Light GBM is a high-performance gradient boosting (GBDT, GBRT, GBM or MART) framework and is used for classification, machine learning, and ranking related tasks. Light GBM grows tree vertically while other algorithm grows trees horizontally. Light GBM grows tree leaf-wise while other algorithm grows level-wise. Leaf with max delta loss grows. By growing the same leaf, a leaf-wise algorithm can reduce more loss than a level-wise algorithm.

The goal of this paper was to predict the placement in the multiplayer game PUBG (playerunknown battleground). In the game, up to one hundred players parachutes onto an island and scavenge for weapons and equipment to kill others, while avoiding getting killed themselves. The available safe area of the game map decreases in size over time, directing surviving players into tighter areas to force encounters. The last player or team standing wins the round. In this paper specifically, we have tried to predict the placement of the player in the ultimate survival test. The data set has been taken from Kaggle. Entire dataset has 29 attributes which are categories to 1 label(winPlacePerc), training set has 4.5 million instances and testing set has 1.9 million. winPlacePerc is continuous category, which makes it harder to predict the survival of the fittest. To overcome this problem, we have applied multiple machine learning models to find the optimum prediction. Model consists of LightGBM Regression (Light Gradient Boosting Machine Regression), MultiLayer Perceptron, M5P (improvement on C4.5) and Random Forest. To measure the error rate, Mean Absolute Error has been used. With the final prediction we have achieved MAE of 0.02047, 0.065, 0.0592 and 0634 respectively.

Today, Data Science is known to be one among the fastest growing fields in the world. Every day there is a launch of some or the other new algorithm, some of which fail and some achieve success. Today, we will discuss one of the most successful machine learning algorithm, Light GBM. Before moving ahead, What actually is LightGBM? LightGBM is a fast, distributed as well as high-performance gradient boosting (GBDT, GBRT, GBM or MART) framework that makes the use of a learning algorithm that is tree-based, and is used for ranking, classification as well as many other machine learning tasks.

If you are an active member of the Machine Learning community, you must be aware of Boosting Machines and their capabilities. The development of Boosting Machines started from ADABOOST to today's favourite XGBOOST. XGBOOST has become a de-facto algorithm for winning competitions at Analytics Vidhya and Kaggle, simply because it is extremely powerful. But given lots and lots of data, even XGBOOST takes a long time to train. Many of you might not be familiar with the Light Gradient Boosting, but you will be after reading this article. The most natural question that will come to your mind is – Why another boosting machine algorithm?