Data Analysis/Visualise ⚙️How to Excel & Make sense of your data

From 45 C$ /h

I am a Psychologist (experiments, and research), but I can also hack computers. In this course I can offer you knowledge on Excel, Data Analysis, Statistics Theory, and Data Visualisation. I can help you set up latest software. Bring data: like behavioural, market, consumer, or financial etc. The tools that will be used are Excel with Power Tables/Graphs, Power BI, and SPSS. Other tools like Python, Tableau, R, and Matlab can also be included.

You will learn how to...
🤨 ask research questions, and statistically approach them
💾 bring data together from different sources, and clean it
🔬 conduct analysis and report your results
📊 visualise your findings, with graphs & tables that can explain the story
⚙️ automate the process, so new data is easily included in your model

Extra information

Bring a computer that can turn ON, and we can install everything together

Location

Online from Netherlands

About Me

Hi I am Dimitrios! I love games, cycling and nature. I live in Rotterdam in Holland, but I grew up in Athens Greece.
I was born a Technologist, and I was trained to become a Psychologist! With a hacker’s mindset I enjoy understanding systems and sharing my knowledge. In essence, I like to break things, explore how they function, and create meaningful stories about them.
I used to hate studying, but I came to love it when I realised I can “hack” it, by making it a social activity! So, come learn together!

My super powers cover a wide variety of topics, like…
how to make your computer obey you
how to study and organise time
how to design research on human behaviour
how to gather data, choose scales, conduct analysis, report results, create graphs
how to “hack” Excel and SPSS and other tools

Education

2020-2021: Master in Applied Cognitive Psychology (grade 8/10), Utrecht, NL
2016-2020: Bachelor in Psychology (First of class 🥳 grade 3,74/4), Deree The American College of Greece
2007-2013: Bachelor in Digital Systems, University of Piraeus, GR

Experience / Qualifications

2022: Data Analyst, Customer Data (CRM) Specialist / Insight365, Breda, NL
2021: Researcher for the Dutch Military Aviation / TNO, Soesterberg, NL
2020: Researcher for Facial expression Design in Video Games / Utrecht, NL
2017-2020: Psychology labs manager (multiple projects) / Deere ACG
2016-2020: Learning Facilitator (statistics, psychology, data analysis, +more) / Deere ACG
2018: Coach in Project Based Learning K-12 / Charismatheia School, GR
2013-2016: Warehouse Logistics and Inventory management / City Clinic, GR
2003-Since for ever: Teaching computer skills/ Online and in person

Age

Children (7-12 years old)

Teenagers (13-17 years old)

Adults (18-64 years old)

Seniors (65+ years old)

Student level

Beginner

Intermediate

Advanced

Duration

45 minutes

The class is taught in

English

Greek

Skills

Microsoft excel

Statistics

Numerical analysis

Availability of a typical week

(GMT -05:00)

New York

Online via webcam

Mon

Tue

Wed

Thu

Fri

Sat

Sun

00-04

04-08

08-12

12-16

16-20

20-24

Robert

4.74

(27)

A highly experienced Franco-Belgian teacher (ook in het nederlands!) offers private lessons in mathematics (including finance), probability and statistics, as well as physics, chemistry, and biology for secondary and higher education levels. For physics, chemistry, and biology, the instruction is tailored to the secondary level, specifically up to the 5th year of secondary education in Belgium.

Whether you prefer lessons at your place, my place, or remotely, I am flexible to accommodate your needs. If necessary, I can travel to your home in Brussels, Walloon and Flemish Brabant, with a minimum duration of 2 hours per session. The lessons are designed to provide extensive practice with numerous exercises. Distance learning options are also available through platforms such as Skype, Facebook, etc. Please note that for students in France, only distance learning courses are provided.

In mathematics, I specialize in various topics and frequently provide lessons covering the entire secondary school curriculum, including math 6 and higher. These topics encompass factorization, equations of the 1st and 2nd degree (with in-depth study of parabolas), limits, derivatives, integrals, exponentials and logarithms, as well as trigonometry. Additionally, I am occasionally called upon to teach analytical geometry in space, including equations of lines and planes.

