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

Rolling sum function in Rcpp

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

Timestamp conversion in R?

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

Transform the dataframe to xts object

Formatting a character to a year-qtr date format in a data.table

Multiple csv files(stock data) to xts in R?

Carry observations forward n rows by group

Zoo Object Values Lost At Certain Index Value

Duplicate dates in xts object lead to wrong indexing

rollapplyr on missing records related by date

Calculating a moving average in R conditional on the values of a different variable

Using rollmean to calculate a moving average excluding the first observation in R

R: Export specific value class from xts objects

How do I lag Quarters in r?

Messed up panels after plot.zoo (multiple) and par(new=T)

window() function exclude the date sent as end argument, any work around?

How to create a new column calculating price changes without using lagged values?

R: Use rollapply on list column

Limit na.locf in zoo package

the limit size of rollapply function in R programm

R: Parse date as year/quarter

Creating an xts object of wide format dataset

R: na.locf not behaving as expected

Closest Value for each 15 min interval

R finding my object the first time but not the second in a ddply loop with zoo lag function -- can't figure out how to amend code

Why my xlabels are outside the chart?

Rolling mean every five months over three months

unable to add moving average line to stock price time series plot

Changing base::colnames into a generic function called colnames

Mutate function in dplyr not working with Rolling Means/ Moving Averages

rollmeanr issue with NA

rolling regression with confidence interval (tidyverse)

How to get diurnal cycle from hourly multiseries XTS in R?

average for time period dependent on date of row

Using zoo package

In r, I am trying to mutate a year month column which is in "2001.01" format to 2001 Jan

plot.zoo - Plot one graph with different colors

rbind an empty xts with an xts

R - Plot the rolling mean of different time series in a lineplot with ggplot2

How to solve Error: in if () { : missing value where TRUE/FALSE needed in sparseIndexTracking R?

Interpolate across row NA's of dataframe

R Impute NA's by Linear Increase Depending on Time Interval

Change weekend to weekday

R Replace Intermittent NA Values With Last Observation Carried Forward (NA.LOCF)

Rolling Beta regression for multiple stocks in R

Return.excess from xts gives me only 0's?

Interpolating NA's by group using dplyr on multiple columns

Basical conditional data selection in a zoo

Can't figure out why my second (left) axis doesn't show up on the final plot

Averaging across rows of different list elements (corresponding to the correct date)

Grouping an xts by month

R : create a zoo matrix from a csv file

sum only the negative values in a row from an xts-object

R : Eventstudy package error with Zoo: "any(class(z) %in% "zoo")"

CAPM.beta rollapply

Want to print out a list of XTS objects

Want to select a column based on a return (within that same column) below a threshold in R

Calculating/subsetting returns from a data frame (XTS/ZOO) of security prices with NA values?

r - compute rolling sum by id within 1 year time frame

Convert daily date vector to weeks in R

Do not understand what rollapply is doing

Filling NA in time series data in R

In R how to make all the values of date time in a column unique

return the output of `getSymbols()` as a data frame

R - Not able to model Cumulative Abnormal Returns with eventstudies and quantmod data - modeling issues of data

R - error in eventstudies, "arguments imply differing number of rows: 0, 1"

How to Change Type of Target Column for a Rolling Mean Function

irregular time series using ggplot2 plot is not correctly scaled and looks crammed

Fill NAs with next columns for moving average

Generalized Method of Moment (GMM) estimation on zoo series

Fill gaps in a time-series off by an hour due to timezone/DST change

R Merging two datarecords onto consistent timestamp

R area under curve ZOO package