In the current dataset, we have done label encoding for categorical features. The problem statement specifies the particular issue/ problem. The distribution of numerical features can be checked using a histogram plot while the distribution on categorical features can be checked using a bar plot or box plot. Well, the beauty of an event like hackathon events is that you meet a lot of like-minded people. 6. The base level models are trained based on a complete training set, then the meta-model is trained on the outputs of the base level models as input features. Real life problems are hard! In the drop_duplicates command above, keep='first' option allows us to keep the first occurrence of the row values while removing all the subsequent occurrences. As we can see the duration column has the highest importance while source city from which flight originated has the lowest feature importance. Take a look, #remove duplicate rows in training dataset, How to Extract the Text from PDFs Using Python and the Google Cloud Vision API, From text to knowledge. First Live Stream. A value of 0.3 i.e 30% splits the data into a 70:30 ratio of training and test data. Here inplace parameter is used to do the operation implicitly i.e. 7) Check distribution of target variable:-. KONE, one of the largest elevator manufacturers in the world, wanted to capitalize on the growing $125 billion modern elevator market. For example, categorical predictors include gender, material type, and payment method. Please scroll down to find the problem statements below and submit your solutions for the same. He does a brilliant job of explaining the problem, the necessity for a solution, and the gap between the current state and the desired outcome. Come up with more product ideas made of sustainable and renewable resources to educate and inspire young kids. GE: Develop a contextual learning protocol that will allow the care-providers to learn from the patients they treat. Problem Statement. apply the operation directly to the specified dataframe. Techbharat Hackathon On popular demand the last date for submission of Solutions/ Ideas has been extended to 28th January 2021! 5. Sr No. If you are preparing for an upcoming hackathon, you don’t have a lot of time to debate on this, and trust me it ends up helping more than restricting you in many ways. Although anyone can submit ideas, the company has well-defined eligibility and evaluation criteria. Affiliation: World of witchcraft & wizardry, Hackathons Real time tracking system of bus using SMS/on map . In the case of numerical features, we can perform different types of scaling like MinMax, StandardScaler or BoxCox tranformation. Problem ID Problem statement Type of Industry Relevant Discipline Action ; 1: GIH001: Application of GIS for various segments of power industry like Selection of most appropriate site for setting up power plant, Power supply & demand market, coal logistics, asset management in transmission & … evenly distributed. Unavailability of qualified and experienced healthcare providers in rural areas and new graduates with very little experience in Primary Healthcare Centers (PHCs) in India. Before you get gung-ho about the hackathon, be it online or onsite, you need to have clearly defined goals in place if it is a themed hackathon. But this is where StackOverflow came to the rescue. Competition - Problem will be an industry problem or will come directly from a mining company. hbspt.forms.create({ The hackathon provided the developers with a number of problem statements allowing participants free reign to innovatively solve these complex challenges. The problem statement has to be specific and provide as much context as possible. Problem Statement. 00103D ITECH1101 Hackathon Assignment Specification 1817 Page 1 of 10 Hackathon Assignment Specification Overview This assignment requires you to identify a challenging problem and attempt to solve it using a robot. Smart India Hackathon (SIH) 2020 is a national initiative launched by AICTE and MHRD aimed at providing students with a platform to solve some of the pressing problems we face in our daily lives, and to inculcate a culture of product innovation and problem-solving mentality. Categorical variables contain a finite number of categories or distinct groups. Here are a few a questions that can help you decide the theme: KONE, one of the largest elevator manufacturers in the world, wanted to capitalize on the growing $125 billion modern elevator market. So, register as a solo participant and once there, join an amazing team that is working on a project you are interested in. : By providing contextual training to the doctors at Primary Healthcare Centres. Hackathons are a valuable networking resource, but most attempt to solve a … Here is a brilliant example from the invention platform. Case in point: Juicero, a $400 wifi-enabled, over-engineered, pointless machine for fresh juices. I am trying to solve this problem from Quora Hackathon but not able to come up with a idea .. how to appraoch it ? The lam variable specifies the type of transformation to be applied:-. “We thought about how we can use this hackathon as a springboard for innovative digital solutions that will have a real impact