kunalharia.github.io

Kunal’s Portfolio

I use the editor on GitHub to maintain and preview the content for this website in Markdown files.

Who/Where Am I?

• GitHub
  • This Repository on Github
• UCL: MSc Statistics
  • Statistical computing (with R)
  • Statistical models and data analysis
  • Applied Bayesian methods
  • Forecasting (with time series analysis)
  • Decision and risk
  • Statistical design of investigations
  • Statistical inference
  • Stochastic methods in finance (with Monte Carlo simulations)
  • Dissertation: Rolling Markowitz approach to dynamic asset allocation
• LinkedIn
• Chess
• Tutoring in NW London
• Twitter
• Instagram
• Kaggle
• Shared R Markdown documents (RStudio) on RPubs
  • Datacamp
    • 0 - Updating R
    • 1 - introduction to R
    • 2 - intermediate:
      • intermediate - 0
      • intermediate - 1 - functions
      • intermediate - 2 - packages
      • intermediate - 3 - apply family
      • intermediate - 4 - utilities
    • 3 - intermediate R - Practice - 0 - conditionals-and-control-flow
    • 4 - importing data:
      • 1 - importing-data-from-flat-files-with-utils
      • 2 - readr-datatable
      • 3 - importing-excel-data
      • 4 - XLConnect - fail :no_mouth:
    • 5 - importing data:
      • 1 - importing-data-from-databases
      • 2 - importing-data-from-statistical-software-packages
      • 3 - importing-data-from-web
    • clean - explore - tidy - prepare
    • 7 - importing-cleaning-data-in-r-case-studies
    • 8 - writing-functions-in-r
    • 9 - dplyr (data manipulation)
      • joining data with dplyr
        • Mutating joins and Filtering joins
        • Set operations
        • Assembling data
        • Advanced joining
        • Case Study

When in Hong Kong, and you see a giant back pack:

Classification problems.

Random Dataset

Github nbviewer

This was an exercise I tried to solve.

Random Useful Things

Notes:

• GIT = version control tool
• github = social code-hosting platform
• RStudio projects => multiple contexts, each with their own working directory, workspace, history, and source documents - test

Podcasts:

• https://www.datacamp.com/community/podcast

Bookmarks

http://nirvacana.com/thoughts/wp-content/uploads/2018/01/RoadToDataScientist1.png

stats

• http://www.statsoft.com/Textbook/Multiple-Regression
• http://www.statsoft.com/Textbook/Cluster-Analysis
• https://www.statmethods.net/advstats/matrix.html
• https://www.datacamp.com/community/tutorials/markov-chains-python-tutorial
• https://towardsdatascience.com/time-series-analysis-in-python-an-introduction-70d5a5b1d52a

• https://www.analyticsvidhya.com/blog/2016/02/time-series-forecasting-codes-python/

• https://web.stanford.edu/~hastie/ElemStatLearn/
• https://web.stanford.edu/~hastie/ElemStatLearn/printings/ESLII_print12.pdf

R

• http://www.rdatamining.com/
• rpubs.com
  • https://rpubs.com/about/getting-started
  • https://rmarkdown.rstudio.com/html_document_format.html
  • https://www.rstudio.com/wp-content/uploads/2015/03/rmarkdown-reference.pdf
• time/date: https://rstudio-pubs-static.s3.amazonaws.com/28038_1bcb9aa80ca84f27ace07d612872861a.html

ML

• https://machinelearningmastery.com/classification-accuracy-is-not-enough-more-performance-measures-you-can-use/
• https://www.aunalytics.com/2015/01/30/decision-trees-an-overview/
• https://towardsdatascience.com/a-tour-of-the-top-10-algorithms-for-machine-learning-newbies-dde4edffae11
• https://github.com/waldronlab/waldronlab.github.io

DS

• https://www.quora.com/What-algorithms-and-techniques-20-to-50-are-must-knows-for-a-junior-data-scientist
• http://www.datasciencemadesimple.com/

AB TESTING

• https://eu.udacity.com/course/ab-testing–ud257
• https://www.coursera.org/learn/real-life-data-science/lecture/LU8XW/a-b-testing

analyticsvidhya.com

• https://www.analyticsvidhya.com/blog/2017/09/common-machine-learning-algorithms/
• https://www.analyticsvidhya.com/blog/2016/04/complete-tutorial-tree-based-modeling-scratch-in-python/

PCA

• https://towardsdatascience.com/pca-using-python-scikit-learn-e653f8989e60

iris

• https://rstudio-pubs-static.s3.amazonaws.com/350823_01445440ccdd4f638f8a38ffb0519b7b.html
• https://github.com/lwaldron/RBootcamp2015/blob/master/session_two/iris.Rmd