time-series

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R: Generate a Seasonal ARIMA time-series model using parameters of existing data

I have a count time series data which I\'m able to use to determine the parameters of the underlying stochastic process. For example say I have a SARIMA (p,d,q)(P,D,Q)[S] seasonal ARIMA model.[详细]

2023-03-26 04:38 分类：问答
microsecond time stamps in R

in a CSV file I have a few columns. One column has timestamps, where each stamp is the microseconds passed midnight of today (each csv file only have data within a day), so this is not ambiguous.[详细]

2023-03-25 06:35 分类：问答
R Month by Month Percent Growth on an XTS objects

How might I plot month to month growth for the following data: A 2008-07-010 2008-08-0187 2008-09-01 257 2008-10-01 294[详细]

2023-03-24 09:32 分类：问答
Expand Categorical Column in a Time Series to Mulitple Per Second Count Columns

What is the best way to make the following transformation? There are two parts to this conversion. The first is to convert the speed to a per second mean. The second is to take the categorical column[详细]

2023-03-22 01:19 分类：问答
time series barplot in R

i have a time series data like this: x <- structure(list(date = structure(c(1264572000, 1266202800, 1277362800,[详细]

2023-03-20 18:17 分类：问答
smoothing of auto-correlated time series data with ggplot2

Is there a way to incorporate smoothing function for an auto-correlated time series in ggplot2? I have time series data that is auto-correlated for which I currently use a manual process to determine[详细]

2023-03-18 08:58 分类：问答
Easiest way to create an irregular time series graph (R? GGPLOT? ITS?)

I\'m a graphic designer who is trying to use R to create graphs that are too complicated for Excel. I\'m specifically trying to create an irregular time series step chart. I\'ve had no problems creati[详细]

2023-03-16 08:21 分类：问答
Resample data according to a timeArray - JAVA

I\'d like to translate the following Matlab function ts = resample(ts,Time) resamples the timeseries object ts using the new Time vector.[详细]

2023-03-16 03:50 分类：问答
Calculate monthly average of ts object

Given a monthly ts object such as this: dat <- ts(c(295, 286, 300, 278, 272, 268, 308, 321, 313, 308, 291, 296,[详细]

2023-03-16 03:45 分类：问答
irregular time series data- can I make it regular? in r

I have data that was programmed to acquire information every 5 hours which means multiple data points per day.The problem is sometimes the data logger fails or batteries die or whatever and there are[详细]

2023-03-14 23:42 分类：问答