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Cristian Valenzuela | Elance
 
176985602337900
Last Sign-in: Aug 26, 2014

Cristian Valenzuela

Data Mining, Data Scientist, Spreadsheet Developer
   Chile
  |   Santiago, Santiago

Overview

Minimum Hourly Rate $9

Over 3 years of experience improving projects, planning resources and managment of projects. I have experience working with Databases in MS Access y MS Excel, and doing improvement making macros and userforms for the easy utilization and obtention of Data.Also I have large skills in Data Mining, i have develop two system in my country, one is for detecting the fraud in water consumption where i used advanced algorithms (SMOTE, ANN, SVM, Clustering), and another system for fraud detection in electricity sector.

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Oct 17, 2012|Research|$52|Working

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Portfolio

This project show a CashFlow for a Biodigestion System in my country that I develop for...
This spreadsheet was made for the analysis of the project related with Electricity...
In this spreadsheet you can control the fuel of the vehicles of a company. it was...
This spreadsheet was made with VBA for a Contruction Company, where they can control...
Graphs developed from a Database with the Indicator of CGE in my Country (Time between...
Graphs developed from a Database with the Indicator of CGE in my Country (Time between...
expenses of a "Zonal" in Chile, A "Zonal" is a group of several...
This project was made a Spreadsheet that Control All the Budget and Zonal expenses of a...
This project was made a Spreadsheet that Control All the Budget and Zonal expenses of a...
This spreadsheet was developed for take the control of an Electric Project where the...
Data Mining course of 11 weeks durations where the principal topics were: Clustering,...

Skills (10)

Tested
Microsoft Excel 2007 Test
My Score
avg
Microsoft Excel 2010 Test
My Score
avg

Service Description

I have experience in Data Mining over two years, where i have develop two advanced method to predict and detect the fraud of electricity and water consumption in my country. Also I'm taking a specilization of Data Science in Johns Hopkins University and i have taken many courses of Data Mining and Machine learning in important universities in USA. I have exprience with programming in VBA with Excel.

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Employment

Bureau Veritas Chile S.A.
Study Engineer
2012 - Present
In this job I have to study all the project of Utilities in Bureau Veritas Chile S.A., where I have to apply improvements, Excel sheets for the control of the projects, improve the productivity...
Bureau Veritas Chile S.A.
Project Manager Engineer.
2011 - 2012
in this job I have to take the control of the project, where I controlled the advances of the construction of the Electricity Network in Santiago of Chile. I had to control 150 small projects (with...
Coca Cola S.A.
Analyst
2011 - 2011
Make a Market researh of the Client Satisfaction. This consist to make a survey to a 500 clients and then I have to consolidate the data in a Excel Spreadsheet with Powerpivot tables and macros,...

Education

University of Talca
Master of Business Administration
2012 - Present
University of Talca.
Civil Industrial Engineer
2006 - 2011
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

Data Mining
Data Scientis
Spreadsheet developer
Data Analysis.
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Identity
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CristianVal
Type
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Member Since
October 2012
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Cristian Valenzuela | Elance

Cristian Valenzuela