Calculate variables using equations then use the generated values to generate new one

even with specified formatting and index, error "index has bad entries"

Is there a way to make rollapply always pass a matrix to my function?

Why does ifelse not process complex test conditions (difference between && / & and || / |)?

How would you create a summary zoo from a list of files?

How would you sum the same columns across a list of zoo objects?

How to count the number of negative values for each observation of a certain variable

Can't find a way to carry the last good value down

Filling in NAs with weighed linear interpolation

Track progress of a function's output

R - Execute Zoo rollapply/rollmean on multiple columns

Why R forecast treats existing values as missing and uses initial states as the only ones

How to customize the layout if YooTheme ZOO?

Decomposing a zoo object without the periodic error

Rollapply over data.table rows with subset calculations in function

How does zoo() fill n rows while the original Dataframe has n-1 row?

conditional missing value imputation

Replace NA with previous character for certain column add some letter in R

Why am I getting a frequency of 1 for this monthly time series data in R?

Match strings across all columns in dataframe and impute or replace values

How do you detect a divergence between two time series in R?

Why is indexing not working in this zoo object?

How do I lookup a value in another zoo object?

How to convert a list of zoo objects to a dataframe?

How do I sum matching elements in a list of zoo objects?

Aggregating with and without a lag

R - average of monthly sums of time series

Error in imputing daily time series with zoo package

How can I use rollapply with a 5 month window?

Create data of frequency of interactions between variables using R

How to create index for custom aggregation on zoo object

Alternative to na.locf (zoo) for numbers

Replacing missing values in time series data in R

zoo: missing values in 'row.names' are not allowed

What does the "align" parameter do in rollapply?

Convert first day of month to last day in R

Conversion from xts to zooreg time series removes date values

zoo object just inserted random rows when I tried cbind. What happened?

Calculating first and last day of month from a yearmon object

How do I find the closest date to a given date?

nested rollmean - how to avoid NA's from each DF edge

Using xblocks for interpolated values across time series in r

Trouble with converting csv file into xts using Highfrequency package in R

Identify number or character sequence along an R dataframe column

R Power BI : Date column not processed correctly after execution of R script

R zoo package: na.approx changing length of vector when NA are in the beginning

Why are values converted to strings in the rollapply window?

Backwards rollapply with zoo object

List and Unlist behavior not as expected

Generating variables in a for loop from a second data frame

IF condition based on ROLLMEAN and ROLLAPPLY

How to calculate moving average by specified grouping and deal with NAs

Why does a zoo object sometimes have dimensions and sometimes doesn't?

Remove trailing NA by group in a data.frame

How do I subset a row of an xts object as a named vector?

missing yearmon labels using ggplot scale_x_yearmon

Ra - estimating GMM with lags conviniently

Unable to read WRDS csv data in Rstudio

Result of rollsum needed in final row of each set

Is there a fast R function like rollapplyr with increasing window size?

rollsumr with window-length>1: filling missing values

Monthly to annualy timeseries, 8 columns 466 rows

select values on multiple data frames by multiple groups

Better way to apply rolling function to zoo or xts object?

linear spine interpolation of time-series by groups

How Can I us maxgap with na.fill on an zoo or xts?

calculating volatility of return at end of each month using 1 year window

cex.main is ignored when plotting [xts]

How to plot certain columns in R?

How do I access coredata from each object in a matrix of xts zoo objects

Convert Month Year to date r (from excel)

Merge multiple times series from CSV in R

na.locf error: numbers or NAs produced rather than

export XTS to CSV, with separate columns

How can I divide value across periods in R?

replace duplicate dates with weekly sequence order in R

convert a month character value into a date month value

Extend and fill up dataframe with previous values

Shorten multiple dplyr mutates with mutate_at?

using na.locf in one column and getting the whole DF Back

add values of one group into another group in R

Error in seq.default(head(tt, 1), tail(tt, 1), deltat) : 'by' argument is much too small in R

NA values while converting data.frame to zoo object

How to calculate average value by group and replace date in R data frame

Backward replacement of NAs in time series only to a limited number of observations

Backward replacement of NAs in time series only to a limited number of observations

Get overlapping mean by group without for loop (zoo, data.table)

how to save the trading- date from get.hist.quote

R - Split time series into colums depending on weekday

Replace negative values with mean of the previous record and current value