For statistics and probabilities, I provide instruction in descriptive and inferential statistics (univariate and bivariate), covering confidence intervals and hypothesis tests, applicable to secondary and higher education levels.

Feel free to reach out to me to discuss and arrange the lessons based on your specific needs and availability. My aim is to help you enhance your skills effectively and provide personalized instruction. By tailoring the lessons to your requirements, we can ensure rapid progress in your studies.

Matías

4.74

(27)

Are you looking for efficiency, creativity and productivity in your daily tasks? Do not look any further. Microsoft Office is there to meet all your expectations.

Why choose Microsoft Office?

Create with Power: Word, Excel, PowerPoint and many other applications give you powerful tools to bring your ideas to life, whether it's for a professional document, a financial dashboard or a stunning presentation.

Collaborate with ease: OneDrive and Teams allow you to collaborate with your colleagues or friends, no matter where you are. Work together in real time, share files and communicate easily.

Save Time with Automation: Excel simplifies complex tasks with smart formulas, while Outlook organizes your emails and calendar so you can focus on what matters.

Advanced Security: Protect your data and privacy with advanced security features, such as two-step verification and access management.

Advanced Programming: As a specialist, I master programming in VBA (Visual Basic for Applications) to automate your tasks and personalize your Office applications. Additionally, in the latest version of Microsoft Office you also have the option to program in Python, a language that I also master.

Available Everywhere: Whether you're in the office, on the road, or at home, Microsoft Office is accessible on all your devices, allowing you to work wherever and whenever you want.

Join the Microsoft Office Revolution!

Don't let everyday challenges slow you down. Invest in the power of Microsoft Office and unlock your potential.

Transform the way you work, create with ease, and reach new heights with Microsoft Office.

Adam

4.74

(27)

Demystifying probabilities and data processing
Statistics and probability occupy an increasing place in the secondary school curriculum and directly prepare students for the requirements of higher education (economics, medicine, engineering, humanities).

The sessions will include:

Descriptive statistics (means, standard deviations, graphical representations).

Conditional probabilities, probability laws and combinatorics.

Analysis, interpretation of datasets and sampling logic.

Targeted training based on typical exercises and exam problems.

Leila

4.74

(27)

I am an IB-certified Mathematics educator with formal certification in IB Math HL and IB MYP Mathematics, and I have served as an IB Mathematics Examiner within the IB Examiner Network. I also have extensive experience teaching Cambridge and British curriculum mathematics, including IGCSE, AS-Level, A-Level, Edexcel, GCSE, and O-Level.
I specialize in supporting students across leading international curricula, helping them build strong mathematical foundations while mastering the specific assessment criteria, exam techniques, and problem-solving styles required by each system.
Curriculum coverage includes:
IB MYP Mathematics
IB Diploma Programme: Math AA (HL / SL), Math AI (HL / SL), Internal Assessments (IA)
Cambridge & British Curriculum: IGCSE, AS-Level, A-Level, Edexcel, GCSE, O-Level
My teaching approach is analytical, structured, and results-oriented. I help students:
understand how marks are awarded in IB and Cambridge exams
choose efficient and correct solution methods
communicate mathematics clearly and precisely
avoid common examiner-level mistakes
prepare confidently for internal assessments and final exams
As an IB Examiner, I bring insider insight into how student work is evaluated, which allows me to guide students strategically—not only toward correct answers, but toward high-scoring solutions.
With over 12 years of international teaching experience, including work in international schools and at the university level, I support both high-achieving students and those who need to rebuild structure and confidence. Sessions are calm, focused, and personalized to each student’s academic goals.

Sincerely,
Leila

Madara

4.74

(27)

I am a Doctor of Psychology (PhD) and researcher with extensive experience in teaching and mentoring. Since October 2016, I have successfully tutored undergraduate, postgraduate, and Ph.D. students, as well as professionals, in areas including Psychology (AS, A-level (AQA or other exam boards), and degree level), Statistics, Data Analysis, SPSS, Jamovi, JASP, R/RStudio, Research Methods, and in support of research projects, theses, and dissertations.

