Text Prediction using RNN.Given the phrase “34+17”, the model should predict the next word in the sequence “51”. The input and output is a sequence of characters which in turn an arithmetic expression of two numbers and its result. Thus our data is represented as a sequence of two words expression and result.
Given the phrase “34+17”, the model should predict the next word in the sequence “51”. The input and output is a sequence of characters which in turn an arithmetic expression of two numbers and its result. Thus our data is represented as a sequence of two words expression and result.
As Recurrent Neural Networks(RNNs) are best suitable for processing sequential data, we are going to build a simple RNN model for solving this problem.
This can be implemented in 6 steps:
Import necessary Libraries
Step 1: Generating data
We need to define a vocabulary with the required set of characters for the input and output strings. Thus the vocabulary consists of 0 to 9 digits, +, -, *, / and decimal(.) symbols.
The RNN model that we are building needs numeric values in tensors as an input. A suitable representation of this sequence of characters is one-hot encoded vectors. The dimension of the vector should be equal to the length of vocabulary, which is the total number of features. A dictionary needs to create to tokenize the characters into numeric values. Also, create another dictionary with indices as keys and corresponding characters as values that are used in later steps.
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