Natural Language Processing Bootcamp in Python

Set up your Python NLP workspace with Jupyter notebooks, virtual environments, and libraries like NLTK, Pandas, NumPy, Keras, and TensorFlow, locally with Anaconda or in Google Colab.

Learn to set up your environment with the Anaconda distribution to run Python, including installing Anaconda, navigating Anaconda Navigator, and using Jupyter notebooks; explore Google CoLab notebooks as an alternative.

Import the NLP course environment in Anaconda using the provided YAML from course materials, then launch a Jupyter notebook to access libraries like the Natural Language Toolkit.

Create and manage a Python environment from scratch for the NLP bootcamp, install libraries (nltk and pandas) via UI or command line, and verify setups in Anaconda Navigator or Colab.

Run notebooks in Google Colab by storing files in Google Drive and executing code in the cloud. Install libraries with pip when needed, noting possible version differences from local setups.

Gain a practical introduction to Python basics and strings manipulation, covering data types, variables, lists, indexing and slices, and using libraries like Pandas, NumPy, and Keras in a Jupyter notebook.

Master Python basics by exploring sets, dictionaries, and tuples; implement control flow with for and while loops, if statements, and functions, and introduce NumPy and Pandas for data.

Learn to navigate and run code in the Jupyter notebook environment, activate environments, and use code and markdown cells to work with Python, pandas, and numpy.

Explore Python basics with integers and floats, variables, and simple calculations. Master type checks with type, booleans, strings, and variable naming rules, plus operator precedence.

Explore Python libraries by importing the math module to access functions like sqrt, ceil, floor, and log, and retrieve attributes such as pi.

Master Python strings by declaring with single or double quotes, indexing and slicing with zero-based positions, and understanding concatenation, immutability, and basic type operations.

Learn how Python lists store mixed objects and are mutable, unlike strings. Create, index (zero-based), print, and modify lists using square brackets and commas, and understand list versus string behavior.

Explore how Python treats strings as immutable and uses dot notation to apply methods like replace, returning new strings. Contrast with mutable lists that modify in place.

Explore how Python sets store distinct elements using curly braces, extract distinct elements from a list, and convert a set to a list without indexing to see its unordered nature.

Explore Python dictionaries, a key–value pair data structure stored in curly brackets, and learn to access values with keys using square brackets, plus items, keys, and values properties.

Explore Python tuples as immutable data structures similar to lists, learn indexing and item access, understand their immutability, and compare performance benefits of tuples over lists.

Master Python control flow by using if, elif, and else to choose code paths, understand indentation rules, and apply conditions that determine which blocks run.

Master python loops to iterate through lists and tuples with for loops, using indentation and print to greet each item, and avoid infinite while loops by updating counters.

Master defining and calling Python functions with def, return, and arguments to make code reusable and flexible, with notes on numpy and pandas for data analysis.

Explore numpy for vectors, matrices, and tensors, including creating arrays, checking shapes, and indexing across dimensions. Learn how pandas complements numpy by enabling labeled data frames for machine learning workflows.

Explore Pandas and its DataFrame for tabular data, using iloc and loc for indexing, and head, tail, and shape to inspect data with NumPy-backed familiarity.

Advance core Python skills in the natural language processing bootcamp in Python by completing the provided exercises, using math imports for log calculations, and validating your code across twenty exercises.

Solve Python exercises on math, type checking, lists, sets, dictionaries, and numpy and pandas basics, with code along demonstrations of log, sqrt, and data frame creation.

Learn basic text processing in Python by manipulating strings: indexing, slicing, immutability, concatenation with plus, replication, iteration, and key methods like strip, split, join, replace, find, count, and case conversions.

Explore how Python stores strings as binary in computers and why binary encoding fails to capture word meaning, highlighting the distinction between characters, strings, and text in natural language processing.

Learn to index and slice strings in Python, including zero-based and negative indices, handle index errors, and understand string immutability and type checks.

Combine strings with the plus operator to form phrases like hello world, and use the asterisk to repeat strings or build expressions.

Learn to iterate over strings in Python and print selectively by character. Use the format method with placeholders to personalize greetings for a class list, including named arguments.

Test substring containment with in and not in, noting Python's case sensitivity; escape quotes with backslashes or use raw strings for Windows paths.