on local government. Hope you got at least a bit of a grasp on how to approach a supervised machine learning problem after finishing all the steps above. Ideas based on third-party licenses already being produced by Lego are not allowed. Whether you are conducting an idea challenge, an internal hackathon (hackathon for your employees) or a full-fledged innovation campaign, the problem statement is key in determining the success. First step in solving any machine learning problem is to identify the source variables (independent variables) and the target variable (dependent variable). Don’t expect to have actually solved a problem by the end of the hackathon. You can find histograms of numerical features in the jupyter notebook and make necessary transformations if required. It also restricted the following to ensure submissions are feasible and meet the expected standard. A panel of judges selected a winner based on the solution and the process of arriving at the solution. The first step is to split input variables into categorical and numerical variables. Problem Statement Hackathons are a reservoir of innovation and only a good problem statement can produce the desired result. Hackathons are a good way to learn and implement new concepts in a short span of time. Students learn problem-solving skills in Hackathon from Alabama NewsCenter on Vimeo. Can any one help .. Just for the convenience i have copied the problem statement here otherwise you can use this link . Here is a brilliant example from the invention platform, Quirky. Here is a good example, in his recent blog, Richard Branson talks about the global cooling prize that aims to develop a climate friendly residential cooling solution. Today we are going to cover basic steps in machine learning and how to get a good accuracy for a regression problem while trying to achieve a decent rank using a dataset from MachineHack Hackathon. Let’s recap before I share some examples of problem statements I’ve helped craft and their hackathon solutions: Focus on the actual problem (as a woman of many tangents, I can attest to how important it is to stay aligned.) Total_Stops: Total stops between the source and destination. The first phase in any hackathon is a discovery phase, where the objective is to develop a problem statement. In the last step I combined above three models using the stacking technique to improve overall accuracy:-. Hyperparameter tuning is the process of choosing a set of optimal hyperparameters for a learning algorithm. I have also performed similar steps on Arrival_Time column which you can follow up in the notebook. Be welcoming to newcomers to the community. You should be open to discuss your problem with the hackers and allow them to give you feedback that could potentially re-define the problem statement. No wonder the project was scrapped. Similar steps were followed for Additional_Info column:-. The best challenge statements meet a real need, compel developers to take action, and inspire a creative solution that could not otherwise be developed. You can read further about the code from the below links since this will help you in, a)Understanding various ways in which same task can be achieved in python, b)Just in case tomorrow this code snippet becomes redundant or doesn’t work for you guess which site is going to help you in finding the solution , 2) Check if a day falls on a weekend in pandas, 3) Get year, month and day from a datetime variable in pandas, We then convert the duration column values into minutes:-, If you take a look at Duration column the format of values is like 2h 50m with some rows containing only hour values while some only minutes(Like how could someone enjoy a flight which ends in less than an hour but that’s a discussion for some other day). Focus on problem solving rather than learning a … Commercial LED lighting has achieved nearly 70 percent of maximum theoretical efficiency. I went back into categorical features and clubbed together last four airline categories later. that aims to develop a climate friendly residential cooling solution. 5 Lessons From Running 200 Remote Hackathons, Inside Tips on how to ace coding interviews in top companies, The most popular data structures for coding interviews, HACKATHONS IN ARTIFICIAL INTELLIGENCE (AI). P.S. Provide a space and a time for participants to make headway on problems they are interested in. The problem statement has to be specific and provide as much context as possible. It can make or break the entire project. As our planet warms, we need it more than ever to keep our people cool. It’s not uncommon for us to spend 25% on the discovery phase – it’s that important to the final outcome. GE: By providing contextual training to the doctors at Primary Healthcare Centres. This stirs curiosity and anticipation among your readers. Today we are going to cover basic steps in machine learning and how to get a good accuracy for a regression problem while trying to achieve a decent rank using a dataset from MachineHack Hackathon. A hackathon is an event which has become synonymous with software and hardware development teams collaborating and coming together to create something new, or to solve a particular problem … Survey 6 