the trash
You tossed it in the trash, you did
To give me all your love is all I ever asked
'Cause what you don't understand is
I'd catch a grenade for ya
Throw my hand on a blade for ya
I'd jump in front of a train for ya
You know I'd do anything for ya
I would go thr... 阅读全帖 |
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a***e
发帖数: 2427 | 28 好久没给儿子录歌了，总算又捣鼓了一首。
这首歌我没有上次满意，觉得他太小了，很难唱出这歌里的感情。看来要把成熟度往下
调一调了。
Grenade lyrics
Songwriters: Brown, (Undetermined); Kelly, (Undetermined); Lawrence Ii,
Philip; Levine, Ari; Mars, Bruno; Wyatt, (Undetermined);
Easy come, easy go, that's just how you live
Oh, take, take, take it all but you never give
Should've known you was trouble from the first kiss
Had your eyes wide open, why were they open?
Gave you all I had and you tossed it in the trash
You tossed it in the trash, you did
To give me all y... 阅读全帖 |
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C*******g
发帖数: 9288 | 29 又查了一点
In order to win the game, the team who wins the coin toss must score a
touchdown on their first possession.
In the event of a field goal, the opposing team gets a chance to score. If
they kick a field goal, the game continues; if they score a touchdown, the
game ends.
If the game is tied after both teams have had a possession, then the next
score wins. In other words, the team who wins the coin toss can no longer
just kick a field goal and advance a step closer to the Super Bowl.
The rules... 阅读全帖 |
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B*********h
发帖数: 800 | 30 ☆─────────────────────────────────────☆
atreeyang (随风的白杨~) 于 (Fri Dec 15 23:21:05 2006) 提到:
a fair coin game, A toss the coin first, then B toss the coin, then A toss B
toss...... If there is a head followed by a tail, the game end, and the
tail win.
the question is , what is the probility of b win?
☆─────────────────────────────────────☆
bigbendan (LoveforeverLong) 于 (Fri Dec 15 23:26:58 2006) 提到:
B
5/9 in collections
☆─────────────────────────────────────☆
Angel (On leave) 于 ( |
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mw
发帖数: 525 | 31 You are offered to play a game of chance. A fair coin is tossed repeatedly
until you get the first tails, at which point the game ends and you get
the prize. The prize "pot" starts at $1 and doubles each time you get
heads. So for instance, if you get heads the first toss, the pot becomes
$2. If you get heads again the second toss, the pot becomes $4. If you get
heads the third time, the pot becomes $8. If the fourth toss gives you the
tail of the coin, you win and take home the $8 prize.
Before |
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s*******s
发帖数: 1568 | 32 Cong to your offers:)
(1) Toss a fair coin until you get HHHHHH or TT, what is the probability of
having HHHHHH, you should obtain the answer very quickly and in the simplest
possible way.
sorry I made a mistake on calculating the expectation here. By the nature that the two pattern doesn't
share the prefix part, the prob can be calculated as P = Expected tossing to get TT/ (Expected tossing to
get HHHHHH + Expected tossing to get TT) . The result is
1^2 + 2^2/(6 + 1^2+ ...+ 6^2) = 1/22.
(2) Fin |
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t*****e
发帖数: 38 | 33 Just had an interview with Jane Street, a nice guy not like the average
interviewer (I gauge him against the threads on this board). Hear are the
questions:
1. a clock splashes into 3 pieces with each containing numbers sum up
equally, describe the configure.
2. Elaborate my research.
3. We toss a fair coin, you toss 5 times and I toss 4. I win if I got at
least same number of heads compared with yours. What is the chance that I
win?
4. Two games: in game one, you toss a fair coin 4 times, and w |
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o*p
发帖数: 77 | 34 2. 3/5
by symmetry; first, suppose both persons run a 4 toss times' games,
the toss results are
A>B p
A=B 5/5^2
B>A p
1=2p+5/5^2 => p=2/5
p(Awin)=p+5/5^2=3/5
then add the 5th time toss to one person(A), you will find the 5th toss not
change the result. so the result is 3/5
3. pwin=1-(5/6)^4 for the first game,
pwin=1-(5/6)^24 for the second game,
prefer the second game
you |
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i****k
发帖数: 39 | 35 Thank you angelsun! I have a few questions for you, see below.
=2
what is the meaning of "i" in a_i? The i-th toss counting from beginning of
the game, or the i-th toss counting reversely from the end? If the former,
then the last toss should have a_k>=2. why a_1>=2?
