O Jerusalem!! #JerusalemEmbassy Hashtag on December 6, 2017

Today December 6, 2017, President of the USA (POTUS), Mr Donald J Trump declared Jerusalem to be the capital of Israel (will he also make Penang the capital of Malaysia?) and declared that the US Embassy in Israel will now shift to Jerusalem. Czech Republic and Philippines have also followed suit. This has led to…

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Data Mining of Tweets Using R

Data mining of Twitter or Twitter mining is extensively used for harvesting tweets. These tweets in turn are used to do sentiment analysis and natural language processing. However, first we have to create a Twitter app which will act as a gateway for all of these tweets. This Youtube lecture describes the best way of…

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Association Mining in R: Apriori Algorithm With Real Data

Apriori algorithm is commonly and widely used for association mining. Association rules analysis is a technique to uncover how items are associated to each other. Apriori algorithm is a classical algorithm in association mining. It is used for mining frequent itemsets and relevant association rules. It is devised to operate on a database containing a…

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Using R for Working with Remote Sensing Data- Atmospheric Correction of Landsat TM Data

Landsat satellites were launched by the United States Geological Survey (USGS) in the 1970s. They are the oldest continuous record of earth observation (EO) data and are optical data. These data are termed optical because they obtain data by recording this reflected energy across various wavelengths, including visible light and invisible infrared bands. Landsat too…

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Sentiment Analysis of Tweets Relating to India’s Demonetization Policy

In 2016, the Government of India launched a demonetization policy which took 85% of Indian rupees out of circulation. The move was designed as a means of cracking down on “black money” and took everyone by surprise (to put it mildly). In the days that followed Indians took to Twitter en-masse to express their feelings.…

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Ordinary Least Square (OLS) Regression in Python

OLS regression is one of the most common types of statistical regression modelling techniques out there. This pots will teach you how to implement OLS Regression in Python. The code has been implemented in the Jupyter Notebook

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R or Python? And the Winner Is…

In the world of data science, the argument between the weapon of choice- R or Python takes on the intensity of the Budget debates of the British House of Commons. And it seems the jury is out………….. Firstly neither R nor Python are any subsitute for domain knowledge and conceptual soundness. So clearly it is…

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