1603220400

# Writing Your First Classifier in ML

In this episode we’re going to start getting deeper into the matter, we’ll write our own classifier from scratch. In machine learning, this is a big milestone, if you can follow along and do this on your own, it means you can understand an important piece of the puzzle. The classifier we’re going to write is a scrappy version of k-Nearest Neighbors.

### So, What is K Nearest Neighbors(KNN)?

K nearest neighbors is a simple algorithm that stores all available cases and classifies new cases based on a similarity measure (e.g., distance functions). A case is classified by a majority vote of its neighbors, with the case being assigned to the class most common amongst its K nearest neighbors measured by a distance function. If K = 1, then the case is simply assigned to the class of its nearest neighbor.

### K! What does it stand for?

K in KNN is a parameter that refers to the **number of nearest neighbors to include in the majority of the voting process. K **is based on feature similarity, choosing the right value of K is a process called parameter tuning and is important for better accuracy. Finding the value of k is not a simple task. And here’re few ideas on how to pick a value of K:

1. We need to find out with various values by trial and error, assuming that training data is unknown;Smaller values for K can be noisy and will have a higher influence on the result;Larger values of K will have smoother decision boundaries which mean lower variance but increased bias. Also, computationally intensive;In general, practice, choosing the value of **K **is **K = **sqrt(N) where N stands for the number of samples in your training dataset.

For more details on how KNN works please refer to this article.As in this post, we’re concerned about writing a classifier.We’ll again work with the iris dataset from episode #2, although using a different approach this time, with the help of the train_test_split function, one of the functions inside the model_selectionmodule from scikit_learn. This function will help us to split arrays or matrices into a random train and test subsets.

#artificial-intelligence #python #machine-learning #programming #data-science

1598740560

## What You Can Learn about Setting from Classic Sitcoms

Giving your novel a strong sense of place is vital to doing your part to engage the readers without confusing or frustrating them. Setting is a big part of this (though not the whole enchilada — there is also social context and historic period), and I often find writing students and consulting clients erring on one of two extremes.

**Either: **Every scene is set in a different, elaborately-described place from the last. This leads to confusion (and possibly exhaustion and impatience) for the reader, because they have no sense of what they need to actually pay attention to for later and what’s just…there. Are the details of that forest in chapter 2 important? Will I ever be back in this castle again? Is there a reason for this character to be in this particular room versus the one she was in the last time I saw her? Who knows!

Or: There are few or no clues at all as to where the characters are in a scene. What’s in the room? Are they even in a room? Are there other people in th — ope, yes, there are, someone just materialized, what is happening? This all leads to the dreaded “brains in jars” syndrome. That is, characters are only their thoughts and words, with no grounding in the space-time continuum. No one seems to be in a place, in a body, at a time of day.

Everything aspect of writing a novel comes with its difficulties, and there are a lot of moving pieces to manage and deploy in the right balance. When you’re a newer writer, especially, there’s something to be said for keeping things simple until you have a handle on how to manage the arc and scope of a novel-length work. And whether you tend to overdo settings or underdo them, you can learn something from TV, especially classic sitcoms.

Your basic “live studio audience” sitcoms are performed and filmed on sets built inside studios vs. on location. This helps keep production expenses in check and helps the viewer feel at home — there’s a reliable and familiar container to hold the story of any given episode. The writers on the show don’t have to reinvent the wheel with every script.

Often, a show will have no more than two or three basic sets that are used episode to episode, and then a few other easily-understood sets (characters’ workplaces, restaurants, streets scenes) are also used regularly but not every episode.

#creative-writing #writing-exercise #writing-craft #writing #writing-tips #machine learning

1607333509

## Write My Paper for Me Online: Can You Do My Research Paper USA? TheWritingPlanet.com

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1599921480

## API-First, Mobile-First, Design-First... How Do I Know Where to Start?

##### Dear Frustrated,

I understand your frustration and I have some good news and bad news.

##### Bad News First (First joke!)
• Stick around another 5-10 years and there will be plenty more firsts to add to your collection!
• Definitions of these Firsts can vary from expert to expert.
• You cannot just pick a single first and run with it. No first is an island. You will probably end up using a lot of these…

### Good News

While there are a lot of different “first” methodologies out there, some are very similar and have just matured just as our technology stack has.

Here is the first stack I recommend looking at when you are starting a new project:

#### 1. Design-First (Big Picture)

Know the high-level, big-picture view of what you are building. Define the problem you are solving and the requirements to solve it. Are you going to need a Mobile app? Website? Something else?

Have the foresight to realize that whatever you think you will need, it will change in the future. I am not saying design for every possible outcome but use wisdom and listen to your experts.

#### 2. API First

API First means you think of APIs as being in the center of your little universe. APIs run the world and they are the core to every (well, almost every) technical product you put on a user’s phone, computer, watch, tv, etc. If you break this first, you will find yourself in a world of hurt.

Part of this `First` is the knowledge that you better focus on your API first, before you start looking at your web page, mobile app, etc. If you try to build your mobile app first and then go back and try to create an API that matches the particular needs of that one app, the above world of hurt applies.

Not only this but having a working API will make design/implementation of your mobile app or website MUCH easier!

Another important point to remember. There will most likely be another client that needs what this API is handing out so take that into consideration as well.

#### 3. API Design First and Code-First

I’ve grouped these next two together. Now I know I am going to take a lot of flak for this but hear me out.

