Sum different columns in R dataframe -


I have a data frame with 144 columns and 1000 rows. There are 36 different variables in it, there are always 4 values ​​for the value - it seems that: 

  1a-1d \ t 2a-2d \ t 3a-3D ..... ..... 36a-36d 2 1 4 5 \ t 3 4 5 3 \ t 32 1 3 1 ....... 3 12 4 1. 4 5 2 6 \ t 4 5 2 6 \ t 23 5 2 5 ...... 3 1 5 6   
 What do I have to do to make another yoga for ever Name the output with the elements of a vector, eg  names = c ("AC_syn", "AC_non", ...) .  
 I think the command should be in some way:  
  ddply (a.,), Abbreviation, name [1] = a [, 1] + one [, 2] + one [, 3] + one [, 4], ...)   
 But should there be any more elegant way? Too many copy paste without work? I am happy for every thought and a little help!  
 Sorry I did not clarify this. Actually, I wanted to add the column after every fourth step (1-4, 5-8 .... 141-144) and wanted to rename the new dataframe with the variable given in the vector. Then for input:  
  2 1 4 5 \ t 3 4 5 3 \ t 32 1 3 1 ....... 3 12 4 1   
 It should answer  
  12 15 37 ..... 20    
 
 
 If you want to add to every four columns,  
  #sample data sets .seed (1) (df & lt; - data.frame (repeat (8, rnorm (5)))) X1 X2 X3 X4 X5 X6 X7 # 1 -06264538 -08204684 1,5117812 -0,04493361 0,91897737 -0,05612874 1,35867955 # 2 0,1836433 0 , 4874291 0,3898432 -0,01619026 0,78213630 -0,15579551 -0,10278773 # 3 -08356286 0,7383247 -0,6212406,94383621 0,07456498-1147075238#38767161# 4 1.5952808 0.5757814 -2.2146999 0.82122120 -1.98935170 -0.47815006 -0.05380504 # 5 0.3295078 -0.3053884 1.1249309 0.59390132 0.61982575 0.41794156 -1.37705956 X8 # 1 -0.4149946 # 2 -0 .3942900 # 3 -0.0593134 # 4 1.1000254 # 5 0.7631757   
 Create an indicator for columns for the sum - it starts every four columns  
  (Ind. Lieutenant; - rep (1: 2, each = 4)) # [1] 1 1 1 1 2 2 2 2   
 Yog sum according to Ind AS  
  T (rowsum (t (df), ind) # 1 2 # [1,] 0.01992536 1.8065336 # [2,] 1.04472535 0.1292631 # [3,] 0.22529172 -1.0678292 # [4,] 0.77758346 -1.4212814 # [5,] You can then use  colnames  to assign column names.

Comments

Post a Comment

Popular posts from this blog

Java - Error: no suitable method found for add(int, java.lang.String) -

I'm in the middle of homework work and I'm stuck. At this point in my code, I think that I should have a GUI window that opens and allows me to type "inserted text number". Notice is not going anywhere but at this point, If I pass through the problem then it will be in a linked list. I am getting two of the same error for the lines. Add (index, element); And I can not seem to get past it, there is no suitable method for the error "add (int, java. string string)". Code is below, please advise. To clarify - this will not be a method error because it is a linked list. There should not be any way involved. import java.awt. *; Import java.awt.event. *; Import javax.swing. *; Import java.util. *; Import java.util.Scanner; Import java.util.LinkedList; Public class TopTenList JFrame {Private TopTenList tt; See the Private JTextArea list; Private JTextField cmdTextField; Private JTextField resultsTestfield; // This GUI window is the code for the public toptist...
Read more

java - JPA TypedQuery: Parameter value element did not match expected type -

I am using JPA 2.0 and getting the following code in the DAO layer: Public Zero Test () {string key = "status"; String [] Conditions = {"A", "B"}; & Lt; TestTable & gt; Results = Search (Keys, Conditions); } Public listing & lt; TestTable & gt; Search (string key, object value error) {string sql = "test ndf to testlet and jade nand." + Key + "in:" + key; TypedQuery & LT; TestTable & gt; Query = entityManager.createQuery (SQL, TestTable.class); Query.setParameter (key, Arrays.asList (valueArr)) / *** Error Line *** Return query.getResultList (); } In the above error line, it throws the following exception: java.lang.IllegalArgumentException: parameter value element [[Ljava.lang.String; @ cbe5bc] did not match the expected type [java.lang.String] Why is this expected type string while actually this string []? Please help! Note: This is derived from the normal routine and is a simplified code. I can no...
Read more

c++ - static template member variable has internal linkage but is not defined -

Yes, I know, there is a question with almost the same title, but it refers to a different situation. Error message) In my case, I have a .cpp file with a big named designation name (implementation details). There is a property class template with a static data member in that name space, which I need to access from outside the unknown namespace. I give it a little bit of meat: file.hpp namespace Bar {template & lt; Typename A & gt; Struct foo {static_assert (is_same & lt; a, float & gt; :: value} is_same & lt; a, double>: value, ""); Fixed zero set_static_var (a const & x); // ...}; } and file.cpp namespace {template & lt; Typename A & gt; Struct foo_traits {// supports the implementation of several static code bars: foo & lt; & Gt; Fixed A data; }; The template's & lt; & Gt; Float foo_traits & lt; Float & gt; :: datum; // No change if this is in the global namespace template & lt; & Gt; Doub...
Read more