answer:Sure! Random forest and gradient boosting algorithms are two popular algorithms that can provide feature importances useful for feature selection. Here's how to determine feature importance using these algorithms: Random Forest: Random forest is an ensemble learning algorithm that combines multiple decision trees to improve prediction accuracy and minimize overfitting. To determine feature importance, we can use the "mean decrease impurity" method, which calculates the reduction in impurity (Gini index or entropy) when a feature is used to split the data in the tree. Features that lead to higher reduction in impurity are considered more important. Here are the steps to determine feature importance using random forest: 1. Train the random forest model using the dataset. 2. Retrieve the feature importances from the trained model. 3. Rank the features in descending order of importance. Gradient Boosting: Gradient boosting is another ensemble-based learning algorithm that combines multiple weak learners to make predictions. The algorithm fits new models to the residual errors of previous models. We can use the gradient boosting algorithm to determine feature importance using the "gain" method. This method calculates gain in accuracy when a feature is used to split the data. Here are the steps to determine feature importance using gradient boosting: 1. Train the gradient boosting model using the dataset. 2. Retrieve the feature importances from the trained model. 3. Rank the features in descending order of importance. In summary, determining feature importance is an essential step in feature engineering. Random forest and gradient boosting algorithms can be used to rank the features based on their importance in improving prediction accuracy. It helps to identify the most important features that will be used in the predictive model to optimize the website conversion rates.

answer:To follow @miistashoes on both Instagram and Twitter in relation to Street style shots by Alice Zielasko featuring the newest shots from Shoreditch, London, you can search for @miistashoes on each platform and click the "Follow" button. You can also click on the link provided in the statement "FOLLOW @MIISTASHOES ON INSTAGRAM AND TWITTER!" which will take you directly to their profiles, where you can follow them by clicking the "Follow" button.

answer:Sure, the handle or username of @miistashoes on Instagram and Twitter is also @miistashoes.

answer:Sure, here are some popular street style photographers and accounts on Instagram and Twitter that you can follow: 1. Tommy Ton (@tommyton) - a renowned fashion photographer known for his street style photography, especially during fashion week. 2. Adam Katz Sinding (@le21eme) - a street style photographer who captures some of the most unique and stylish individuals from around the world. 3. Phil Oh (@mrstreetpeeper) - another photographer who shoots for Vogue and known for his candid street style shots. 4. Scott Schuman (@thesartorialist) - the creator of The Sartorialist, one of the original street style blogs. 5. Leandra Medine Cohen (@leandramcohen) - founder of the fashion site Man Repeller, who also captures amazing street style images on her social media. 6. The Coveteur (@thecoveteur) - a fashion and lifestyle website that features stylish street style photography. 7. Stylesight World Textile Reports (@stylesightworldtextile) - a global fashion and trend forecasting company that showcases street style from around the world. You can also search for fashion bloggers, fashion magazines, and fashion designers who often post their street style shots on Instagram and Twitter.