To speak bluntly, when it comes to its visualization capabilities, Tableau, while it appears so promising, astonishingly lacks in its ability to integrate seamlessly with statistical, hypothesis-driven testing. You may be let down constantly if you feel the need to not only visualize but compare your set of observations between groups on hard statistical grounds. Hence, one must admit that there is still a strong value gap between visualization tools like Tableau, and pure statistical software such as Minitab, SPSS, SAS, and, of course, the humble yet tremendously powerful and open source workhorse, R. Tables and corresponding computations, at least at the time of writing this piece, are not able to support statistical testing, such as testing for normality, pairwise comparisons, accounting for interactions between variables, linear regression, logistics regression modeling, and, in general, statistical modeling capabilities. As of now, only basic statistical measures (central tendencies and measures of variation) can be computed. Here’s some example data I’ve been playing with: As I look at the above shipping costs, a question comes to mind: How do I form a hypothesis about whether shipping cost varies by sub-category or not? All I can get from Tableau is perhaps a box plot to visually compare costs. Is that enough? Of course not. What I would like to do is to find the average or mean shipping cost for each category or sub-category and then form a simple yes/no hypothesis. Sadly, Tablau falls silent on this question. Maybe we can try different types of charts or compare data visually/manually across or down a table. Typical Tableau users may find themselves constrained if they...
App Downloads and Revenue Again Broke Records in Q1 2018. These 3 Leading App Categories Have Created a Buzz in the Market App Downloads and Revenue Again Broke Records in Q1 2018. These 3 Leading App Categories Have Created a Buzz in the Market This post lies information for those startups who have made up their mind to develop an app. Check out this post to know which are those top categories, that are exceptionally doing good across the App stores. It is seeing a strong growth in app store download in the Apple App store and Google Play, which are both the major platforms to download any mobile app. Well, the year 2018 started with the strongest quarter that mobile app economy has ever seen! This is due to the fact that, according to the latest report from TechCrunch, “Global app store records again broke records in Q1 (first quarter) 2018”. Below, we’ve compiled data of Q1 2017 and Q1 2018, where you can check the growth of the worldwide gross consumer spend iOS and Google Play combined. Let’s check out what it is all about: Q1 2017 Vs. Q1 2018 If we compare the consumer spending on Apple App Store and Google Play, it grew by 22% year-over-year to reach $18.4 billion, which is a record number. This is what you can check in the below graph. The growth has risen up in the year 2018 as compared to the previous year i.e. 2017. Highlights From First Quarter (Q1) 2018 1. iOS Narrowed Download Gap With Google Play When it comes to app store download on Google...
BlackArch Linux is an Arch Linux-based distribution for penetration testers and security researchers. The repository contains 2336 tools. You can install tools individually or in groups. BlackArch Linux is compatible with existing Arch installs. ChangeLog The following list contains official BlackArch live and netinstall ISO images. You can burn these images to DVDs and flashdrives. The live ISO contains a complete, functional BlackArch Linux system. The netinstall ISO is a lightweight image for bootstrapping machines. If possible, please try to use a mirror near you to download the ISOs. You can find a list of mirrors below. Image Version Torrent Size SHA1sum BlackArch Linux 64 bit Live ISO 2019.09.01 Torrent 16 GB 1c63f42625a0c4c8ff0f9148f6f857c56a851a05 BlackArch Linux 64 bit Netinstall ISO 2019.09.01 Torrent 660 MB eb2a791348626e98db0da4ca8a289ef7a8e7d0b5 Do not use UNetBootIn to write ISO files to flashdrives. UNetBootIn modifies the bootloader configuration, which is bad. You can use this instead (where /dev/sdX is your flashdrive and file.iso is a BlackArch ISO): # Example Image writing$ sudo dd bs=512M if=file.iso of=/dev/sdX Default Login The default login for all ISOs and OVA is: root:blackarch Installing On Top Of ArchLinux BlackArch Linux is compatible with existing/normal Arch installations. It acts as an unofficial user repository. Below you will find instructions on how to install BlackArch in this manner. >>Run https://blackarch.org/strap.sh as root and follow the instructions.curl -O https://blackarch.org/strap.sh>>The SHA1 sum should match: 9f770789df3b7803105e5fbc19212889674cd503 strap.shsha1sum strap.sh>>Set execute bitchmod +x strap.sh>>Run strap.shsudo ./strap.sh You may now install tools from the blackarch repository. >>To list all of the available tools, runsudo pacman -Sgg | grep blackarch | cut -d’ ‘ -f2 | sort -u >> To install all of the tools, runsudo pacman -S...
I’m not gonna lie to you, to become a good web developer isn’t easy. Knowing a little bit of HTML, Javascript and CSS isn’t enough. I’m writing this for those of you who want to learn how to become a web developer that can hold his own with the best in the world. While it might take some time it is possible to teach yourself everything you need to know. If you put in the effort and focus on the right things you will get there. So lets get into it. Part 1, building a foundation. In the first part of this series of posts we will look at the foundations of the web and focus on the core technologies and concepts anybody who wants to become a web developer should know. Even if you are an experienced developer it’s worth spending a little bit of time going back to basics and making sure you have a rock solid foundation. If you know and understand all these concepts you should be able to build any static website. Later on we will look at web frameworks, server side programming, data visualisation and more. For now we are focusing on the basics. HTTP – The transport layer Every single thing you do on the web is built on top of HTTP, serving web pages, REST API’s, webservices. All of these technologies use HTTP as their transport protocol. When learning HTTP make sure you understand: How the request response model works. Headers and what they are used for. The stateless nature of the web. Cookies and their purpose. The main HTTP verbs and...
How Fever, an Event Discovery App, Has Raised $20M in Series C Funding With These 5 Exclusive Features How Fever, an Event Discovery App, Has Raised $20M in Series C Funding With These 5 Exclusive Features This story includes information for startups and entrepreneurs. The crux of this story is the vital features by Fever (a successful event discovery app), which you can consider during event mobile app development. The event industry is thriving globally. However, there is no room of doubt that we also can’t underestimate the power of “live events”. In 2017, the number of mobile event apps has been grown-up by 20% year-over-year. Now, let’s first define what do we mean about the ‘event app’? Stating The Event App An event app is a mobile app that allows users or attendees to know the latest updates about the different events in their cities. Additionally, the core purpose of an event mobile app is to enhance the event through more intuitive, collaborative, plus it provides the user with digitally friendly experience. However, it can be achieved through core features which we’ll explain in the next section here. Image Source: technode Fever: An Event Discovery App The 2014-funded startup Fever, an event discovery and booking app, was founded by Pep Gomez. It was first launched in Europe, and now also available in the United States. According to the latest report from TechCrunch, “The event discovery app, Fever, has raised $20 million in Series C funding led by European media group Atresmedia and real estate company Labtech.” Furthermore, Fever app provides a curated and customized list of local events...
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