statistics

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How do I plot a stacked bar with ggplot?

I have been going through the examples provided on this page, but for some reason unable to find the right way of doing this.[详细]

2023-03-23 21:56 分类：问答
What are the key components and functions for standard model objects in R?

I have implemented a new statistical model in R and it works in my sandbox, but I would like to make it more standard.A good comparison is lm(), where I can take a model object and:[详细]

2023-03-23 21:11 分类：问答
How do I plot multiple ecdfs using ggplot?

I have some data formatted like the following: 22 21 21 21 21 21 22 21 21 21 22 22 21 21 22 22 21 2开发者_如何学运维1[详细]

2023-03-23 17:24 分类：问答
SQl Server 2000 Execution: Statistics Missing

I have a sitauation in production where a procedure is taking different time in two different envionments, when I trie开发者_运维百科d to run the execution plan some stastics are missing. When I click[详细]

2023-03-23 17:17 分类：问答
Normalizing a Phylogenetic Tree in R

When working with phylogenetic tree data in R (specifically when working with \"phylo\" 开发者_如何学运维or \"phylo4\" objects) it would be useful to normalize branch lengths so that certain taxa (the[详细]

2023-03-23 17:10 分类：问答
How to distinguish photo from text image

I am writing OCR recognition program. It works fine with scanned texts, however, there are two problems:[详细]

2023-03-23 14:26 分类：问答
PHP: Permutations of 26 letters in X characters

I have an alphabet array with 26 characters A..Z . I am searching for a performant algorithm that list开发者_运维技巧s all permutations that fill an array of length X without any repeating characters[详细]

2023-03-23 12:23 分类：问答
Nonlinear regression in R / S

I have a R / S / Nonlinear regression related issue and i am not a R programmer, so i kinda need help.[详细]

2023-03-23 12:04 分类：问答
What's a good technique to store a time-dependent metric in Redis?

I have some metrics (like counts of logged in users, or SQL queries, or whatever), and I want to gather some time-dependent stats on a regular basis.[详细]

2023-03-23 06:30 分类：问答
htaccess stats for specific file type

Ive been looking all over but couldn\'t find anything so I am here to resort to my last hope resort :)[详细]

2023-03-23 00:25 分类：问答