rank

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Can't get a specific array structure

I\'m hanging around since hours to get a specific Array and can\'t figure it out. I get this start Array with a foreach loop :[详细]

2023-04-12 20:22 分类：问答
SQL Select Records separated by an hour

I am trying to write a query that returns values with a unique person id, place id, and only the first occurrance of the visit within 60 minutes.[详细]

2023-04-10 18:07 分类：问答
Get rank of matrix entries?

Assume a matrix: > a <- matrix(c(100, 90, 80, 20), 2, 2) > a [,1] [,2] [1,]10080 开发者_如何学JAVA[2,]9020[详细]

2023-04-09 07:48 分类：问答
Oracle/SQL - Using the rank function

What I\'m tryi开发者_如何学Pythonng to do is a list of persons from a table and in the event where a person exists more than once then return back their record that contains the highest ranked \'code\[详细]

2023-04-04 04:33 分类：问答
How to perform ranking based on several conditions?

Student TotalResultGPC A398 PASS1.2 B341 PASS1.6 C396 PASS1.8 D402 FAIL1.6 Let\'s say I have a table as above and I would like to perform sorting/ra开发者_如何学Pythonnking based on the following co[详细]

2023-04-04 03:57 分类：问答
Efficient assignment of percentile/rank in MYSQL

I have a couple of very large tables (over 400,000 rows) that look like the following: +---------+--------+---------------+[详细]

2023-03-29 02:16 分类：问答
R rank points in plot

I have a question about plots. For example we have variable a and b, we plot this in R and you get the point. Now, I want to make a range of best/highest point. Is there a way to generate a ranking in[详细]

2023-03-28 04:52 分类：问答
MySQL Help: Optimize Update Query that Sets Rank According to Order of Another Column

Hello StackOverflow community: The Situation I am building an update query that sets ranks for all records in a table according to how each record compares to each other. Example of table:[详细]

2023-03-17 00:07 分类：问答
.htaccess which somehow prevents Google to put some PageRank on my domains

I am using the following .htaccess code on all my domains since 2+ years ago on some projects, but no one of the websites build has ever got any Google PageRank, at least \'1\' bar. On all websites on[详细]

2023-03-16 04:55 分类：问答
T-SQL Update else Insert stored procedure with Rank() Partition function (SQL 2008)

I have a stored procedure that partitions by date and then ranks one field for each date. This has been tested and works correctly. The current stored procedure DELETEs the rows if they exists, then j[详细]

2023-03-16 00:01 分类：问答