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时间序列--时间序列基础
pandas最基本的时间序列类型就是以时间戳(通常以python字符串或datetime对象表示)为索引的Series。 1 >>> from datetime import datetime 2 >>> dates = [datetime(2020, 1, 23), datetime(2020, ...
分类:其他好文   时间:2020-02-06 14:30:59    阅读次数:71
数据蛙提高-pandas学习
read_csv ??不同参数的作用 header默认为0,即第一行为表头,如果header=None,则0开始的数字作为表头,可以配合name=[]定义表头。 Series和DataFrame数据结构 to_frame(name=None)方法,把Series格式数据转化为DataFrame格式。 ...
分类:其他好文   时间:2020-02-06 13:05:34    阅读次数:85
PP: Triple-shapelet networks for time series classification
Problem: time series classification shapelet-based method: two issues 1. for multi-class imbalanced classification tasks, these methods will ignore th ...
分类:Web程序   时间:2020-02-06 01:44:11    阅读次数:127
PP: A dual-stage attention-based recurrent neural network for time series prediction
Problem: time series prediction The nonlinear autoregressive exogenous model: The Nonlinear autoregressive exogenous (NARX) model, which predicts the ...
分类:Web程序   时间:2020-02-05 23:44:53    阅读次数:149
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
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