Assume counts is a 16 times 2 matrix. Rows represent epochs (time periods). Colu

Question

Assume counts is a 16 times 2 matrix. Rows represent epochs (time periods). Column 1 the number of left-handeds. a. Complete this statement in order to add a third column to counts. The new values are the row sum of columns one and two. counts() = (counts, ) b. Use exactly one MATIAB statement to compute tt1, the total of all values in your newly-created third column of counts. c. As shown at the right, hand is a vector consisting of only two possible values, hand and counts are parallel vectors. Using two MATLAB statements and a logical mask, define count s2, the count elements whose corresponding hand code is 2. Given: epoch IDs is a row vector of numbers and totals is a row vector of the handedness totals for each epoch. Which of the following statements would successfully create a table

Explanation / Answer

a Ans) counts(:,3)=counts(:,1)+counts(:,2)

b Ans) ttl=sum(counts(:,3))

c Ans) counts2=zeros(hand);

counts2(hand==2)=counts(hand==2);

d Ans) A

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