Deep Learning with R Cookbook

How to do it...

Now that we're familiar with the data, let's look at it in more detail:

1. Let's import the word index for the imdb data:

word_index = dataset_imdb_word_index()

We can look at the head of the word index using the following code:

head(word_index)

Here, we can see that there's is a list of key-value pairs, where the key is the word and the value is the integer that it's mapped to:

Let's also look at the number of unique words in our word index:

length((word_index))

Here, we can see that there are 88,584 unique words in the word index:

2. Now, we create a reversed list of key-value pairs of the word index. We will use this list ...