Wyatt Flores is a 23-year-old singer-songwriter from Stillwater, Oklahoma, who’s making a name for himself in the Red Dirt music scene, building on the musical legacy of his home state. He grew up on a ranch in a working-class family where he was surrounded by musicians, often hearing them play cowboy songs around a campfire. His father, a drummer, built him a stage in the backyard when he recognized his talent, and his Uncle Bobby taught him how to play guitar. Now Wyatt is playing in front of thousands of fans, singing at the Grand Ole Opry, and writing songs that are winning audiences with their honesty, heart, and vulnerability. His debut album, Welcome to the Plains, explores the rough—and sometimes violent—side of growing up in rural Oklahoma, but it also shows a talent for storytelling and a wry sense of humor. Sid talks to Wyatt about why he’s so happy to be back in Stillwater after a couple of years in Nashville, the mental health struggles he’s openly shared with his fans, the family member he wants to have on his podcast, and why his favorite food is a breakfast burrito. Learn more about your ad choices. Visit podcastchoices.com/adchoices…
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K-Fold Cross Validation
Manage episode 311996326 series 3211418
محتوای ارائه شده توسط Erik Partridge. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Erik Partridge یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal
K-fold cross validation is the practice by which we separate a large data set into smaller pieces, independently process each data set, and then train our models on some number of the segments, and validate it on the rest. This is generally considered a best practice, or at least good practice, in machine learning, as it helps ensure the correct characterization of your model on the validation set.
Machine Learning Mastery has a great post on the topic.
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اشتراک گذاریManage episode 311996326 series 3211418
محتوای ارائه شده توسط Erik Partridge. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Erik Partridge یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal
K-fold cross validation is the practice by which we separate a large data set into smaller pieces, independently process each data set, and then train our models on some number of the segments, and validate it on the rest. This is generally considered a best practice, or at least good practice, in machine learning, as it helps ensure the correct characterization of your model on the validation set.
Machine Learning Mastery has a great post on the topic.
--- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message6 قسمت
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K-fold cross validation is the practice by which we separate a large data set into smaller pieces, independently process each data set, and then train our models on some number of the segments, and validate it on the rest. This is generally considered a best practice, or at least good practice, in machine learning, as it helps ensure the correct characterization of your model on the validation set. Machine Learning Mastery has a great post on the topic . --- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message…
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Stratified sampling provides a mechanism by which to split a larger dataset into smaller pieces. While random approaches are commonly used, stratified sampling ensures a relatively consistent distribution. This can result in an unwanted loss of variance, but can also beneficially reduce variance. --- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message…
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Boosting is also an ensemble meta-algorithm, like boosting. However, in boosting we teach a large number of weak, but specialized learners, and combine them according to their strengths. For more information on boosting, consider watching the University of Washington's great lecture on the topic . --- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message…
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Bagging is an ensemble meta-algorithm. Basically, we take some number of estimators (usually dozens-ish), train them each on some random subset of the training data. Then, we average the predictions of each individual estimator in order to make the resulting prediction. While this reduces the variance of your predictions (indeed, that is the core purpose of bagging), it may come at the trade off of bias. For a more academic basis, see slide #13 of this lecture by Joëlle Pineau at McGill University. --- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message…
The bias-variance trade-off is a key problem in your model search. While bias represents how well your model can capture the salient details of a problem, and generally correlates with more complex algorithms, it comes at the trade off of variance. Variance is the degree to which on individual predictions your estimators stray from the mean output on those values. High variance means that a model has overfit, and incorrectly or incompletely learned the problem from the training set. Most commonly, high bias = underfitting, high variance = overfitting. Please consider joining the conversation on Twitter . I also blog from time to time. You can find me at erikpartridge.com . For more academic sources, consider reading the slides from this fantastic Carnegie Mellon lecture . --- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message…
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The concept of empirical risk minimization drives modern approaches to training many machine learning algorithms, including deep neural networks. Today's thirty second summary covers the basics of what you need to know, but the concept goes well beyond just the simple case we discuss today. If you are looking to discuss the topic further, please consider joining the conversation on Twitter . Lecture notes from Carnegie Mellon University (no affiliation). --- Send in a voice message: https://podcasters.spotify.com/pod/show/mlbytes/message…
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