r - Subtract multiple columns ignoring NA -


I am quite new to R and have run into an issue with NA. The answer to this question might be somewhere else but I could not find the answer. I'm trying to do the opposite of rowSums () from which I'm trying to subtract x2 and x3 from X1 < To generate / code> x4 without the NA, I am currently using the code as follows: 

  & gt; X & LT; - data.frame (x1 = 3, x2 = c (4: 1, 2: 5), x3 = c (1, na)) gt; X $ x4 = x $ x1-x $ x2-x $ x3 & gt; X x 1 x 2 x 3 x 4 1 3 4 1 -2 2 3 3 NA 3 3 2 1 0 4 3 1 NA NA 5 3 2 1 0 6 3 3 NA 7 7 3 4 1 -2 8 3 5 NA NA   
 In other words, I want to do the same thing as NA, how  rowSums  is passed to  na.rm = TRUE  argument So that I can get this result:  
  x1x2x3x4 1 3 4 1 -2 2 3 3 NA 3 3 2 1 0 4 3 1 NA 2 5 3 2 1 0 6 3 3 NA 0 7 3 4 1 - 2 8 3 5 NA -2   
 Any help is greatly appreciated.   
 
 
 just use  rowSums :  
 < Code> & gt; X $ x4 & lt; - x $ x1 - rows (x [, 2: 3], na.rm = TRUE) & gt; Xx1x2x3x4 1 3 4 1 -2 2 3 3 NA 3 3 2 1 0 4 3 1 NA 2 5 3 2 1 0 6 3 3 NA 0 7 3 4 1 -2 8 3 5 NA -2

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