I specialise in Clinical Psychology, particularly reading disabilities and dyslexia, though I also have strong knowledge across other areas of psychology, research methodology, and data analysis, with expertise in SPSS.

I offer individual, live, one-to-one online sessions via Zoom, tailored to your learning goals. I can also recommend relevant literature and provide resources from my own curated database to support your studies and research.

Salah

4.74

(27)

As a teaching professional, I have always enjoyed sharing my knowledge. My goal is to provide quality education. I am aware that some topics may seem complex, but often this is simply the result of an inadequate explanation by the teacher. With me, you will discover a real interest in the material!

We strive together to achieve academic excellence, overcoming the shortcomings and difficulties encountered by your child. Studies will become a pleasant experience for him. In addition to the courses, I can also help with school orientation, identifying their preferences and highlighting the advantages and benefits of a fulfilling educational ambition.

The sessions generally take place according to the following stages:

1️⃣ The first sessions are devoted to the assessment of the student's level in order to detect existing gaps.

2️⃣ Next, we create a personalized plan to address these gaps, including the number of hours of work needed, specific areas to focus on, and appropriate training and development exercises.

3️⃣ We stay in constant contact with the student's class teacher, to keep up to date with the latest requirements and ensure a consistent approach.

4️⃣ Subsequently, I provide exams similar to those that are likely to be asked in class, to prepare the student effectively.

5️⃣ Upon request, I write a regular report, usually monthly, to keep parents informed of their child's progress throughout their course.

I adapt my methodology according to the specific needs of each student, thus offering them a personalized and adapted work approach.

In addition, I offer crash courses for students preparing for the start of the school year, allowing them to start the year well prepared, with a solid lead on the school curriculum.

If you have any questions, do not hesitate to contact me. I will be happy to help you.

Medo

4.74

(27)

With over 12 years of experience teaching mathematics

in high school, I offer math support lessons.

Class description: As a highly qualified mathematics teacher, graduated from the teachers' college and with 11 years of teaching in public high schools, I offer tutoring courses in mathematics at home.

My courses are aimed at students in the 2nd and 1st general classes, Terminale specialty of the French system, as well as for the 5th, 4th and 3rd levels of the college. T and Common Core Sciences, Technological TC, 1st Bac Experimental Sciences, final year of all sectors (SVT-PC-SC.Math-L),

My primary objective is to help students improve their level, deepen their knowledge, fill their gaps and improve in the discipline of mathematics. I also offer support in the preparation of exams and competitions for access to major schools, as well as homework help for overall success in the subject.

With my advanced math skills, I am committed to providing effective tools and techniques to help my students progress. My interactive, student-centered teaching approach allows for a deeper understanding of mathematical concepts and practical application of acquired knowledge.

By choosing my mathematics tutoring courses, students can expect individual attention and personalized help to overcome their difficulties and achieve their goals. I am confident in my skills to help students of all levels progress and succeed in this demanding subject.

My dynamic and stimulating teaching methods aim to help students acquire self-confidence that will follow them throughout their lives.

Kevin

4.74

(27)

► EXPERT STATISTICS, DATA ANALYTICS, MACHINE LEARNING & AI TUTOR FROM SWITZERLAND
► UNIVERSITY, FOUNDATION, IB, A-LEVEL & INTERNATIONAL SCHOOL SUPPORT

I completed my Master’s degree in Business Information Systems at a Swiss University of Applied Sciences, where my academic background strongly combined mathematics, statistics, data analysis, analytical thinking and problem-solving. This technical and data-oriented foundation shaped the way I teach today: clearly, logically and with a strong focus on real understanding.

For many years, I have successfully supported students in Statistics, Data Analytics, Machine Learning and AI. My main focus is especially on Statistics — from basic descriptive statistics to advanced statistical methods, hypothesis testing, regression, probability distributions and interpretation of results.

I mainly use R for statistical analysis, data handling, visualisation and practical exercises. My goal is not only to help students calculate results, but to make sure they understand what the results mean and how to explain them correctly.

► STATISTICS, DATA ANALYTICS & AI SUPPORT

► STATISTICS & PROBABILITY
I help students understand descriptive statistics, probability, random variables, distributions, sampling, confidence intervals, hypothesis testing, p-values, correlation, regression and statistical interpretation. My lessons focus on explaining the logic behind each method, not just applying formulas.

