Blog Archives

R Weekly Bulletin Vol – VI

April 29, 2017
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R Weekly Bulletin Vol – VI

This week’s R bulletin will cover topics like how to parse milliseconds in R, how to format dates and method to extract specific parts of date and time. Hope you like this R weekly bulletin. Enjoy reading! Shortcut Keys 1. Indent – hit Tab button at beginning of the line 2. Outdent – Shift+Tab 3. Go... The post R...

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Overcome the Fear of Programming

April 27, 2017
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Overcome the Fear of Programming

By Milind Paradkar You say you never programmed in life before? Never heard of words like Classes and Objects, Dataframe, Methods, Inheritance, Loops? Are you fearful of programming, huh? Don’t be! Programming can be fun, stimulating, and once you start and learn to program many of you would love spending hours programming different strategies; you would... The post Overcome...

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R Weekly Bulletin Vol – V

April 21, 2017
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R Weekly Bulletin Vol – V

This week’s R bulletin will cover topics like how to avoid for-loops, add or shorten an existing vector, and play a beep sound in R. We will also cover functions like env.new function, readSeries, and the with and within functions. Hope you like this R weekly bulletin. Enjoy reading! Shortcut Keys 1. To stop debugging... The post R...

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R Weekly Bulletin Vol – IV

April 15, 2017
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R Weekly Bulletin Vol – IV

This week’s R bulletin will cover topics like removing duplicate rows, finding row number, sorting a data frame in the same order, sorting a data frame in different order, and creating two tabs in an excel workbook. We will also cover functions like Sys.time, julian, and the second & minute function from the lubridate package. Hope... The post R...

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R Best Practices: R you writing the R way!

April 13, 2017
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R Best Practices: R you writing the R way!

By Milind Paradkar Any programmer inevitably writes tons of codes in his daily work. However, not all programmers inculcate the habit of writing clean codes which can be easily be understood by others. One of the reasons can be the lack of awareness among programmers of the best practices followed in writing a program. This... The post R...

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R Weekly Bulletin Vol – III

April 7, 2017
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R Weekly Bulletin Vol – III

This week’s R bulletin will cover topics like how to read select columns, the difference between boolean operators, converting a factor to a numeric and changing memory available to R. We will also cover functions like data, format, tolower, toupper, and strsplit function. Hope you like this R weekly bulletin. Enjoy reading! Shortcut Keys 1. To change the working directory... The post R...

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Forecasting Markets using eXtreme Gradient Boosting (XGBoost)

April 5, 2017
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Forecasting Markets using eXtreme Gradient Boosting (XGBoost)

By Milind Paradkar In recent years, machine learning has been generating a lot of curiosity for its profitable application to trading. Numerous machine learning models like Linear/Logistic regression, Support Vector Machines, Neural Networks, Tree-based models etc. are being tried and applied in an attempt to analyze and forecast the markets. Researchers have found that some... The post Forecasting...

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R Weekly Bulletin Vol – II

March 30, 2017
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R Weekly Bulletin Vol – II

This week’s R bulletin will cover functions calls, sorting data frame, creating time series object, and functions like is.na, na.omit, paste, help, rep, and seq function. Hope you like this R weekly bulletin. Enjoy reading! Shortcut Keys 1. To show files – Ctrl+5 2. To show plots – Ctrl+6 3. To show packages – Ctrl+7 Problem Solving Ideas... The post R...

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R Weekly Bulletin Vol – I

March 24, 2017
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R Weekly Bulletin Vol – I

We are starting with R weekly bulletins which will contain some interesting ways and methods to write codes in R and solve bugging problems. We will also cover R functions and shortcut keys for beginners. We understand that there can be more than one way of writing a code in R, and the solutions listed... The post R...

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Forecasting Stock Returns using ARIMA model

March 9, 2017
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Forecasting Stock Returns using ARIMA model

By Milind Paradkar “Prediction is very difficult, especially about the future”. Many of you must have come across this famous quote by Neils Bohr, a Danish physicist. Prediction is the theme of this blog post. In this post, we will cover the popular ARIMA forecasting model to predict returns on a stock and demonstrate a step-by-step process of... The post Forecasting...

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