的。
seems that you mean a_k is the last toss? I'm confused by your argument
about "order matters". Could you please explain more? Thanks a lot! |
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p*********9
发帖数: 277 | 36 E=3.5
After 4 toss, mean sum is 14
After 5 toss, mean sum is 17.5
after 4 toss and one more toss, assuming you have 14 already, you will get
16 (>15) |
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l********e
发帖数: 220 | 37 let's assume P(A) is the prob A wins the game, and P(B) is the prob B
wins
the game.
we have
P(A) = 1/2 P(B) + 1/2[1/2 (1/2+P(B))+1/2 [ 1/2 + 1/2 * 0 + 1/2 P (A)]
A fail(1 toss) A win(1 toss)[B fail(2nd toss) B win(2nd toss) ]
P(A)+P(B) = 1
solve them, we get
P(A) = 7/12, P(B) = 5/12 |
|
p**e
发帖数: 41 | 38 可能大家见过， 我想了想还是做不出来， 希望大家帮忙提示一下：
1， for the same stock, there are three option prices in mkt: C(K=10)=5, P(
K=12)=4, C(K=14)=3, the question is: is there any arbitrage opptunity?
2, Alice keeps tossing a fair coin until she gets 2 consecutive heads,
Define X as the number of tosses for this process. Bob keeps tossing another
fair coin until he gets 3 consecutive heads, and Define Y as the number of
tossed for Bob's process. Question: what is the probability of X>Y ? |
|
p****y
发帖数: 23737 | 39 http://well.blogs.nytimes.com/2010/11/04/a-vegan-chef-dishes-up-thanksgiving/
The Los Angeles chef Chloe Coscarelli is best known for winning the Food
Network’s “Cupcake Wars” with her dairy- and egg-free cupcake recipes.
But Ms. Coscarelli, a recent graduate of the University of California,
Berkeley, and the Natural Gourmet Institute in New York City, also has a
passion for vegan savory foods, particularly at Thanksgiving.
“I have served an all-vegan Thanksgiving to the most die-hard carnivores... 阅读全帖 |
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w*********g
发帖数: 30882 | 40
Rev. 12:1-5
Now a great sign appeared in heaven: a woman clothed with the sun, with the
moon under her feet, and on her head a garland of twelve stars. Then being
with child, she cried out in labor and in pain to give birth. And another
sign appeared in heaven: behold, a great, fiery red dragon having seven
heads and ten horns, and seven diadems on his heads. His tail drew a third
of the stars of heaven and threw them to the earth. And the dragon stood
before the woman who was ready to give bir... 阅读全帖 |
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t****z
发帖数: 8931 | 41 这两个月田纳西一个妈妈杀死自己四个孩子，
再前两个月亚利桑那母亲杀死自己三个孩子
同时得克萨斯母亲杀死自己两个孩子
每个月都有几起母亲抑郁，为了不让孩子受苦，杀死自己孩子事件
这种事要找到病根，对症下药，而不是装逼乱开药
最近有些名媛好像也想自杀
家有孩子吗？
真得报警
Memphis mother who stabbed her four children to death
www.dailymail.co.uk/.../Tennessee-mother-cut-four-children-s-throats-open-
butchers-kn...
Jul 2, 2016 - Four small children stabbed to death, mother in custody ....
Channel 4 · Grandmother of survivor says 'I forgive' mom accused of killing
4 kids ...
MOTHERS WHO KILL CHILDREN
motherswhokillchildren.blogspot.... 阅读全帖 |
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t****z
发帖数: 8931 | 42 这两个月田纳西一个妈妈杀死自己四个孩子，
再前两个月亚利桑那母亲杀死自己三个孩子
同时得克萨斯母亲杀死自己两个孩子
每个月都有几起母亲抑郁，为了不让孩子受苦，杀死自己孩子事件
这种事要找到病根，对症下药，而不是装逼乱开药
最近有些名媛好像也想自杀
家有孩子吗？
真得报警
Memphis mother who stabbed her four children to death
www.dailymail.co.uk/.../Tennessee-mother-cut-four-children-s-throats-open-
butchers-kn...
Jul 2, 2016 - Four small children stabbed to death, mother in custody ....
Channel 4 · Grandmother of survivor says 'I forgive' mom accused of killing
4 kids ...
