随笔分类 - Algorithms
摘要：Sploe = 2: means that SPY move up 1, ABC move up 2 Correlation: how close those dots close to the line.
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摘要：A histogram is an accurate representation of the distribution of numerical data. Y axis is the occurances, X axis is the % of daily return. There are
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摘要：In the store marketing, for many reason, one stock's data can be incomplete: We can use 'forward fill' and 'backward fill' to fill the gap: forward fi
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摘要：Global Statistics: Common seen methods as such 1. Mean 2. Median 3. Standard deviation: the larger the number means it various a lot. 4. Sum. Rolling
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摘要：Tf-idf, or term frequency-inverse document frequency, is a statistic that indicates how important a word is to the entire document. This lesson will e
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摘要：In this lesson, we will learn how to train a Naive Bayes classifier and a Logistic Regression classifier - basic machine learning algorithms - on JSON
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摘要：In this lesson, we will learn how to train a Naive Bayes classifier or a Logistic Regression classifier - basic machine learning algorithms - in order
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摘要：In a doubly linked list each node in the list stores the contents of the node and a pointer or reference to the next and the previous nodes in the lis
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摘要：In a singly linked list each node in the list stores the contents of the node and a reference (or pointer in some languages) to the next node in the l
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摘要：(binary search trees) which form the basis of modern databases and immutable data structures. Binary search works very much the way humans intuitively
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摘要：See how Dynamic programming working for TSP: Check this link: http://www.youtube.com/watch?v=IUzE1MbjoVs
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