Python Scipy Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
I need someone to build a Excel vba based web crawler to extract large amounts of data from websites. Someone that has work experience of more than 3 years creating web crawlers/ scripts to extract data big websites and solve any security issues. Please see attached file for format needed. Site aliexpress . com ioffer . com etc.
Skills: Python SciPy Data mining Data Science Data scraping
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
What we need is someone who is not only skilled in analyzing data, but knows how to apply it strategically to various digital marketing channels in a holistic fashion. All of the difficult work of creating a survey, obtaining statistically significant results, cleaning, visualizing the data, etc has been done. We just need someone who can tell us how to use the data to meet our goals. This will take some back and forth with me, and creating more visualizations within Qualtrics. It might also mean comparing the results with our AdWords data. I need someone who can really listen to my rather unique concerns and help us get what we are intuitively after. Background: I manage the strategy for an outreach website aimed at creating more people who believe that land value tax is a desirable and important policy for ending poverty and saving the environment. I need someone to first compare our existing survey results, preferably using Qualtrics, to the academic theories of Dan Kahan, a professor at Yale. The theory is called Cultural Cognition, which puts respondents into 4 buckets. This theory is useful because of its power to predict how people will answer many questions about society, beyond the 5 questions in the survey. We already have broken the responses into these 4 buckets the best we can, but I can't help but feel that we need to dig deeper. We currently receive $40K in free advertising from Google AdWords for being a non-profit. We also have a newsletter. We have data from all of these activities. We need a 2nd opinion on our overall marketing strategy. We are juggling two goals, to identify as large of a chunk of society as possible who is likely to be interested in our ideas and to better market to them. Our other goal is to influence people in the San Francisco Bay Area who will attend our events and perhaps donate to our cause in a variety of ways. Please read and comment on this document:
Skills: Python SciPy Business Analysis Business Mathematics Business Planning
Fixed-Price - Intermediate ($$) - Est. Budget: $250 - Posted
Hi ! I got few simple tool written in python ! Problem in them is that those tools are very slow ! I need decent performance improvemnt for them ! Tool 1:!M00BVCxS!n4UbvDvv-z4PMTE9iLcdrAWBH3F_tVgB5KGL_AmufcQ Consits of few modules: - - add multithreading - improve algorithm for better performance if possible - maybe using indexed database instesd of file as data source would help? - - add multithreading if possible - make as fast algorithm as possible - should work with files like 50GB but not eat more than 75% of computer RAM - - already multothreaded ! but still very slow !! need decent improvemnt because LSA* scripts are most important to me Tool2:!8wEwAZQS!s8EAQK27Lh1IiA5XMbjGv1oISjbmSyOXKwIK5Phbatw removes duplicates from parallel sets of texts. Now it works but problem is that I want to process 300GB data and the tool tries to load all into memory that needs to be solved. Also introducing multithreading is needed. Other algorithmical improvements are not needed but well seen if possible. Tool3:!E0tkUKDY!4CxlRzz3omo2ux3CpUjtsqls0wWw_QLkPbEGgHdG4uI Works good, but too slow. I would need to add multhreading (but the tools should not consume more that 75% of PC RAM). Other algorithmical improvements are in my opinion requred if possible.
Skills: Python SciPy Artificial Neural Networks CUDA Deep Neural Networks
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Looking for a python programmer familiar with the sci-kit learn package to work on a small regresion analysis. To begin with, this will be a short python program, but there may be future work available if the results are good. Experience with stock trading or other time based datasets will be required. Further information and dataset will be made available to the selected candidate.
Skills: Python SciPy Data Science Machine learning Python
Fixed-Price - Expert ($$$) - Est. Budget: $100 - Posted
ATTN: PRICE IS JUST A PLACEHOLDER I have a project requiring the use of python. Attached is the document detailing the project description.
Skills: Python SciPy Linear Programming Python
Fixed-Price - Expert ($$$) - Est. Budget: $30 - Posted
Have some pre-existing python code that needs to be adjusted. The python code pulls from a database, and creates two csv file - 1) a total file, which saves all data, and 2) a 30 minute file, which displays all data collected in the past 30 minutes, and this file is updated constantly, every 10 seconds. The file that is not working is the second 30 minute file. The issues are: 1) Has incorrect number of data points 2) Is sometimes blank when I pull the file from the cloud The file needs to update every 10 seconds, but I also need the ability to rapidly pull it every second - and have all the necessary data available.
Skills: Python SciPy Amazon EC2 Amazon DynamoDB Python
Fixed-Price - Intermediate ($$) - Est. Budget: $400 - Posted
This is a portal designed to help inform people about the effects of Depression. 1. A CMS - The ability to add static content to each page. (100$ 2.Twitter Graphs - we want to mine social media data about certain healthcare policies and initiatives and then graph the frequency of their sentiment. Then there should be a recommendation engine built around it. (150$) 3.A black board feature. We want to create a black board, where I can add a company name, address, logo, and description as well as a title, and have people sign up and register for that oppourtunity on the black board. Think sort of like a signup genius widgit that I can edit and add people to. (100$) 4. I also want to be able to create certain admin accounts, that can manage this blackboard/ signup genius widget. I dont want them to be able to edit the entire site; I want them to be able to edit the entire widget. (50$)
Skills: Python SciPy CSS HTML JavaScript
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
CANCER 3D Modeling from 2D DICOM Images ==================================== I am a student in a university with a health background and some basic information in Python. I am working in a cancer visualization and extraction project and looking for an experienced software programmer using python and have experience in medical imaging as DICOM images (digital imaging and communication in medicine).This project continues for one month and through it I want the programmer to make 3D reconstruction from 2D DICOM images. The program also makes extraction and segmentation of the tumor tissue from the background and segmentation of other tissues. Then it renders the 3D model of the extracted tumor. We need to use different kinds of algorithms as marching cube algorithm including interpolation and approximation for 3D reconstruction. Developer may use segmentation algorithms as K-means, region growing, threshold and the likes. I already started the work and I have online resources for DICOM images, I performed some scripts related to this work and downloaded some open-source of DICOM images software processing images as 3D slicer and imageJ. All of these I will provide the programmer to start his/her work. Program Requirements A program is needed to be written in Python. It will do the following: 1. Read sequence of DICOM .DCM images (2D) and render them in sequence and the sequence can be controlled with the mouse back and forth. (Already completed) 2. Segmenting and analyzing the 2D DICOM images and separate areas that are likely to be cancer (We will give the programmer some algorithms recommendations as well as the density that are likely to be cancer), separate cancer areas in new sequence of DICOM images, example: a. Original DICOM images (1.dcm, 2.dcm, 3.dcm, 4.dcm, 5.dcm, 6.dcm, 7.dcm, 8.dcm, 9.dcm, 10.dcm, 11.dcm, 12.dcm). b. The DICOM that contains cancer would be: (3.dcm, 4.dcm, 5.dcm, 11.dcm, 12.dcm). c. The following requirement in number (3), it will build the 3D model from the cancer DICOM images in (b) above. 3. Then build a 3D construction from the DICOM sequence. The 3D model should be controlled with degrees of depth (From skin to the deepest structure). (Completed partly) Figure 1: (2D DICOM image) Shows cancer in blue circle, the cancer can be analyzed according to several algorithms, some of them consider the brightness, some the circular shape, and some the density. The developer can use any algorithm that sees fits, to determine the cancer area in DICOM images.
Skills: Python SciPy 3D Rendering Image Editing Image Processing