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(This article was first published on <strong><a href="http://r-exercises.com/2016/11/15/vector-exercises-vol-2/"> R-exercises</a></strong>, and kindly contributed to <a rel="nofollow" href="https://www.r-bloggers.com/">R-bloggers)</a> </div>
<p><a target="_blank" rel="nofollow" href="http://r-exercises.com/wp-content/uploads/2016/11/vector.png?x61433"><img alt="vector" class="wp-image-2735" src="https://i0.wp.com/r-exercises.com/wp-content/uploads/2015/10/cooltext150717148122234.png?resize=200%2C200" data-recalc-dims="1"></a></p>
<p>[For this exercise, first write down your answer, without using R. Then, check your answer using R.]</p>
<p>Answers to the exercises are available <a target="_blank" rel="nofollow" href="http://r-exercises.com/2016/11/15/vectors-vol-2-solutions/">here</a>.</p>
<p><strong>Exercise 1</strong></p>
<p>Consider two vectors, <code>x, y</code><br>
<code>x=c(4,6,5,7,10,9,4,15)</code><br>
<code>y=c(0,10,1,8,2,3,4,1)</code></p>
<p>What is the value of: <code>x*y</code></p>
<p><strong>Exercise 2</strong></p>
<p>Consider two vectors, <code>a, b</code></p>
<p><code>a=c(1,2,4,5,6)</code><br>
<code>b=c(3,2,4,1,9)</code><br>
What is the value of: <code>cbind(a,b)</code></p>
<p><strong>Exercise 3</strong></p>
<p>Consider two vectors, <code>a, b</code></p>
<p><code>a=c(1,5,4,3,6)</code><br>
<code>b=c(3,5,2,1,9)</code><br>
What is the value of: <code>a&lt;=b</code></p>
<p><strong>Exercise 4</strong></p>
<p>Consider two vectors, <code>a, b</code></p>
<p><code>a=c(10,2,4,15)</code><br>
<code>b=c(3,12,4,11)</code><br>
What is the value of: <code>rbind(a,b)</code></p>
<p><strong>Exercise 5</strong></p>
<p>If <code>x=c(1:12)</code><br>
What is the value of: <code>dim(x)</code><br>
What is the value of: <code>length(x)</code></p>
<p><strong>Exercise 6</strong></p>
<p>If <code>a=c(12:5)</code><br>
What is the value of: <code>is.numeric(a)</code></p>
<p><strong>Exercise 7</strong></p>
<p>Consider two vectors, <code>x, y</code></p>
<p><code>x=c(12:4)</code><br>
<code>y=c(0,1,2,0,1,2,0,1,2)</code><br>
What is the value of: <code>which(!is.finite(x/y))</code></p>
<p><strong>Exercise 8</strong></p>
<p>Consider two vectors, <code>x, y</code></p>
<p><code> x=letters[1:10]</code><br>
<code>y=letters[15:24]</code><br>
What is the value of: <code>x&lt;y</code></p>
<p><strong>Exercise 9</strong></p>
<p>If <code>x=c('blue','red','green','yellow')</code><br>
What is the value of: <code>is.character(x)</code></p>
<p><strong>Exercise 10</strong></p>
<p>If <code>x=c('blue',10,'green',20)</code><br>
What is the value of: <code>is.character(x)</code></p>
<p><strong>Want to practice vectors a bit more? We have more exercise sets on this topic <a target="_blank" rel="nofollow" href="http://r-exercises.com/tag/vector">here</a>.</strong></p>
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