statistics

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Anomaly detection using Python [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this po[详细]

2023-03-24 19:11 分类：问答
Do SQL Server statistics gather different data if they are updated under load vs. off peak usage?

Aright, basic question is:Has anyone heard anything that would imply that statistics need to be updated under daily use to be effective as opposed to off peak hours?[详细]

2023-03-24 16:52 分类：问答
how many calls to HINCRBY are reasonable?

I\'m trying to reinvent the wheel and store some stats in Redis. I\'m thinking about aggregating eagerly, and incrementing all related counters right after every new event (it can happen several time[详细]

2023-03-24 09:48 分类：问答
vectorized indexing/slicing in numpy/scipy?

I have an array A, and I have a list of slicing indices (s,t), let\'s called this list L. I want to find the 85 percentiles of A[s1:t1], A[s2:t2] ...[详细]

2023-03-24 09:27 分类：问答
MongoDB schema design for player stats based on game server's log events?

We have several game servers that produces events based on player actions. We want to save some of these events to build stats; both for the player\'s enjoyment but also to analyze behaviour.[详细]

2023-03-24 06:43 分类：问答
Flash Player sub or dot version penetration?

Adobe publishes Flash player penetrations stats but ONLY for major player versions. Does 开发者_运维百科anyone know if anyone publishes stats on sub versions? ie am interested in current penetration[详细]

2023-03-24 04:25 分类：问答
Fitting data to a 3rd degree polynomial

I\'m currently writing a C++ program where I have vectors of independent and dependent data that I would like to fit to a cubic function. However, I\'m having trouble generating a polynomial that can[详细]

2023-03-24 03:31 分类：问答
Update the quantile for a dataset when a new datapoint is added

Suppose I have a list of numbers and I\'ve computed the q-quantile (using Quantile). Now a new datapoint comes along and I want to update my q-quantile, without having stored th开发者_运维技巧e whole[详细]

2023-03-24 02:59 分类：问答
Calculate distribution of values in Rails/MySQL

What\'s the best way to calculate a distribution of values across rows in MYSQL (or possibly some calculated value in ruby).[详细]

2023-03-24 02:33 分类：问答
How to keep a dynamical histogram?

is there a known algorithm + data-structure to maintain a dynamical histogram? Imagine I have a stream of data (x_1, w_1) , (x_2, w_2), ... where the x_t are doubles, that represent some measured var[详细]

2023-03-24 01:19 分类：问答