► APPLIED STATISTICS WITH R
I support students in using R for statistical analysis, data cleaning, visualisation, hypothesis testing, regression models and interpretation of outputs. Students learn how to connect theory, calculation, code and real meaning step by step.

► QUANTITATIVE METHODS & RESEARCH STATISTICS
I help students with statistical methods used in business, economics, psychology, social sciences, science and university research. This includes choosing the correct test, understanding assumptions, interpreting results and presenting findings clearly.

► DATA ANALYTICS & DATA SCIENCE
I support students with data preparation, exploratory data analysis, visualisation, dashboards, summary statistics and practical interpretation. The focus is always on understanding the data and drawing meaningful conclusions.

► MACHINE LEARNING & AI FOUNDATIONS
For students working with modern data topics, I also provide support in the foundations of Machine Learning and AI, including regression, classification, clustering, model evaluation and practical applications. These topics are explained from a statistical point of view, so students understand the logic behind the models.

► UNIVERSITY, FOUNDATION & INTERNATIONAL COURSES
I support students in Statistics, Data Analytics, Business Analytics, Quantitative Methods, Econometrics, Research Methods and technical modules. I help with exam preparation, assignments, projects and practical data analysis tasks.

► HOW I TEACH

► I FOCUS ON REAL STATISTICAL UNDERSTANDING.
Statistics becomes much easier when students understand why a method is used, what the result means and how to interpret it correctly.

► I EXPLAIN FORMULAS STEP BY STEP.
Difficult formulas, tests and models are broken down into simple, logical parts so students can follow the reasoning clearly.

► I CONNECT THEORY WITH R PRACTICE.
Students learn not only the statistical theory, but also how to apply it in R, read the output and explain the result in proper academic language.

► I HELP STUDENTS CHOOSE THE RIGHT METHOD.
Many students struggle with deciding whether to use a t-test, chi-square test, ANOVA, regression or another method. I teach students how to recognise the correct approach from the question or dataset.

► I TRAIN INTERPRETATION AND EXAM TECHNIQUE.
Students learn how to structure statistical answers, write clear conclusions, explain p-values, interpret confidence intervals and present results professionally.

► I ADAPT EVERY LESSON TO THE STUDENT.
Some students need help with theory, others with R coding, assignments, research projects or exam preparation. I adjust every lesson to the student’s exact course, level and goals.

► YEARS OF EXPERIENCE WITH STATISTICS, DATA & UNIVERSITY STUDENTS

Over the years, I have successfully supported students from demanding academic programmes, helping them strengthen their statistical understanding, improve their analytical thinking and achieve excellent progress in Statistics, Data Analytics, Machine Learning and AI.

► ONLINE LESSONS

► Interactive whiteboard
► Clear digital notes
► Step-by-step statistical explanations
► R support for data analysis
► Exam preparation
► Assignment and project guidance
► Practical examples with real datasets
► Focused one-to-one support from Switzerland

► MY GOAL

My goal is not only to help students pass exams or complete assignments, but to help them truly understand Statistics. With the right guidance, statistical methods become logical, practical and much easier to apply.

► SUBJECTS: Statistics, Probability, Data Analytics, Data Science, Machine Learning, AI, Quantitative Methods, Research Methods, Econometrics
► MAIN TOOL: R
► LEVELS: International School, IB, A-Level, Foundation Courses, University Modules, Professional Training
► FORMAT: Online tutoring from Switzerland
► FOCUS: Statistical understanding, R practice, interpretation, exam preparation, assignments, projects and long-term analytical confidence.

Brent

4.74

(27)

Are you drowning in countless formulas? Is your head starting to explode with equations and graphs? Don't panic! Math doesn't have to be a stumbling block. With the right explanation and a calm approach, it often becomes much clearer. Together, we'll tackle it step by step, at your pace.