MOTHERS WHO KILL CHILDREN
motherswhokillchildren.blogspot.... 阅读全帖 |
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b**********s
发帖数: 9531 | 44 Here’s Why Donald Trump Really Could Be Elected President
Forget what the party elites and pundits have been saying—Trump has a
pretty clear path to not just the Republican nomination, but also the White
House.
From Brentwood mansions to Embassy Row in Washington, D.C., the idea that
Donald Trump could become president has alternately set off fits of laughter
and terror. While some political insiders, including a growing number of
establishment Republicans, concede that Trump could win the nomin... 阅读全帖 |
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L*********4
发帖数: 883 | 45 FL我算的是票数。
GOP优势6万票，independent翻15个点会冲掉5万多票。当然FL的independent其实可能
不会差这么多，问题是我要用FL去算全国趋势，所以我要用全国的数据（跟16年差15个
点）。FL本身其实并没有什么toss-up house district，Curbelo一般被认为是toss-up
，但是其实应该是稳赢的。
FL toss-up的是senate seat，如果Scott能拿下Nelson，GOP就离60又近了一些。
40 |
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y******9
发帖数: 606 | 46 我记得16年选举前有一个id提供的poll非常准，那个时候看主流媒体希拉里当总统那是
铁板钉钉，选举就是个过场。但是那个id说他有数据，Trump会赢，那几个州会赢，最
后选情就如他所说
: FL我算的是票数。
: GOP优势6万票，independent翻15个点会冲掉5万多票。当然FL的independent其
实可能
: 不会差这么多，问题是我要用FL去算全国趋势，所以我要用全国的数据（跟16年
差15个
: 点）。FL本身其实并没有什么toss-up house district，Curbelo一般被认为是
toss-up
: ，但是其实应该是稳赢的。
: FL toss-up的是senate seat，如果Scott能拿下Nelson，GOP就离60又近了一些。
: 40
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C*******o
发帖数: 47 | 47 都是其他网友的经验分享，这里汇总一下，希望帮到国人
1. Flip 10 coins, observed 6 heads. Q: fair or not?
2. Type I error, Power, relationship between them?
3. How would you model the # of years some patients would survive after a
primary surgery, given their family history, demographic covariates (e.g.,
age, race, etc), how to diagnose?
4. Given a sample size of n, how do you obtain 95% confidence interval for
the median? Two cases: a) n is large, say n > 100. b) n is small, say n < 10
5. Search engine comparison and sear... 阅读全帖 |
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g*********9
发帖数: 1285 | 48 stockdiviner的题目太难了，读着都费力，而且不实用。来个实用的。
When a coin is tossed. the probability of getting Head is 60% and that of
getting the Tail is 40%. If you get the Head after a toss , you win. What is
the
difference between tossing once and ten times?
看着简单，其实不然。 |
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wh
发帖数: 141625 | 49 美国各地秋天都有fair吗？新英格兰地区的土著好像都对fair有特殊的感情，我的同事
和当地朋友小时候都跟爸妈去过麻省的Big E——新英格兰最大的fair——都跟我绘声
描述农民自制的新鲜冰淇淋和苹果派、来自东北各州的特色农产品和手工艺品、来自全
世界的稀奇古怪的动物……边说边流露出儿童年代的纯真与向往，总让我觉得Big E是
比迪斯尼更淳朴贴地的童年天堂。
今年没去成Big E；在local报纸上看到当地的 fair有小猪赛跑、tractor pull、oxen
draw、horse draw、Women’s Skillet Toss等活动，既好奇又无知：pull和draw是拔
河吗？Skillet Toss比谁把锅里的菜扔得最高？好奇是人类进步的动力，让我带你去解
谜——
Fair从周五黄昏开始，看和煦的落日洒在一辆辆农民从家里开来参展的老爷拖拉机身上
。有人开过拖拉机吗？我只坐过。这辆是1951年的：
这俩与新中国同龄：
拖拉机轮子一大一小：
车轮比人还要高：
一位大叔跪在地上反反复复地擦那锃亮的车轮，让我想起我那每骑一次都要擦拭上油的
第一辆自行车——男人对轮子的深沉的爱，不... 阅读全帖 |
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y*e
发帖数: 9799 | 50 This is not conditional probability because the gender of a kid does not
depend on another kid...
A classical conditional probability myth: toss a fair coin 1000 times, if
the first 999 times head came up, what is the probability that tail will
come up on the 1000th time? As long as the 1000th toss does not depend on
any of the previous tosses, this is not an example of conditional
probability.
1 |
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