Articles by Vasileios Tsakalos

Tensorflow – Neural Network Training: Exercises

April 1, 2018 | 0 Comments

Deep learning is under active development. Papers with new approaches are being published every day. In this set of exercises we will go through some of the newer methods that boost the neural network’s performance. By the end of this post, you will be able to train neural networks ...
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Data wrangling : Cleansing – Regular expressions (3/3)

September 13, 2017 | 0 Comments

Data wrangling is the process of importing, cleaning, and transforming raw data into actionable information for analysis. It is a time-consuming process that is estimated to take about 60-80% of analysts’ time. In this series, we will go through this process. It will be a brief series with the goal ... [Read more...]

Data wrangling : Cleansing – Regular expressions (2/3)

August 30, 2017 | 0 Comments

Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go through this process. It will be a brief series with goal ... [Read more...]

Data wrangling : Cleansing – Regular expressions (1/3)

August 16, 2017 | 0 Comments

Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go through this process. It will be a brief series with goal ... [Read more...]

Data wrangling : Transforming (3/3)

August 2, 2017 | 0 Comments

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go ... [Read more...]

Data wrangling : Transforming (2/3)

July 19, 2017 | 0 Comments

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go ... [Read more...]

Data wrangling : Transforming (1/3)

July 5, 2017 | 0 Comments

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go ... [Read more...]

Data wrangling : Reshaping

June 22, 2017 | 0 Comments

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go ... [Read more...]

Data wrangling : I/O (Part-2)

June 7, 2017 | 0 Comments

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go ... [Read more...]

Data wrangling : I/O (Part-1)

May 24, 2017 | 0 Comments

Data wrangling is a task of great importance in data analysis. Data wrangling, is the process of importing, cleaning and transforming raw data into actionable information for analysis. It is a time-consuming process which is estimated to take about 60-80% of analyst’s time. In this series we will go ... [Read more...]

Data science for Doctors: Variable importance Exercises

April 28, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data science for Doctors: Cluster Analysis Exercises

April 21, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data science for Doctors: Inferential Statistics Exercises(Part-5)

April 16, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data science for Doctors: Inferential Statistics Exercises(Part-4)

April 2, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data science for Doctors: Inferential Statistics Exercises (part-3)

March 27, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data science for Doctors: Inferential Statistics Exercises (part-2)

March 19, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data Science for Doctors – Part 4 : Inferential Statistics (1/5)

February 20, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data Science for Doctors – Part 3 : Distributions

February 13, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. This ... [Read more...]

Data Science for Doctors – Part 2 : Descriptive Statistics

February 5, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day. Therefore, it is absolutely necessary for those people to have some basic knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We ... [Read more...]

Data Science for Doctors – Part 1 : Data Display

January 29, 2017 | 0 Comments

Data science enhances people’s decision making. Doctors and researchers are making critical decisions every day, so it is obvious that those people must have a substantial knowledge of data science. This series aims to help people that are around medical field to enhance their data science skills. We will ... [Read more...]
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