transpose

问题 Hey I'm trying to transpose a 2d Array who's rows/columns are inputted by the user. I've looked around on this site and pretty much all the advice I see is for square arrays (2x2,3x3, etc...) this is what I have so far import java.util.Scanner; public class ArrayTranspose { public static void main(String[] args) { Scanner kb = new Scanner(System.in); System.out.print("Input the number of rows (must be between 2 and 5): "); int rows = kb.nextInt(); if ((rows < 2) && (rows > 5)) { System.out

问题 Hi I am trying to do transpose operation in pandas, but the condition is the value of one column should be associated with the transposed rows. The example given below will explain the better way: the data is looks like: A 1 2 3 4 51 52 53 54 B 11 22 23 24 71 72 73 74 The result I am trying to do like this: A 1 51 A 2 52 A 3 53 A 4 54 B 11 71 B 22 72 B 23 73 B 24 74 In first row, the data is in single row, I want to transpose data from 1 to 4 with the value 'A' in other column. Can anyone

问题 I have searched and found many solutions that came close, but never quite worked in the end. This is probably something very simple, for those with experience... Here is a snippet of my data. This was created automatically from a JSON import by the package jsonlite. The data is very nicely structured, but I am nevertheless helpless. Update2: I have added the relevant data below structure(list(rightsize = c(42L, 50L, 52L, 49L, 41L, 41L, 41L, 41L, 41L, 45L, 47L, 42L, 45L, 46L, 42L, 44L, 44L,

问题 I have a normal select query which results following output. select cid,x1,x2,x3,x4,fy from temp_table; cid x1 x2 x3 x4 fy ---------------------------- 6657 100 0 0 200 2014 6658 300 0 0 400 2015 6659 500 0 0 600 2016 I want it to rewrite it print following output. 2014 2015 2016 ------------------------- x1 100 300 500 x2 0 0 0 x3 0 0 0 x4 200 400 600 How can this be achieved? 回答1: Here is a way to do this with just subqueries and aggregation: select name, sum(case when fy = 2014 then x end)

问题 A query that uses PIVOT is it transposable? IN this question i understood how to use PIVOT but there are cases in which it would be better to have the columns as records. THis is achievable by transposing the query resultset. Is it possible? 来源： https://stackoverflow.com/questions/18660921/transposing-a-a-pivot-query

问题 I have a dataframe like this : A B C D E F G H -------------------------- 0 xx s 1 d f df f 54 1 g g4 2 x r4 3 r 43 4 ds a s d f ds f 64 5 d 43 6 s se 7 1 gf 8 3 s3 9 as t r a 2 ds k s4 How to make it in this format : A B C D E F f g x r d s 1 3 k --------------------------------------------------------- 0 xx s 1 d f df 54 g4 r4 43 1 ds a s d f ds 64 43 se gf s3 2 as t r a 2 ds s4 There will be more values in first dataframe. 回答1: First replace missing values in columns A-F by forward filling

问题 Assume I have a matrix A.What do I have to type to get the transposed matrix of A? (lets say B) ( I have imported Apache Commons Math in my project and I want to do it using these libraries ) My code is: double[][] A = new double[2][2]; A[0][0] = 1.5; A[0][1] = -2.0; A[1][0] = 7.3; A[1][1] = -13.5; Then,what?... (I have found this link, but I don't know what exactly to do: http://commons.apache.org/proper/commons-math/apidocs/org/apache/commons/math3/linear/RealMatrix.html I have tried :

问题 This question already has answers here : SAS Data formatting (reverse proc transpose?) (2 answers) Closed 3 years ago . I want to reshape data columns to rows Initial Table as shown below ID1 ID2 ID3 Name ---------------------------- I001 I002 I003 John Desire Table like ID Name ------------ I001 John I002 John I003 John Can anyone help out? Thanks lots!! 回答1: One way to do this is to set up an array of IDs and loop through with an explicit OUTPUT statement. data want; set have; array ids(3)

问题 I need each value of each array add on new array like person. <div class="person"> <input name="name[]"> <input name="type[]"> </div> <div class="person"> <input name="name[]"> <input name="type[]"> </div> Could be two persons how also ten o more is dynamic. $_POST return that: Array( [name] => Array([0] => oliver [1] => tom) [type] => Array([0] => developer [1] => designer) ) I want something like that the two persons separate, but i fail trying: $person1 = array( "name" => "oliver" "type" =

问题 I want to analyse some spectral data. I have a ~6500 csv files . Each .csv file contains data with the fromat shown in pics. How can I transpose all csv files?? ....so then....I can combine them in powerQuery?? Thank you! 回答1: This will read in all .csv files in a directory, transpose and combine them for you Use Home...advanced editor... to paste into PowerQuery and edit the 2nd line with the appropriate directory path Based on Alexis Olson recent answer Reading the first n rows of a csv