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Dice Coefficient vs *Negative* Dice Coefficient..?
While reading this paper I've noticed that they use what they call negative dice coefficient. … Consequently, a penalty to be added to the overall loss function can be defined by setting $1-\text{dice}$ as $\text{dice} \in [0,1]$. …
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218
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Comparison of Squared Dice Loss vs. Standard Dice Loss
I've been diving into segmentation tasks and came across two variations of the Dice Loss that I'm considering for my neural network: the standard Dice Loss and the Squared Dice Loss. … the loss is:
$$ \text{Dice Loss} = 1 - \text{Dice Coefficient} $$
The Squared Dice Loss on the other hand is:
$$ \text{Squared Dice Coefficient} = \frac{2 \times \text{intersection} + \text{smooth}}{\text …
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2
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Dice rolling problem
A game is played with $n$ dice, and an additional parameter $r<=6$. The game has one player who must throw all $n$ dice on each round and add the score to the total. … On each round, the $n$ dice are thrown and the sum of the dice is added to the player's total score.
If the number on every dice is no larger than $r$, the game ends at the current total score. …
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1
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299
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Basic probability with dice
I have 6-sided dice. When rolled, I count one success per dice if the number on the dice is 5 or more. … for each dice, I have a probability of 1/3, but what's the probability of having at least 1 success when rolling n dice at a time? …
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1
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81
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Non-transitive dice probabilities
I got the following question on non-transitive dice, as shown in the following picture.
Suppose you roll two white dice against two red dice. … What is the probability that the sum of the white dice is greater than the sum of the red dice?
And the answer is as follows. …
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1
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177
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Probability that sum of x dice greater than sum of y dice
If I roll a 6-sided die x times (or roll x 6-sided dice at once), what is the probability that the sum of the result is greater than another y rolls (or one roll of y dice)? …
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Binomial Probability (Dice)
The six dice are thrown together 64 times and the frequencies of the throws with 0, 1, 2,..., 6 successes are summed over all six pairs are as follows:
Success: 0 1 2 3 4 5 6
Frequency … : 0 4 19 15 17 7 2
(a)What would be the theoretical probability of success and the mean and variance of the above frequency distribution is all the dice were fair? …
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27
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10-faces dice "emulation" from N 6-faces dices [duplicate]
I want to play a game which uses one 10-faces dice, but I only have 6-faces "classic" dices at my disposal. … Is it possible to approximately recover, to an arbitrary precision, a 10-faces dice probability distribution using N classic 6-faces dices and clever algorithm ? …
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2
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177
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Weird dice roll mechanic
There's a game called Cthulhutech which has a dice-based problem resolution system. … The first part is simple: The result of a roll is (initially), the highest of all dice. …
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Multi categorical Dice loss?
What is the formulation for the Dice loss with multiple categories.
I know this is the Dice loss for binary classes.
$L_{Dice} = -\frac{2 \sum_i p_{ij} y_{ij}}{\sum_i p_{ij} + \sum_i y_{ij}}$ …
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387
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Two dice problem
The one that has higher value, receives a number of points equal to the difference of the values on both dice. …
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2
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2k
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Dice Probability Game
To play the game, everyone stands up and the teacher rolls the dice. If any number other than a 5 is rolled in the first round, 100 points are scored. … The dice is rolled again for round two, and if it is any number other than a 5, they score 200 more points (round three: 300 points, round four: 400 points, etc). …
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1
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1k
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binomial distribution and rolling dice
If I roll 4 dice, the chance of having at least one success is about 70% (binomial distribution for 4 dice).
Say I'm rolling 4 dice, and then I'm rolling another 4 dice. … Statistically, this is the same as rolling 8 dice, right? Therefore, I can apply the binomial distribution to 8 dice. The chance of 5 or more successes in 8 dice is about 3%. …
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2k
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Two player dice game probability
$A$ and $B$ play a dice game where a player wins if their score is higher. $B$ wins if their score is equal. … What is the probability of $A$ winning if both the players roll their dice $n$ times and choose their best scores (out of their $n$ throws)? …
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191
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Probability question rolling dice
I got the following quiz asked at the interview:
a fair dice is rolled infinitelly; what is the expectation of the rolling iteration I, at which one gets two sixs in a row? …