Explore Python string methods and functions, including the length function, upper, lower, and isalpha checks; note spaces and punctuation affect alpha, and strings are immutable while concatenating via sum.

Explore the strip, split, and join string methods in Python, learning how strip removes leading and trailing spaces, how split tokenizes text, and how join rebuilds sentences with separators.

Learn Python string methods, capitalize, count, replace, and find, and how strings are immutable, with hands-on examples and exercises.

Solve string basics in Python through a code-along, covering indexing, slicing, concatenation with spaces, counting o's, lowercasing, splitting, and converting numbers to strings.

Discover the NLTK library and its core NLP techniques—tokenization, stemming, lemmatization, and POS tagging—using off-the-shelf models to build text pipelines.

Learn about part-of-speech tagging with NLTK, off-the-shelf and frequency-based models, and the role of n-grams and the transformer’s attention in capturing word context.

Explore how natural language processing tools help computers understand human language, review NLP pipelines and use cases, and learn the NLTK library for training and applying models in Python.

Explore tokenization in Python, learning how sentence tokenizers and word tokenizers split text, with a hands-on example using Nltc's Punkt to handle decimals and abbreviations.

Learn to tokenize text with nltk's word_tokenize, understand why whitespace splitting fails, and explore treebank word tokenizer and alternatives like tweet and punctuation-based tokenizers.

Learn how to clean tokens by removing punctuation and converting text to lowercase before tokenization, building a practical natural language processing preprocessing pipeline.

Explore the NLTK FreqDist function on a tokenized text to count token frequencies, identify the most common tokens, and filter stopwords to reveal EU-related keywords.

Explore stemming in natural language processing with Porter, Lancaster, and Snowball stemmers to reduce words to roots, compare rules on words like running and controversy, and discuss over-stemming.

Apply stemming to a full sentence using porter, snowball, and lancaster stemmers, compare readability and length, and explore how the tokenized definition becomes stems in NLP pipelines.

Explore lemmatization with the wordnet lemmatizer in nltk, and learn why POS tags are essential for correct lemmas, including comparisons to stemming in Python.

Explore part of speech tagging with an off the shelf nltk tagger, learn how tokens receive POS labels using Penn Treebank tags, and train a POS tagger with tag data.

learn to train a simple unigram pos tagger using the Brown corpus, exploring tagged sentences and the role of context in tagging words.

Train our own unigram pos tagger on the Brown corpus using a train/test split to assess generalization and understand its accuracy on unseen data.

Train a bigram tagger to augment the unigram tagger using training data and context, with back-off to unigram for unknown pairs, boosting accuracy up to 97%.

Learn how lemmatization uses POS tagging by mapping Brown Corpus tags to WordNet tags and applying NLTK’s lemmatizer, then compare with stemming on sample text.

Learn how stop words affect text analysis by comparing two texts, tokenizing them, and removing common English stopwords with nltk to reveal meaningful topics.

Explore n-grams in natural language processing by building unigrams, bigrams, and trigrams from tokenized text, analyzing context, and extracting common word pairs.

Master NLP with the NLTK library by tokenizing text into sentences. Identify the most common word per sentence, stem with snowball, and train a unigram tagger on the Brown corpus.

Learn to analyze IMDb reviews using the natural language toolkit in Python and Pandas. Perform token cleaning, stopword removal, and sentiment analysis to distinguish positive from negative reviews.

Explore word vectors, from one-hot representations to context-based co-occurrence matrices, and measure similarity with cosine similarity to capture word meaning.

Explore word vectors in natural language processing, from bag of words and one-hot representations to vocab creation, and understand why simple orthogonal vectors fail to capture meaning.

Build a co-occurrence matrix to capture word meaning from neighbor contexts, replacing one-hot vectors with counts, using tokenization, a vocabulary, and a windowed neighborhood.

Learn to build and fill a word co-occurrence matrix that replaces one-hot vectors with context-rich word vectors using a neighbor window, then apply cosine similarity in NLP.

Explore cosine similarity in word vectors via a co-occurrence matrix, visualize vector angles, and compute similarities in Python with scikit-learn for NLP.