minutes of your time could help thousands of Recruiters and Hiring Managers. The basic steps in any solving any machine learning problem are:- IKEA has launched new kid’s collections, DJUNGELSKOG & URSKOG. He does a brilliant job of explaining the problem, the necessity for a solution, and the gap between the current state and the desired outcome. Can any one help .. Just for the convenience i have copied the problem statement here otherwise you can use this link . This is one of the risks involved in taking an open approach like the Hackathon. We should check the distribution of the target variable in a regression problem using distribution plot. After trying different kinds of regression models I found ExtraTrees, RandomForest, and XGboost gave slightly better accuracy than other models so it was time to perform hyperparameter tuning on all 3 of them to improve accuracy further. A similar approach can be applied for ExtraTrees and XGBoost Regressor Models. Think of the hackathon as a pit-stop on a long journey to solve problems or as a training session to prepare yourselves for solving problems. I tried running the model on selected features according to above feature importances but accuracy reduced slightly which might be great if we were deploying the model in real-world scenario since the model is now a bit more robust but for a hackathon, accuracy matters the most so I ended up keeping all the features in the end. Although GridSearchCV is exhaustive, RandomisedSearchCV is helpful to get a range of relevant values quickly. The theme for this hackathon is Automation For Good.We want to see a positive impact come from this healthcare hackathon. and the company has clearly outlined the status quo, limitations, and some inspirational ideas to get started with. But bear in mind that this company raised $120 million in funding from multiple venture capital firms including Google Ventures. Interview tips. Dep_Time: The time when the journey starts from the source. Discuss the Problem Statement, Data Dictionary & … Identifying target and independent features. We can make the split using df.select_dtypes() method:-. Rules or the eligibility criteria are the constraints laid out by organizers to keep the scope of innovation focused on business, minimize irrelevant ideas, and maintain the standard of submissions. Sr No. Next, we should check if our dataset has any duplicates rows and drop them:-. And last but not the least happy coding , Hands-on real-world examples, research, tutorials, and cutting-edge techniques delivered Monday to Thursday. Understand the problem statement pretty well before starting Hackathon – IoT Hardware Problem statements: • “Develop an IoT enabled Android application to give real-time parking space available on the campus.” The application would ensure optimum use of resources, it would help save time and also be far more efficient than the traditional way of finding the parking slots on the streets. If you observe the steps taken in the Data cleaning section of the notebook we have merged repeating values in Additional_Info column and renamed values in Total_Stops column. Here is a mock theme and problem statement. P.S. What are the emerging trends you would like to capitalize on? I tried variations of standard scaling, min-max scaling and boxcox transformation for numerical ones. We have been provided the following information about the dataset on the official website:-. Once we are done with above transformations we join the categorical and numerical features back to get a set of transformed input variables. Explanation about box-cox transformation can be found here. Independent variables (also referred to as Features) are the input for a process that is being analyzed. Better for hackathons to keep their aims narrow. The above vector Designed by Freepik . Here we can see that price column is the target variable and since it has continuous values i.e. We can either select features manually from the graphs generated above or we can use SelectFromModel module from sklearn to select the most appropriate features automatically. In the case of the RandomForest algorithm, the following article from towards data science helps us to understand how to do hyperparameter tuning properly:- Article Link. A problem statement is more than a medical statement because you need to work your mind to come up with a very important question or topic. The company identified. Now one thing we need to keep in mind is whichever transformations we are going to apply on Data_Train data-set features the same would need to be applied on Test_set data-set so that the model gets a similar type of inputs from both of them. Smart Gujarat for New India Hackathon 2019-20. Here is a good example, in his recent. Strengthen the community that the hackathon is for. This context will provide the foundation for the participants to build on. The Problem Statement: Develop a contextual learning protocol that will allow the care providers to learn from the patients they treat. What is the major technology that could impact your business in the next 5 years? “Expecting to solve anything beyond the surface level—that’s a pipe dream,” said Beh. In machine learning, a hyperparameter is a