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I suppose this is trivial, but I can't find how to declare a vector of zeros in R.
For example, in Matlab, I would write:
X = zeros(1,3); 
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R : Create a vector of zeros using the numeric() function In R, the numeric() function creates objects of numeric type. The numeric() function will create a double-precision vector of the specified length in the argument with all elements value equal to zero.
In terms of components, the zero vector in two dimensions is 0=(0,0), and the zero vector in three dimensions is 0=(0,0,0). If we are feeling adventurous, we don't even need to stop with three dimensions. If we have an arbitrary number of dimensions, the zero vector is the vector where each component is zero.
An empty vector can be created by simply not passing any value while creating a regular vector using the c() function. This will return NULL as an output.
To create an empty list in R, use the vector() function. The vector() function takes two arguments: mode and length. The mode is, in our case, is a list, and length is the number of elements in the list, and the list ends up actually empty, filled with NULL.
You have several options
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