Visualize word vectors using numpy and matplotlib to explore cosine similarity and co-occurrence, showing how vectors align, differ, and relate across dimensions.

Solve word vectors exercises by building a sorted vocab from the sentence, constructing a two-neighbor co-occurrence matrix with numpy, and computing cosine similarity in a pandas dataframe.

Create a multi-sentence vocab and co-occurrence framework, build a distinct vocab, generate a two-neighborhood co-occurrence matrix, and derive a cosine similarity-based word vector analysis to identify Liverpool's most similar words.

Learn how to import text data into Python from local files and web pages using requests and BeautifulSoup, organize into lists or tabular data, and prepare data for nlp pipelines.

Learn to load CSV data into Python with pandas, using read_csv, relative and absolute paths, and explore disaster tweets for NLP analysis.

Learn how to read CSV data in Python using the csv module or pandas, handle encodings, and build a list of dictionaries from rows for NLP workflows.

Learn to read a txt file into Python, decide between pandas or native open, handle relative or absolute paths, and tokenize the text for analysis.

Fetch a Wikipedia page with requests and beautiful soup, parse HTML, and extract text for NLP in Python. Understand http status codes like 200 and 404 during scraping.

Learn to scrape a Yahoo Finance news article with requests and BeautifulSoup, extract the Apple settlement text, and use id, class, and get_text to build a robust NLP pipeline.

Explore how request errors block web scraping, using requests and beautiful soup to retrieve text data, and learn why sites like LinkedIn deny access.

Explore scraping a web page with Python using the Wikipedia library to extract text, titles, summaries, and links, offering a cleaner alternative to requests and Beautiful Soup.

Explore neural word2vec models that turn word context into vectors via neural networks, co-occurrence context, and activation functions; train weights with gradient descent to predict center words and capture meaning.

learn to create word vectors with a neural network using the continuous bag of words cbow model, building context windows from co-occurrence matrices and exploring a pre-trained model.

Explore CBOW in Python by building a vocab of distinct words, mapping words to indices, and representing word and context with one-hot vectors to predict the center word from context.

Learn cbow in Python by converting context words into mean one-hot feature vectors and predicting the target word, yielding word embeddings through neural weight learning.

Explore how a neural network uses input features, weights, a hidden layer, and activation functions to generate outputs and minimize error through gradient descent.

Train a CBOW style neural network with Keras. Build a sequential model with dense layers and softmax activation to learn word vectors through training with Adam and cross entropy.

Learn how to extract word vectors from a trained neural network by averaging layer weights to form embeddings for each word in the vocabulary, using Keras in a CBOW setting.

Build word vectors using a continuous bag of words model trained on Wikipedia data from Europe, America, and Africa, with preprocessing and tokenization to create a vocab and embeddings.

Learn to build word context from tokenized text using a fixed neighbor window, represent words with one-hot vectors, create word-context pairs, and form X and Y arrays for training.

Turn word and context into mathematical vectors using one-hot representations and neural network–learned embeddings, with a context window to optimize weights and measure word similarities.

Train a neural network on Wikipedia word vectors with Keras, using a 40-node hidden layer and softmax output; validate with a 0.2 split and apply argmax for predictions.

Evaluate neural network performance by comparing one hot vector predictions to targets with sklearn accuracy score, achieving about 82% on central words and highlighting embeddings for latent meanings.

Extract word embeddings from neural network weights, combine and average them, then compute cosine similarity to find the most and least similar words, illustrating training data effects and off-the-shelf models.

Load a pre-trained word2vec model with Gensim from Google News 300, explore 300-dimensional embeddings, and compare tokens, case sensitivity, and vector visualization for word relations.

Explore word2vec embeddings, compute cosine similarity to reveal latent word meaning, and perform analogies like king plus woman minus men yielding queen, or Spain plus England minus London yielding Madrid.

Visualize word2vec word vectors by applying PCA to reduce embeddings to two dimensions and plot relationships among car, banana, pear, and other terms.

Explore word vectors and embeddings in Python by building a CBOW vocabulary, one-hot representations, and a 50-node neural network in Keras; then use Gensim Word2Vec for similarities and analogies.

Use word vectors to predict missing center words in documents, preprocess data, tokenize, train a word-vector model, and explore similarities among stored vectors in Python.