Dennis Irorere

Dennis Irorere

Mentor
5.0
(1 reviews)
US$15.00
For every 15 mins
1
Sessions/Jobs
ABOUT ME
Data Scientist and Engineer by profession, easy going by nature.
Data Scientist and Engineer by profession, easy going by nature.

I'm a data scientist with lots of experience working with geospatial and non-spatial data.

Lisbon (+00:00)
Joined August 2019
EXPERTISE
2 years experience
Experience architecting and maintaining open and proprietory SQL-based database systems. I make sure databases can stand the test of time!
Experience architecting and maintaining open and proprietory SQL-based database systems. I make sure databases can stand the test of time!
3 years experience | 1 endorsement
Extensively worked on multiple data science projects in R. Data manipulation, data visualization, model training, and parameter tuning. I...
Extensively worked on multiple data science projects in R. Data manipulation, data visualization, model training, and parameter tuning. Interacting with databases with the RODBC, dbplyr and working with geospatial data with R using sf, tmap, map view, leaflet packages. Favorite library - data.table, RODBC.
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3 years experience
Building geospatial applications and creating of bespoke maps for the aid decision-making process.
Building geospatial applications and creating of bespoke maps for the aid decision-making process.
1 year experience
I have experience builing airtable workspaces and blocks for clients who want to use it to manage their businesses
I have experience builing airtable workspaces and blocks for clients who want to use it to manage their businesses
2 years experience
2 years experience
2 years experience

REVIEWS FROM CLIENTS

5.0
(1 reviews)
Michael John Pezzetti
Michael John Pezzetti
February 2020
Good guy
SOCIAL PRESENCE
GitHub
caflights15
A shiny project containing all out-bound flights from california in 2015 + useful metdata
R
1
0
flight-prediction
Building a flight prediction model. This model must predict whether a flight would arrive 15+ minutes after the scheduled arrival time with 70+%."
R
1
1
EMPLOYMENTS
Data Analyst
Predictive Insights
2019-12-01-Present
- I deliver value to the company by taking information about specific topics and then interprets, analyzes, and presents findings in comp...
- I deliver value to the company by taking information about specific topics and then interprets, analyzes, and presents findings in comprehensive reports. - I ensure the storage, availability, and coherence of electronically stored data meet my organization's needs.
Database
R
GIS
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Database
R
GIS
Shiny
Data analytics
Osm
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Remote Mapping Consultant
Integration Consulting Group
2019-10-01-Present
At Integration, Dennis helps out with the following: - Validation of remotely mapped settlements - Validation of surveyed settlements - R...
At Integration, Dennis helps out with the following: - Validation of remotely mapped settlements - Validation of surveyed settlements - Review and development of project documentation and manuals - Review of OSM tags used in rural mapping - Geospatial data management - Remote and Field Data collection strategy
GIS
Geospatial Technology
QGIS
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GIS
Geospatial Technology
QGIS
Osm
Odk
Josm
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Data Analyst (Consultant)
Coven Works
2018-03-01-2019-11-01
At coven works, some of my responsibilities include: - Interpret data, analyze results using statistical techniques and provide ongoing r...
At coven works, some of my responsibilities include: - Interpret data, analyze results using statistical techniques and provide ongoing reports - Develop and implement databases, data collection systems, data analytics and other strategies that optimize statistical efficiency and quality - Acquire data from primary or secondary data sources and maintain databases/data systems - Identify, analyze, and interpret trends or patterns in complex data sets - Filter and “clean” data by reviewing computer reports, printouts, and performance indicators to locate and correct code problems - Work with management to prioritize business and information needs - Locate and define new process improvement opportunities Some of my job skills: - Proven working experience as a data analyst or business data analyst - Technical expertise regarding data models, database design development, data mining, and segmentation techniques - Strong knowledge of and experience with reporting packages (Business Objects etc), databases (SQL etc), programming (Javascript, or ETL frameworks) - Knowledge of statistics and experience using statistical packages for analyzing datasets (Excel, R, and Python) - Strong analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts of information with attention to detail and accuracy (Tableau, Google data studio, shiny app)
Database
R
Tableau
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Database
R
Tableau
Shiny
Data analytics
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PROJECTS
Enterprise DashboardingView Project
portfolio project
2019
A shiny project containing all out-bound flights from California in 2015 + useful metadata This dashboard contains information about all...
A shiny project containing all out-bound flights from California in 2015 + useful metadata This dashboard contains information about all flights that departed from California (e.g. LAX, SFO, SAN, OAK, e.t.c) to destinations in the United States, Puerto Rico, and the American Virgin Islands) in 2015: 674,000+ flights in total, with an average of 1850 flown from California daily and 19% delay of the total flight. To help understand what causes delays, it also includes a number of other useful datasets. Interfacing with the database
MySQL
R
Data Visualization
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MySQL
R
Data Visualization
Shiny
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flight predictionView Project
portfolio project
2019
Built a flight prediction model. This model must predict whether a flight would arrive 15+ minutes after the scheduled arrival time with ...
Built a flight prediction model. This model must predict whether a flight would arrive 15+ minutes after the scheduled arrival time with 70+%."
R
Data modeling
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R
Data modeling
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