Python Scipy Jobs

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Hourly - Expert ($$$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
I'm a professor analyzing data of university student attributes and performance. I'm using it to try to predict/identify students who will likely have problems graduating. It's 10 years of data from a large university in the U.S. Lots of features. It should be very interesting. The tricky part is that I can't share the data with you, so we'd have to do some sort of live coding together. I've been teaching myself python, so I'd like to use that software. So I'd be using you as both a consultant for the modelling but also a mentor to help me become a better python programming. For the first part of this project, I'm envisioning about 10 hours of work together, though I'd like to start with just an hour or 2 to see how we work together. After that 10 hours, I would probably continue to hire you periodically for consulting. As I said, the data (which is already pretty clean) is 10 years of data which includes student attributes (GPA, demographics, SAT scores, performance in individual classes, graduation GPA, major...). The first part of the project would be data exploration and visualization. The second part would be statistical modeling. For instance, I'd like to model things like the probability of successfully graduating, the probability of switching majors, the probability of a significant decrease in GPA during the, say, next semester... What I'd like to do is have a preliminary meeting with the freelancer and try to work together for an hour or so, and if it works well then we can continue. I'm envisioning about 10 hours of work over the next month with the possibility of increasing that depending on my needs. The freelancer should have significant experience with python and scientific libraries. I'd prefer someone with strong statistical/machine learning skills too.
Skills: Python SciPy Python Python Numpy
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
We have a dataset of annotated Python functions, and we'd like to better understand how well we can predict the output type of a function given a natural language description of that function. Specifically, in this task we'd like to you build a classifier that, given a docstring, predicts whether a function returns a List. We have already applied dynamic analysis to these functions and will give you a dataset (see the attached file) that looks like: "split an integer into separate digits" True "reverse a list" True "add two numbers" False This dataset contains 259 positive examples and 341 negative examples. We'd like you to build a classifier using these data. We would like to know 1) what is the best accuracy and f1-score that can be achieved under cross-validation on this small dataset 2) what features (e.g. words or phrases) are most significantly associated with functions that return a List. Finally, an important secondary goal of this task is to evaluate Meta, a domain specific language for Python (http://www.meta-lang.org/tutorial). We require that you install and use Meta to instrument your code when completing this task. If you do well on this task, we have many other potential opportunities for work.
  • Number of freelancers needed: 15
Skills: Python SciPy Data mining Machine learning Python
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Required Skills: 2+ years of experience with Python including Pandas, Numpy, Flask or Django, D3.js 10+ years of experience in software development SQL, Database design skills Pluses (not mandatory): 2+ years of experience with Hadoop, MapReduce, Hive, Pig, etc Experienced in using AWS Any experience with machine learning or Spark is a huge plus SRP Systems Inc is a Big Data and Machine Learning startup located in Princeton, New Jersey started from alumni of Stanford University and Wharton. We work on exciting consumer facing products in Big Data. If you want an exciting and cutting edge journey then look no further. You get to work with top management that is seasoned in this field. Our website carries more details: www.srpsystems.com
Skills: Python SciPy Apache Hive Apache Spark d3.js
Hourly - Expert ($$$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
The primary of expertise of our company is Machine Learning. We have a highly successful desktop software offering and working hard to provide a Cloud-scale end-to-end system to benefit our existing clients and expand to new markets. Core Machine Learning algorithms are implemented in C++ and we are building the infrastructure in Python with the following capabilities. * Data Storage * Data Transformation * Machine Learning * High Performance scoring * etc Requirements * Comprehensive knowledge of Python 3 and Python 2. * Working knowledge of data science domain in Python ** numpy ** pandas ** PySpark * Experience in distributed systems development and scalable computing Desired Skills * Experience with open-source Python Machine Learning packages * Advanced Linux shell experience * Data Science technologies ** Python ** R ** SAS ** etc * Software Architecture. Design Patterns. * Software Performance optimization. * Test-driven development. * Agile software development. * Machine Learning with Big Data. * Contribution to Open Source projects. Databases * SQL/Relational * NoSQL
  • Number of freelancers needed: 2
Skills: Python SciPy Big Data Distributed computing Machine learning
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are an AI tech startup based in London, UK. We are looking to work with a Natural Language Processing expert, in particular having experience in Named Entity Recognition and relevant machine learning techniques, to help us with a series of projects. Candidates must have excellent Python skills, and experience of NLP libraries such as NLTK, and scientific libraries such as numpy and scipy. Experience building ontologies will also be a bonus. Ideal candidates should have a research (PhD or equivalent) background - although this is not essential. We are looking to build a long term relationship with the right candidate as this requirement will be ongoing. Our core platform is receiving fantastic feedback from users and investors, and we need help to scale.
Skills: Python SciPy Natural language processing Ontology Python