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2 answers
143 views

How do I a make a rolling window function that traverses multiple files in a directory such that the window can cross files? I have a directory with multiple files in it. The files are named in ...
0 votes
0 answers
51 views

I'm trying to analyse acf/pacf plots of industrial production index, using first and seasonal differences to correctly identify SARIMA parameters. Data are stored in "zoo" time-series object ...
2 votes
1 answer
110 views

I'd like to analyse time-series data along multiple rolling windows. As a first step, I'd like to extract the start and end-times of said windows. Sadly, using zoo:rollapply seems to be missing a ...
0 votes
1 answer
53 views

so I pulled an hourly time series from a netcdf file and wanted to convert it to monthly data for some runs I'm doing. I keep getting the error in the title whenever I try to use the Zoo package to ...
0 votes
0 answers
50 views

I am trying to implement the VAR-based ConnectednessApproach R package, which requires a zoo object as an input. I have separate data frames that I merge together with an inner_join, which yields some ...
3 votes
5 answers
113 views

I have a dataset where I want to replace each zero with incrementing values: the first zero becomes 0.001, the second 0.002, the third 0.003, and so on. Each time a zero appears, it should increase by ...
Hydro's user avatar
  • 1,117
4 votes
2 answers
88 views

I have a data set that contains several variables of interest. What I'd like to do is compute a rolling average with the rollapplyr() function from the zoo package for each of them as additional ...
user avatar
-1 votes
2 answers
59 views

i have a data frame in R called Data. library(tibble) library(dplyr) library(zoo) Data <- tibble( var = c("A", "A", "A", "A", "A","A"), ...
1 vote
2 answers
53 views

I have the following data where I need to replace the values of UID column on the condition where the value will repeat until this specific value "Head of Household (Primary)" appears on the ...
Tathagato's user avatar
  • 434
0 votes
1 answer
74 views

I'm trying to add a variable that keeps track of the all-time high of a time series. The below code doesn't work - R encounters a fatal error during the for loop. I don't quite understand what's wrong ...
Řídící's user avatar
2 votes
3 answers
175 views

I have the following dataset which has the number of A, B and C both in 2000 and 2005. I now need to inpolate the dataframe subject to the constraint that the sum of A, B and C must be consistent with ...
0 votes
1 answer
77 views

I'm working with a nested dataframe using dplyr. I need to mutate a second nested column with a copy of the data where all numeric columns are replaced with a trailing rolling average of the last 5 ...
Sr. Riv's user avatar
0 votes
2 answers
118 views

I need to calculate the moving, weighted average by group in R. Below is a sample of my code: df %>% arrange(Type, Year) group_by(Type) %>% mutate( "weighted.rolling.mean" = ...
KurtRavn's user avatar
0 votes
1 answer
60 views

I'm looking for an efficient solution (preferably C++) to replace this code: m <- cbind(x1=1:10,x2=1:10,x3=1:10) width=3 rol_m <- zoo::rollapplyr(m, width=width, c, fill=NA) colnames(rol_m) <-...
mr.T's user avatar
  • 634
1 vote
1 answer
55 views

When working with e.g. daily air temperature data, I'd like to have better control of how many observations are allowed to be missing in order to not calculate the monthly average (or whatever ...
dimfalk's user avatar
  • 1,481

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