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EITCA Academy

The European Information Technologies Certification Institute - EITCI ASBL

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EITCI Institute ASBL

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Questions and answers designated by tag: TF-IDF

Which ML algorithm is suitable to train model for data document comparison?

Sunday, 29 October 2023 by Hema Gunasekaran

One algorithm that is well suited to train a model for data document comparison is the cosine similarity algorithm. Cosine similarity is a measure of similarity between two non-zero vectors of an inner product space that measures the cosine of the angle between them. In the context of document comparison, it is used to determine

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, First steps in Machine Learning, The 7 steps of machine learning
Tagged under: Artificial Intelligence, Cosine Similarity, Document Comparison, Machine Learning, Model Training, TF-IDF

What are the steps involved in preparing data for text classification with TensorFlow?

Saturday, 05 August 2023 by EITCA Academy

To prepare data for text classification with TensorFlow, several steps need to be followed. These steps involve data collection, data preprocessing, and data representation. Each step plays a important role in ensuring the accuracy and effectiveness of the text classification model. 1. Data Collection: The first step is to gather a suitable dataset for text

  • Published in Artificial Intelligence, EITC/AI/TFF TensorFlow Fundamentals, Text classification with TensorFlow, Preparing data for machine learning, Examination review
Tagged under: Artificial Intelligence, Bag-of-Words, Data Collection, Data Preprocessing, Feature Scaling, Lemmatization, Sequence Representations, Stemming, Stopword Removal, Text Cleaning, Text Vectorization, TF-IDF, Tokenization, Word Embeddings

How does the bag of words approach convert words into numerical representations?

Wednesday, 02 August 2023 by EITCA Academy

The bag of words approach is a commonly used technique in natural language processing (NLP) to convert words into numerical representations. This approach is based on the idea that the order of words in a document is not important, and only the frequency of words matters. The bag of words model represents a document as

  • Published in Artificial Intelligence, EITC/AI/GCML Google Cloud Machine Learning, Expertise in Machine Learning, Natural language processing - bag of words, Examination review
Tagged under: Artificial Intelligence, NLP, TF-IDF, Tokenization, Vectorization, Vocabulary Creation
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