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Hourly - Expert ($$$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
Seeking an advanced analytics architect to help propose an end-to-end, cloud-based, PaaS solution (rough wireframe), blending the best of Big Data, Machine Learning, Predictive and Prescriptive analytics for my startup in development.
Skills: R Apache Spark Big Data C
Hourly - Expert ($$$) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
Create an interface / wrapper to extract live market data, and indicators such as moving averages, RSI ...etc to interface with the trading platform in R. The R interface should be able to extract data, and invoke trading signals to the platform. ... The R interface should be able to extract data, and invoke trading signals to the platform. I can help with R programming but I need someone who can find the platform and interface with it.
Skills: R C++ Java Python
Fixed-Price - Entry Level ($) - Est. Budget: $50 - Posted
I need help to match company identifiers across multiple financial databases. I have a database with 133,622 observations. In this database, I have CUSIP (8-digits), CUSIP (9-digists) and ISIN as company identifiers. For my research, I need to merge this database with three other databases, which are IBES for security analysts forecast information, COMPUSTAT for firm income and spending information, and CRSP for stock information. Because these three databases use different unique firm identifiers, please see the table below. I need to identify the corresponding GVKEY, PERMNO, and IBES ticker for the CUSIP in the primary database. The issue with CUSIP is that it changes over time for a company. So, for company A the CUSIP used in 2001 may be different to its CUSIP in 2003 or later. I will provide you with the primary database with four columns: CUSIP (8-digits), CUSIP (9-digists), ISIN, and a date. The output I’m looking for is the primary database with three additional columns, GVKEY, PERMNO, and IBES ticker. I can also provide you with one file that specify the match between CUSIP (9-digits) and GVKEY and PERMNO for different time period. Since GVKEY and PERMNO do not change over time, we can use this file to track the different CUSIP used for a firm across different years. In fact, there are already SAS code developed by WRDS to match IBES ticker and CRSP PERMNO. Since I always use STATA for my research and not familiar with SAS. I need help to process these. The SAS code to match IBES ticker to PERMNO https://wrds-web.wharton.upenn.edu/wrds/research/macros/sas_macros/iclink.cfm The SAS code to add PERMNO to Compustat data https://wrds-web.wharton.upenn.edu/wrds/research/macros/sas_macros/ccm.cfm Attached are two files: 1. A sample of the primary database with firm identifiers and date 2. A sample of the database showing the link between CUSIP, GVKEY, and PERMNO
Skills: R Econometrics SAS
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
Hey there, I run a small business and I'm constantly split testing Facebook advertising. I want to set up a multivariate analysis on RStudio that I can swap out data for and be able to determine when certain variables are truly affecting my conversions. Would love to chat, Ryan Hartigan
Skills: R Statistics
Hourly - Expert ($$$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Online tutor for biological network analysis course for almost blind bioinformatics graduate student needed I am a severely visually impaired student. My eyesight is not good enough to see the projector in class but the class material is online at http://medicalbioinformatics.de/teaching/item/network-analysis-ss16. It is a class on network analysis. I only have very limited programming background. That is why I am looking for a tutor, who could teach me the methods and assignments from this course from the very beginning. Teaching can be done remotely using TeamViewer and Skype. Please look at the lectures and assignments to determine if you’d like to teach me this material. I thank you very much in advance for considering taking your time to assist me in learning the skills and techniques to earn a PhD in bioinformatics despite being almost blind Best regards, Thomas
Skills: R Bioinformatics
Fixed-Price - Intermediate ($$) - Est. Budget: $50 - Posted
Hello, I need someone to analyze data using repeated measures MANOVA (control vs intervention over three time periods) and then use post-hoc tests to identify where the significant differences are occurring. Also want descriptive statistics for age, race, and gender. Independent variable is listed as SMART (0 or 1) and dependent variables are the composite scores (e.g., premorbid, language, processing speed, learningmemory, exfunc) across three time periods indicated by 1, 2, or 3. Please include all appropriate assumptions tests and missing values. I have a limited number of cases thus need to bootstrap my sample to 1,000 cases. Please send all output back to me and include graphs of the main analyses. Theoretically should take minimal time, two hours max, thus will only be a one time job.
Skills: R Bootstrap Data Analytics IBM SPSS