For whom?
- Students from primary and secondary education
- Children and young people preparing for exams or tests
- Anyone who wants to give mathematics a second chance, including adults

What can you expect?
- I explain the often complicated mathematical language in clear, human language
- Focus on insight, not just learning tricks and formulas by heart
- Exercises that we tackle together
- Space for questions, repetition and building self-confidence
I can also prepare exercises and even complete practice exams myself.

About me
I'm currently pursuing my Master's degree in Data Science/Analytics at the University of Antwerp. In high school, I had seven hours of math a week and always passed my exams with high marks. I've been happily tutoring students of various levels for several years now. I'm analytical, but also calm, patient, and good at sensing exactly where things are going wrong.

Practical:
- 1-on-1 lessons, online, at my place or at yours (if you don't live too far away)
- We will go through your material together or I will provide my own material
- Your own pace and approach, completely tailored to you

I have already successfully guided students with:
- Mathematics in secondary education: from the 1st to the 6th year, for various fields of study and schools, including Latin at Sint-Michielscollege Brasschaat, Economics-Mathematics at KA Schoten, and Humanities at Annuntia.
- Arithmetic in primary education: pupils in the 4th, 5th, and 6th grades, including mental arithmetic, written calculation, and other arithmetic skills.
- Mathematics in the Electromechanics program at AP University of Applied Sciences.

Feel free to send me a message with your questions or concerns, and we'll discuss how I can best support you.

Marc

4.74

(27)

🎓My name is Marc, I have a Master 2 degree in Applied Mathematics and Statistics and a Master 2 degree in Mathematics.
I teach mathematics and computer science to the following levels:
• Middle school (all grades)
• High school: common core curriculum, mathematics specialization, advanced mathematics
• Higher education: BTS, BUT, Bachelor's degree, private schools (probability, statistics, analysis, algebra, etc.)

📍 Areas of intervention
• At home: Marseille
• Online: throughout France (video conference lessons, shared materials, exercises sent after the lesson).

🧠 My method
• Review of the basics to fill in the gaps
• Simple explanations + concrete examples
• Targeted exercises to prepare for tests, exams, baccalaureate, midterms, etc.
• Implementation of a work method (worksheets, time management, writing)

🧮 For whom?
• Students who are struggling and want to improve their grades
• Students aiming for a good grade in the Brevet/Bac exams
• Higher education students who want to succeed in their math/statistics/computer science (python) exams.

⏰ Availability
• In the evenings on weekdays, and it's possible during the day on certain days of the week.
• Weekends
• School holidays (possibility of revision courses in small groups).

Raouf

4.74

(27)

Master the mathematics curriculum and approach your final exams with absolute confidence.

The first year of secondary school is a crucial step towards obtaining your diploma and preparing for higher education. This tailored online course is designed to guide you step by step towards excellence, whether you are in Classical Secondary Education (ESC) or General Secondary Education (ESG).

What we will cover:

In-depth analysis: Study of functions, differential and integral calculus, numerical sequences (notions of limits and asymptotic behavior).

Algebra and Geometry: Complex numbers, geometry in space, systems of equations.

Probability and Statistics: Combinatorics, probability laws, and conditioning.

My methodology:
As a university professor and mathematician, my teaching approach goes beyond simply applying formulas. I emphasize a deep understanding of concepts and rigorous reasoning.

Initial assessment: Identifying your weaknesses and strengths.

Clear and structured explanations: Simplification of abstract concepts through concrete examples.

Intensive training: Solving typical exercises and past papers from the Luxembourg final exam.

Preparation for higher education: Introduction to the working methods required to succeed at university (engineering schools, preparatory classes, faculties of science or economics).

Who should attend ?
For final year (1st year) students in Luxembourg who wish to consolidate their foundations, significantly increase their average, or aim for excellence to enter selective programs.

Format:
Interactive online course with screen sharing, clear visual support, and review materials provided after each session.

Fisnik

4.74

(27)

Do you have a statistics or probability exam in BA1/BA2? I can help you review the material in a clear, structured and exam-oriented way.

I support higher education students (university and college), particularly in their first and second years of undergraduate studies, to understand important concepts, redo practical exercises, and practice with exam-style questions.

My goal is simple: to help you understand the logic behind formulas, know when to use them, recognize correct reasoning in a statement, and gain autonomy when facing exercises.

