time-series

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R: Technical analysis annual results

Dear List, I am trying for technical analysis with R, using packages TTR, quantmod, zoo I have daily prices of gold, the data looks like:[详细]

2023-02-07 12:22 分类：问答
Create Regular time series from an irregular (as.Date) time series with frequency=23

I have the following problem in R. I would like to create a ts() object (i.e. a regular time series) from a irregular time series (i.e. a list of dates and data values).[详细]

2023-02-07 05:40 分类：问答
How to test time series model?

I am wondering what the good approach for testing time series model would be. Suppose I have a time series in a time domain t1,t2,...tN. I have inputs, say, zt1, zt2,...ztN and output x1,x2...xN.[详细]

2023-02-06 22:20 分类：问答
Identify important minima and maxima in time-series w/ Mathematica

I need a way to identify local minima and maxima in time series data with Mathematica.This seems like it should be an easy thing to do, but it gets tricky.I posted this on the MathForum, but thought I[详细]

2023-02-06 18:14 分类：问答
Read a time series table using read.zoo

I\'ve looked all over the place, but I can\'t find where this question has been asked before. What is a clean way to get this data into a proper zoo series?This version is a copy/paste to make this p[详细]

2023-02-04 20:14 分类：问答
Time series database for java?

I want to store millions of time series entries (long time, double value) with Java. (Our monitoring system is currently storing every entry in a large mySQL table but performance is very bad.)[详细]

2023-02-04 01:59 分类：问答
How do I add values in an array when there is a null entry?

I want to create a real time-series array.Currently, I am using the statistics gem to pull out values for each \'day\':[详细]

2023-02-01 12:21 分类：问答
Calculate Returns over Period of Time

I\'m trying to get a time series of returns for holding a certain asset for a specific time. My dataframe looks like this:[详细]

2023-01-31 07:18 分类：问答
Calculating Start for stl()

I\'m reading weekly data from a .csv data file.A sample of the data is: Date,Demand \"Feb 08, 1991\",6621[详细]

2023-01-31 07:04 分类：问答
C++ time series library (analysis and processing) [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-01-30 01:03 分类：问答