statistics

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Random values consistent with a best-fit curve

I\'m contemplating the generation of test data with interesting distributions. I understand methods for the generation of uniform distribution and normal distribution, but how can I transform an arbi[详细]

2023-04-10 14:07 分类：问答
.net statistics library for forecasting

Is there a good .NET statistics library for forecasting? I need it to do the following: Decompose the input dataset with classical开发者_JAVA百科 decomposition into Seasonal, Trend and Irregular.[详细]

2023-04-10 11:37 分类：问答
What does correlation coefficient actually represent [closed]

Closed. This question is off-topic. It is not currently accepting answers. 开发者_如何学编程 Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-10 09:34 分类：问答
Getting "set statistics io on" results in t-sql for tuning

I want to add monitoring capabilities to a complex process involving many stored procedures. In some cases I want to capture the number of logical reads produced by a single statement.[详细]

2023-04-09 18:52 分类：问答
Calculate mean and standard deviation from a vector of samples in C++ using Boost

Is there a way to calculate mean and stan开发者_运维问答dard deviation for a vector containing samples using Boost?[详细]

2023-04-09 11:45 分类：问答
Android Market statistics frozen nearly month, what's going on?

I have several applications in Android Market and 2 or 3 weeks ago I have noticed that statistics still the same. Just before that I have had several hundreds downloads per week. For sure I reported i[详细]

2023-04-09 03:05 分类：问答
Calculating standard deviation of samples with boostrapping in R

Imagine: I have sampled 10,000 humans and measured their height in cm, and drawn the distribution as follows:[详细]

2023-04-08 05:43 分类：问答
Compute covariance matrix using Excel

In Excel, I have 10 columns of data from column A to column J, and each column has 1000 rows from row 1 to row 1000. I wonder how to compute the 10 x 10 covariance matrix of th开发者_Python百科e 10 co[详细]

2023-04-08 02:51 分类：问答
Data mining for significant variables (numerical): Where to start?

I have a trading strategy on the foreign exchange market that I am attempting to improve upon. I have a huge table (100k+ rows) that represent every possible trade in the market, the type of trade (b[详细]

2023-04-08 01:51 分类：问答
Calculate entropy of probability distribution of two data sets- text analysis & sentiment in C#

I\'m using a 1.6M tweet corpus to train a naive bayes sentiment engine. I have two Dictionaries of n-grams (Dictionary<string,int> where the string is my n-gram and the int is the # of occurre[详细]

2023-04-07 14:38 分类：问答