Subjects covered according to your program:

• Descriptive statistics:
mean, median, variance, standard deviation, quartiles, quantiles, coefficient of variation, box plots, histograms, graphs, interpretation of tables and data.

• Univariate and bivariate statistics:
analysis of one variable, analysis of two variables, scatter plots, covariance, correlation, regression line, coefficient of determination, interpretation of relationships between variables.

• Probabilities:
events, union, intersection, complement, conditional probabilities, independence, Bayes' theorem, probability trees, contingency tables.

• Combinatorial probabilities:
permutations, arrangements, combinations, draws with or without replacement, counting, classic exam situations.

• Random variables:
discrete and continuous variables, probability function, density function, distribution function, expectation, variance, standard deviation, variable transformation.

• Probability laws:
Bernoulli distribution, binomial distribution, normal distribution, standard normal distribution, Student's t-distribution, chi-square distribution, use of statistical tables according to your course.

• Statistical inference:
sampling, estimators, point estimation, confidence intervals, margin of error, degrees of freedom, confidence level.

• Hypothesis testing:
null hypothesis H0, alternative hypothesis H1, significance threshold, p-value, one-tailed or two-tailed test, test on a mean, test on a proportion, chi-square test, interpretation of results.

• Exam preparation:
reading statements, choosing the right method, identifying the formulas to use, typical exercises, past exams, guided corrections and problem-solving methods.

Method of working :

1. We quickly identify the chapters that are causing problems;
2. I re-explain the theory with simple examples;
3. We redo the important exercises together;
4. I will show you how to recognize good reasoning in the exam;
5. We construct a clear method that can be reused independently.

I don't just provide a correction: I explain the reasoning step by step so that you are able to redo the exercises without help.

For students retaking the exam, I also offer more intensive support: level assessment, priority identification, review of fundamentals, and practice with typical exercises and past exams. The goal is to get straight to the point and work efficiently within the time available before the exam.

I have been giving private lessons for over 7 years in mathematics, statistics, economics, and accounting. I have also tutored first and second-year Bachelor's students at Solvay/ULB in mathematics, statistics, and microeconomics as part of a university tutoring program.

My professional experience in finance and business controlling at Deloitte has also allowed me to develop a very structured approach to numbers, analysis and problem-solving.

Courses available in French or English, online or in person in Brussels or the surrounding area.

Hayat

4.74

(27)

Vous voulez analyser vos données avec Excel, sans vous perdre dans les formules ? Ce cours en ligne vous guide pas à pas, avec des exemples concrets et des exercices pratiques.

Vous apprendrez à :

organiser et nettoyer vos données (tri, filtres, suppression des doublons)
utiliser les formules essentielles (SOMME, SI, NB.SI, MOYENNE, RECHERCHEV / RECHERCHEX)
résumer vos données avec les tableaux croisés dynamiques
créer des graphiques clairs et présenter vos résultats

Le cours s’adapte à votre niveau et à vos besoins (études, travail, projet personnel). Je suis data analyst et j’utilise l’analyse de données au quotidien, ce qui me permet de vous montrer des cas pratiques.

Masza

4.74

(27)

I know how stressful it might be to go through your statistics courses, trying to memorize formulas and not understand a thing. My classes can help you understand various concepts and give you an idea of how we can perceive statistics as a way to explain phenomena in our daily lives. For practical exercises, I work with SPSS.

Victor

4.74

(27)

I provide bespoke, one-on-one A-level Maths and Further Maths tuition focused on strategic problem-solving and rigorous exam preparation. As a former university lecturer and researcher, I have extensive experience guiding students through complex mathematical concepts and helping them secure top grades.

I adapt my teaching to all major UK exam boards and utilise digital whiteboards for highly interactive, real-time collaboration. Rather than relying solely on generic textbooks, I design custom mock exams and targeted worksheets tailored exactly to your syllabus and areas for improvement.

Whether your primary goal is achieving top A-level results or you require elite preparation for competitive university admissions exams such as the TMUA, MAT, or STEP for institutions like Oxford, Cambridge, and Imperial College, I provide the structured environment you need to succeed.