~/conference

PyData Amsterdam 2016

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PyData Amsterdam 201604m
The page reports concrete wins: a face recognition tutorial that runs hands-on and produces working demos, ongoing PySpark API improvements born from a real…
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The Duct Tape of Heroes: Bayes RuleVincent D Warmerdam39m
Shows concrete claims and demos: uses pomegranate probabilistic programming, builds Bayesian probabilistic graphs for disease testing, model selection, feature…
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More psychologists need to learn pythonTitus von Köller28m
Argues that programming makes psychological processes concrete by implementing a from scratch agent-based model in Python and IPython Notebook that simulates…
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Jupyter: Notebooks in Multiple Languages for Data ScienceThomas Kluyver, Min Ragan Kelley43m
Explains how a Python-centric notebook becomes a multi-language platform with 50+ kernels, concrete kernel types (native, wrapper, replica), and the 0MQ…
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Measuring Search Engine Quality using Spark and PythonSujit Pal26m
A system built with Python and Apache Spark replays a reference set of 80,000+ user queries against Apache Solr configurations and computes Average Click Rank…
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From Data Science to Production - deploy, scale, enjoy!Sergii Khomenko39m
PyData Amsterdam 2016 Description Data cleaning is the first step of every Data Science project. Next one does Data Science. The talk covers a missing step…
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Data driven literary analysisSerena Peruzzo29m
Works from 28 Shakespeare plays with ~11,000-word vocabulary, uses tf-idf to score terms, reduces dimensionality with LDA topic modelling (gensim) to represent…
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Scaling Up Genomics with SparkSean Owen25m
Genomics is framed as a data and compute problem: cost per genome falls to about a thousand dollars, and variant calling and recalibration improve when many…
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Building a live face recognition systemRodrigo Agundez01h 12m
A runnable pipeline shows how to build live face recognition with OpenCV: video capture, release camera or crash, Haar cascades (Viola‑Jones with integral…
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The PyData map: Presenting a map of the landscape of PyData toolsPeadar Coyle31m
A practical map of the PyData landscape that names tools and shows where each actually helps: pure Python and toolz for small fast work, NumPy/Pandas for…
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Networks meet Finance in PythonMiguel Vaz28m
Correlation networks from real market data become a practical tool: code uses pandas, bokeh, networkx, ipywidgets to build correlation matrices, extract…
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Winning Ways for Your Visualization PlaysMark Grundland41m
Argues that layout choices materially change interpretation, demonstrates how aspect ratio, color maps and projections mislead and how Mercator distortion vs…
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Store and manage data effortlessly with HDF5Margaret Mahan36m
Claims that HDF5 gives accessible compressed organized storage with real code and numbers: uses h5py and an IPython notebook to show a processing pipeline that…
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CART: Not only Classification and Regression TreesMarc Garcia40m
Decision trees are simple but practical: a Python implementation that builds axis-aligned splits, uses min_samples_leaf=4 and max_depth to avoid overfitting…
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Hybrid Recommender Systems in PythonMaciej Kula35m
Claims a hybrid matrix‑factorization that embeds item and user metadata and therefore handles cold start, reducing parameters by sharing feature embeddings…
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Gotta catch'em all: recognizing sloppy work in crowdsourcing tasksMaciej Gryka25m
Trains a random forest on hand‑labeled clicks keystrokes and network logs from tens of thousands of tests to flag lazy workers with about 90% accuracy. Uses a…
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Tools and Tricks from a Pragmatic Data ScientistLucas Javier Bernardi40m
Claims concrete wins: cosine→Euclidean via normalization lets KD/ball‑trees return exact kNN results (no approximation) and empirical timings on MNIST and up…
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Closing Notes and Lightning Talks01h 16m
www.pydata.org PyData is a gathering of users and developers of data analysis tools in Python. The goals are to provide Python enthusiasts a place to share…
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Using random search for efficient hyper-parameters optimization with H2OJo-fai Chow24m
Claims that random discrete search matches grid and manual search for model quality while using far less compute and cites the 2012 paper as evidence…
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`from __past__ import print_statement`: a Dadaist Rejection of Python 2 vs 3James Powell20m
Presents a working, pip-installable hack that patches a running CPython by inserting a runtime C-Python trampoline to override eval behavior, plus a module…
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Improving PySpark Performance: Spark performance beyond the JVMHolden Karau43m
PySpark bottlenecks center on the double serialization cost between Python and the JVM and DataFrames move heavy work inside the JVM so Python code runs much…
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The Role of Python in the Oil & Gas IndustryGiuseppe Pagliuca37m
Python automates sensitivity and uncertainty workflows rather than just showing examples: a text‑file model generates 800 simulations automated from parameter…
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Pandas: from bdate_range to wide_to_longGiovanni Lanzani01h 21m
Hands-on pandas tutorial that walks a Jupyter notebook (http://s.lanzani.nl/pydataamsterdam) through Series and DataFrame ops with working code…
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the idea behind Automatic Relevance Determination and Bayesian InterpolationFlorian Wilhelm39m
Explains the actual claim that Automatic Relevance Determination recovers sparse weights by placing independent precisions on each coefficient and selecting…
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Realtime Bayesian A-B testing with Spark StreamingDennis Bohle, Ben Teeuwen37m
Realtime pipeline prototype uses Spark Streaming with Kafka to feed live experiment data into a Bayesian engine that models conversions with a beta-binomial…
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How big are your banks? Because the ones in the U.S. are pretty big!David R Pugh38m
Analyzes a 5+ GB FDIC balance sheet panel for Q1 1992–Q4 2015 using Python, Pandas, Scikit-learn, Bokeh with a GitHub Python scraper to bulk the raw reports…
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Python based predictive analyticsDanny Bickson40m
PyData Amsterdam 2016 One of the most exciting areas in data science is the development of new predictive applications; apps used to drive product…
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Finding relations in documents with IEPYDaniel Moisset30m
IEPY is an open source Python system that combines a rule-based + machine learning hybrid pipeline with a document store, a learning engine, a web UI and…
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Do Angry People Have Poor Grammar?Ben Fields41m
Uses a 1% sample of every public reddit comment (filtered to >=5 words, ~319,000 comments) and applies Python NLP tools: tokenization via NLTK, sentiment…
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Machine Learning with Scikit-LearnAndreas Mueller01h 17m
Scikit-learn shows concrete recipes: tokenize with a CountVectorizer to build a 75,000-word vocabulary, vectorize text into sparse matrices, train a linear SVM…
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Running (snippets of) Python in the browserAlmar Klein23m
Three approaches to run Python in the browser are compared and concrete claims are given: PyScript is a transpiler that generates JavaScript, installs via…
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NoSQL Python: making data frames work for you in a non-rectangular worldAileen Nielsen34m
Shows concrete techniques: use json_normalize and ijson to parse nested JSON and ragged CSV fields, subclass list-like column objects and swap class methods to…
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