statistics
What does the period mean when used with ~ (in a formula)?
From the FSelector manual: data(iris) subset <- cfs(Species~., iris) f <- as.simple.formula(subset, \"Species\")[详细]
2023-03-26 14:48 分类:问答get full hits information of site with asp.net
i want to get daily,monthly,yearly hits ( visit count ) of my site . What is t开发者_Go百科he best way to do this in asp.net ?[详细]
2023-03-26 14:11 分类:问答How do I create a random contingency table in R?
I would like to create random two-way contingency tables, given fixed row and column marginals.Supposing I have a table like this:[详细]
2023-03-26 12:33 分类:问答Is there a PHP Fleiss' Kappa implementation?
I\'m looking for a PHP implementation of Fleiss\' Kappa that is publicly available. So far, I found some classes written in Java, Perl, Ruby and Python, but nothing in PHP.[详细]
2023-03-26 11:38 分类:问答how to find interesting points in time series
i have an array of date=>values, like this \"2010-10-12 14:58:36\" =>13.4 \"2010-10-17 14:58:36\" =>12[详细]
2023-03-26 10:46 分类:问答Is there a statistical function in MySQL to find the most popular value in a column?
Hi is there a statistical method to find the most popular occuring value within a column in a table. For this table:[详细]
2023-03-25 18:08 分类:问答Implementing empirical distributions using the ParallelColt API
I\'m wondering if anyone has some experience with using empirical distributions in the ParallelColt API?[详细]
2023-03-25 17:53 分类:问答How do I know if the statistics of a Postgres table are up to date?
In pgAdmin, whenever a table\'s statistics are out-of-date, it prompts: Running VACUUM recommended The estimated rowcount on the table schema.table deviates[详细]
2023-03-25 16:42 分类:问答How can I track time my app is visible?
I am developing an ip开发者_运维知识库ad app and i would like to track how much time users are using my app.[详细]
2023-03-25 05:43 分类:问答How to compare bubble charts programmatically?
1.) I have data points for a bubble chart of age vs weight [[\'<15 yr\', 30], [\'<25 yr\', 60], ...][详细]
2023-03-24 21:00 分类:问答