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PP: Imaging time-series to improve classification and imputation
From: University of Maryland encode time series as different types of images. reformulate features of time series as visual clues. three representatio ...
分类:其他好文   时间:2020-02-05 10:00:43    阅读次数:79
Numpy常用数据结构、数据清洗函数、数据结构series和方法、数据结构dataframe和方法
Numpy常用数据结构 1. 数组创建 In [ ]: # 导入库 import numpy as np In [ ]: arr1 = np.array([-9,7,4,3]) In [ ]: arr1 In [ ]: arr2 = np.array([-9,7,4,3],dtype =float) ...
分类:其他好文   时间:2020-02-04 22:08:05    阅读次数:110
PP: Deep r -th Root of Rank Supervised Joint Binary Embedding for Multivariate Time Series Retrieval
from: Dacheng Tao 悉尼大学 PROBLEM: time series retrieval: given the current multivariate time series segment, how to obtain its relevant time series segm ...
分类:其他好文   时间:2020-02-04 10:40:03    阅读次数:71
PP: Multilevel wavelet decomposition network for interpretable time series analysis
Problem: the important frequency information is lack of effective modelling. ?? what is frequency information in time series? and why other models don ...
分类:Web程序   时间:2020-02-03 22:49:18    阅读次数:126
PP: A multi-horizon quantile recurrent forecaster
2017 NIPS, time series workshop traditional methods: ARIMA. Seq2Seq quantile forecast; RELATED WORK DeepAR, probabilistic forecasting with encoder-dec ...
分类:其他好文   时间:2020-02-03 19:11:18    阅读次数:82
pandas基础--层次化索引
以下代码的前提:import pandas as pd 层次化索引使你能在一个轴上拥有多个(两个以上)索引级别。抽象的说,它使你能以低维度形式处理高维度数据。 1 >>> data = pd.Series(np.random.randn(10), index=[['a', 'a', 'a', 'b' ...
分类:其他好文   时间:2020-02-03 18:57:19    阅读次数:50
pandas基础--基本功能
本节介绍操作Series和DataFrame中的数据的基本手段。 1.1 重新索引 重新索引reindex,其作用是创建一个适应新索引的新对象。调用reindex将会根据新索引进行重排,如果某个索引值当前不存在,就引入缺失值。 1 >>> obj = pd.Series([4.5, 7.2, -5. ...
分类:其他好文   时间:2020-02-03 09:26:05    阅读次数:88
pandas模块
pandas模块 pandas官方文档:https://pandas.pydata.org/pandas docs/stable/?v=20190307135750 pandas基于Numpy,可以看成是处理文本或者表格数据。pandas中有两个主要的数据结构,其中Series数据结构类似于Nump ...
分类:其他好文   时间:2020-02-01 10:25:10    阅读次数:65
D - Counting Squares
Your input is a series of rectangles, one per line. Each rectangle is specified as two points(X,Y) that specify the opposite corners of a rectangle. A ...
分类:其他好文   时间:2020-01-31 19:08:57    阅读次数:80
PP: Toeplitz Inverse Covariance-Based Clustering of Multivariate Time Series Data
From: Stanford University; Jure Leskovec, citation 6w+; Problem: subsequence clustering. Challenging: discover patterns is challenging because it requ ...
分类:其他好文   时间:2020-01-31 10:28:33    阅读次数:101
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