##### Code-First

I agree that you should always design your API first and not just dig into building it, However, code is a legitimate design tool, in the right hands. Not everyone wants to use some WYSIWYG tool that may or may not take add eons to your learning curve and timetable. Good Architects (and I mean GOOD!) can design out an API in a fraction of the time it takes to use some API design tools. I am NOT saying everyone should do this but don’t rule out Code-First because it has the word “Code” in it.

You have to know where to stop though.

Designing your API with code means you are doing design-only. You still have to work with the technical and non-technical members of your team to ensure that your API solves your business problem and is the best solution. If you can’t translate your code-design into some visual format that everyone can see and understand, DON’T use code.

#devops #integration #code first #design first #api first #api

1595547778

## 10 Writing steps to create a good project brief - Mobile app development

Developing a mobile application can often be more challenging than it seems at first glance. Whether you’re a developer, UI designer, project lead or CEO of a mobile-based startup, writing good project briefs prior to development is pivotal. According to Tech Jury, 87% of smartphone users spend time exclusively on mobile apps, with 18-24-year-olds spending 66% of total digital time on mobile apps. Of that, 89% of the time is spent on just 18 apps depending on individual users’ preferences, making proper app planning crucial for success.

Today’s audiences know what they want and don’t want in their mobile apps, encouraging teams to carefully write their project plans before they approach development. But how do you properly write a mobile app development brief without sacrificing your vision and staying within the initial budget? Why should you do so in the first place? Let’s discuss that and more in greater detail.

## Why a Good Mobile App Project Brief Matters?

It’s worth discussing the significance of mobile app project briefs before we tackle the writing process itself. In practice, a project brief is used as a reference tool for developers to remain focused on the client’s deliverables. Approaching the development process without written and approved documentation can lead to drastic, last-minute changes, misunderstanding, as well as a loss of resources and brand reputation.

For example, developing a mobile app that filters restaurants based on food type, such as Happy Cow, means that developers should stay focused on it. Knowing that such and such features, UI elements, and API are necessary will help team members collaborate better in order to meet certain expectations. Whether you develop an app under your brand’s banner or outsource coding and design services to would-be clients, briefs can provide you with several benefits:

• Clarity on what your mobile app project “is” and “isn’t” early in development
• Point of reference for developers, project leads, and clients throughout the cycle
• Smart allocation of available time and resources based on objective development criteria
• Streamlined project data storage for further app updates and iterations

## Writing Steps to Create a Good Mobile App Project Brief

### 1. Establish the “You” Behind the App

Depending on how “open” your project is to the public, you will want to write a detailed section about who the developers are. Elements such as company name, address, project lead, project title, as well as contact information, should be included in this introductory segment. Regardless of whether you build an in-house app or outsource developers to a client, this section is used for easy document storage and access.

#android app #ios app #minimum viable product (mvp) #mobile app development #web development #how do you write a project design #how to write a brief #how to write a project summary #how to write project summary #program brief example #project brief #project brief example #project brief template #project proposal brief #simple project brief template

1625307715

## Ways To Write A Good Dissertation

A dissertation is a research project undertaken as part of an undergraduate, postgraduate, or doctoral degree. The meaning of a professional dissertation is a research project that is original and well-documented undertaken in a study program. Therefore, a professional dissertation is also known as a thesis.

A dissertation is the most challenging part of student life, and it is rightly said that students writing a dissertation often have to live for the most amount of their days in libraries. It is natural for students to feel exhausted and want professional dissertation writing help through different channels.

How to Write a Good Dissertation?

A dissertation is essential as it allows the students to become the producers of knowledge rather than simply consuming it. The following are the ways on how to write a good dissertation:

1. Choose a topic: The topic is the first and most crucial component of writing a dissertation. You should carefully study various topics, analyze the literature on them, discuss them with your peers, potential supervisors and ponder over them at length before finalising any topic. A topic that is both interesting and feasible should be finally selected for the dissertation.
2. Define the title: A title that is specific and realistic should be chosen. The title should provide an overview of the whole dissertation by reading the title whether they want to read the entire paper.
3. Write a Dissertation Proposal: After finalizing the dissertation topic and title, the next step involves writing the dissertation proposal which is thoughtful and robust and makes a strong case for the dissertation topic and yourself.
4. Meeting with supervisor: Discuss your dissertation topic, methodology, and literature with your supervisor at length and note down the insights provided by them. An opportunity to connect with the supervisor personally is a huge benefit of doing a dissertation.
5. Plan and initiate data collection: You can either conduct primary research or secondary research, but whatever you choose, you should plan your data collection properly and collect it very systematically and carefully to avoid any pitfalls here.
6. Create a routine: Creating a routine and sticking to it regularly, completing minor goals within specific time frames, can allow you to regularly work on your dissertation without becoming a significant source of stress and enabling you to complete your dissertation on time.
7. Get feedback: Receiving regular feedback from your supervisor, other professors, and peers on your progress is a vital step to make sure that your dissertation is of high quality.
8. Analyse data: Analyse the data carefully and take help from your supervisor in doing so. Analysis of the data is a very complicated yet the most important process in a dissertation.
9. Draft and proofread: Complete writing your dissertation and keep proofreading it. Receive feedback from others and keep redrafting your dissertation until you reach the final level where there is minimal scope for improvement and you as well as your supervisor are satisfied with your dissertation.

Thus are a few tips on how to write a good dissertation. Many students doing their dissertation are often exhausted and face troubles relating to their dissertation and deadlines. Various services offer dissertation writing help in Australia. Proper analysis of such services should be done and only the best assignment help should be selected.
Dissertation

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