parameter whose value is set before the learning process begins. Prachi Kushwah Microsoft. The problem statement stage is the first and most important step of solving an analytics problem. No matter how big you are, it is easy to overlook the two most basic questions, The role of a problem statement is to clearly indicate the current state of issue, the desired outcome, and the existing gap. The parcel service is for products that fit the criteria of 14kg with a maximum size of 1.2m x 80cm x 60cm. An optimist with a love for business, the outdoors, and movies. For an idea to be selected, it should garner a total of 10,000 votes; 1,000 votes in the first six months, 5,000  in the next, and reach 10,000 in the next six months. Additional_Info: Additional information about the flight. You can learn more about how to implement stacking here. So in the above code, the initial for loops separate the hours and minutes parts while the second for loop is used to convert the duration into minutes. Don’t expect to actually solve a problem by the end of the hackathon. You can now also remove unnecessary columns simply by taking a look at dataset at this step only. However, the context provided is based on real press releases that outline the vision, strategy, and business objectives mentioned by IKEA, Australia. Stacking is an ensemble learning technique in which we can combine multiple regression models via a meta-classifier or a meta-regressor. Hackathons are a good way to learn and implement new concepts in a short span of time. Since we have only one null value in our dataset I am simply removing it, as making efforts to impute a single value does not seem like a good option. This may involve structured, time-bound problem solving, be built on concepts like design thinking or agile, or may be more free form. We then define RandomForestRegressor model and apply it on the training sample(X_train, y_train). t, said that the collections were designed to drive conversation around the importance of protecting our wildlife, particularly endangered species. The cost for the parcel service, small IKEA items, is $9. FEATURES:Airline: The name of the airline. This context will provide the foundation for the participants to build on. Today I will be sharing with you Simple Hackathon Ideas 2021 that could aid with your hackathon Project and solve problems. The log transformation did improve the overall accuracy of the model at the end which was the reason I applied log transformation to target input at the beginning of Step 4 above. The distribution of the target variable in our case initially was a bit right skewed:-, After applying log transformation, it was normally distributed:-. users don’t solve wrong problems or those that do not exist and end up with pointless innovations that have nothing to do with your business Replace the Post-it notes with virtual equivalents. I will cover the reason for applying log transformation to y in the next section. Problem statements are concise descriptions of an issue that help understand the problems better and come up with effective solutions. allow users to submit new product ideas. We worked on solving a problem that really matters and Dataiku helped us a lot in doing that. I’m no AC expert, but 14 percent seems pathetic. Just keep in mind that I have kept the name of the dataset on which we are training the model as df_train. We also weren’t the only ones to win the hackathon, there were 400 Smart India Hackathon 2019 problem statements, and for each of them there was one winner. The sole reason why Hackathon are mostly organized is to provide Solution for pressing Issues in society. In the present dataset, there were no such columns so we can proceed ahead. Adapted from an article by Alan Bryman in the International Journal of Social Research Methodology: The two common approaches to do hyperparameter tuning are GridSearchCV and RandomisedSearchCV. This step does require quite a bit of imagination, critical thinking about the input features and using a part of your creative side. Despite a 100-year runway, the most advanced residential air conditioners have only achieved 14 percent of their maximum theoretical efficiency. The agility of a hackathon as an event is exceptional. After you have your initial problem statement worked out, it’s … When a business approaches a data scientist with a problem… Categorical data might not have a logical order. The basic steps in any solving any machine learning problem are:-, Phew…That’s a lot of steps to cover and beginners can get easily intimidated…so let’s deep dive into the problem and cover one step at a time…, You can download the dataset by creating an account on MachineHack website and download the dataset by registering for the following hackathon:- Flight ticket price prediction, Now there are 3 files which are provided in the zip file you get from the hackathon:-. Evoke positive emotions in customers and enhance customer satisfaction, Address the children’s market ( 3 to 12 years), It’s about feelings and emotions; that is the most important part.”, “We will make IKEA accessible to more people through our parcel service for Central West NSW,”.
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