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4 changes: 2 additions & 2 deletions README.md
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
### Introduction

This second programming assignment will require you to write an R
function is able to cache potentially time-consuming computations. For
function which is able to cache potentially time-consuming computations. For
example, taking the mean of a numeric vector is typically a fast
operation. However, for a very long vector, it may take too long to
compute the mean, especially if it has to be computed repeatedly (e.g.
Expand All @@ -25,7 +25,7 @@ really a list containing a function to
1. set the value of the vector
2. get the value of the vector
3. set the value of the mean
4. get the value of the mean
4. get the value of the mean8

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