Nora Choi's Blog (14)

80 Best Data Science Books That Are Worthy Reading

Data science is probably the most popular concept nowadays. I believe that many people are looking for an entrance to get inside the industry, and I just happened to read an article that lists some great data science books that may be helpful for you. So I concluded it in this article and I’ve also given the books brief introductions, so you can choose the ones you’d like to read. Some of the data science books you can find it online, and I've given out the links. But most of them I…


Added by Nora Choi on January 29, 2018 at 12:51 — No Comments

A Free and Easy Way to Improve Google Ranking

SEO (Search Engine Optimization) is the process of affecting the visibility of a website or a web page in a web search engine's unpaid results. Millions of bloggers and businesses compete wildly for the chance of a first-page result for keywords relevant to their website, or at least they want to rank in the charts as higher as possible so that they could get more organic traffic.


A study by Infront Webworks showed that the first page of Google…


Added by Nora Choi on November 21, 2017 at 20:26 — No Comments

Big Data: 50 Fascinating and Free Data Sources for Data Visualization

Have you ever felt frustrated when try to look for some data on Google? Pages of relevant websites but none can fulfill your expectation? Have you ever felt that your articles are less persuasive without data support?

Let’s put this article on your favorite list, the most comprehensive guide of data sources, including General Data, …


Added by Nora Choi on October 31, 2017 at 12:55 — No Comments

7 Must See TED Talks on Big Data

TED (Technology, Entertainment, Design) is a nonprofit global community that has been committed to the spread of creative ideas in the form of short but powerful talks since 1984. The talks cover all kinds of topics from science to business to global issues in more than 100 languages as TED welcomes people from every discipline and culture.

TED site rolls out videos all the time and there are more than 2500 videos now. If you are pressed for time, here are 7 must see TED talks about…


Added by Nora Choi on October 25, 2017 at 20:52 — No Comments

Web Scraping Service vs. Automatic Web Scraper: Which is the best option for web scraping?


What is web scraping?

Web scraping aka. web extraction or web crawling refers to the process of obtaining various unstructured information from any websites and turn it into structured, clean data such as xls, csv, or txt or populate the captured data to a database directly. Some common uses of web scraping include lead generation, data collection for academic researches, price monitoring from…


Added by Nora Choi on September 1, 2017 at 18:40 — No Comments

Top 30 Big Data Tools for Data Analysis

There are thousands of big data tools out there for data analysis today. Data analysis is the process of inspecting, cleaning, transforming, and modeling data with the goal of discovering useful information, suggesting conclusions, and supporting decision making. To save your time, in this post, I will list out 30 top big data tools for data analysis in the areas ofopen source data…


Added by Nora Choi on August 28, 2017 at 13:42 — No Comments

8 Marketing Tools Proven to Grow Your Business in 2017

There are over 2.8 billion social media users till 2017, reported by an analysis report from We Are Social and GWI. With a number like this, we can see an ever fast growing user group in the digital marketing.

Now, thanks to the social media marketing tools, enterprises are able to target these prospective customers much faster from so many social media users, and thus reducing the cost. Here, I will put a list of 8 top marketing tools to help you with your digital…


Added by Nora Choi on July 11, 2017 at 13:09 — No Comments

3 Typical Ways to Use Web Scraping Tools for Marketing Decision


Web scraping, also known as web crawling, (web) data extraction, data mining, screen scraping, is the process of collecting large amounts of data from the web, then save to a file, database, etc. Let’s dig deeper into web scraping.


It’s estimated that the…


Added by Nora Choi on May 15, 2017 at 19:13 — No Comments

Get to Know Your Users Through Data Analysis

Users may exhibit different behaviors and show their preference towards videos of various types on a social media platform. For a media platform, these data coming from users proves very important to make a more comprehensive assessment. Thus, it’s important for a media platform to dig into what are sought after by its users and how to get more insights from these users to offer more pleasant service and generate more sales leads.…


Added by Nora Choi on May 9, 2017 at 19:06 — No Comments

Top 20 Web Crawler Tools to Scrape Websites

Web crawling (also known as web scraping) is widely applied in many areas today. It targets at fetching new or updated data from any websites and store the data for an easy access. Web crawler tools are getting well known to the common, since the web crawler has simplified and automated the entire crawling process to make web data resource become easily accessible to everyone. Using a web crawler tool will set free people from repetitive typing or copy-pasting, and we could expect a…


Added by Nora Choi on April 26, 2017 at 20:30 — No Comments

5 Essential Data Mining Skills for Recruiters

Job sites are really popular today for anyone to find the right job or for any firm to hire the perfect candidates. These sites, however, also house large quantities of aggregated data which provides good insights for job trends, salary levels, competitors‘ info and many others. While these job sites are overwhelmed with massive volume of data, recruiters should know how to leverage and make full use of them while they are still fresh on the web.…


Added by Nora Choi on April 19, 2017 at 21:31 — No Comments

Website Crawler & Sentiment Analysis



To start with Sentiment Analysis, what comes first to our mind is where and how we can crawl oceans of data for our analysis. Normally, web crawler or crawling from web social media should be one reasonable way to get access to the public opinion data resource. Thus, in this writing, I want to share with you about how I crawled the website using web crawler and proceeded to deal with those data for…


Added by Nora Choi on March 1, 2017 at 16:23 — No Comments

9 FREE Web Scrapers That You Cannot Miss


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I want to share with you in this post some best free web scrapers for non-programmers who want to gain insight from large data-set online at low…


Added by Nora Choi on January 19, 2017 at 22:55 — No Comments

5 Steps to Collect Big Data


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We know most companies today collect big data to analyze and interpretate of daily transaction and traffic data for keeping track of the operations, forecasting needs or implementing new programs. It is in this way that we define big data as the capability allowing companies to extract value from large volumes of different kinds of data. But how to collect such capability of big data we want directly?

There may be…


Added by Nora Choi on December 22, 2016 at 19:40 — No Comments

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