movavg | Moving Average calculator for Go | Apps library
kandi X-RAY | movavg Summary
kandi X-RAY | movavg Summary
Moving Average calculator for Go (Golang) with focus on performance.
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Top functions reviewed by kandi - BETA
- Add adds a value to the window .
- NewSMA returns a new SMA struct .
- MultiThreadSafe wraps multiMA .
- ThreadSafe returns a new instance of thread safe .
movavg Key Features
movavg Examples and Code Snippets
package movavg_test
import (
"fmt"
. "github.com/mxmCherry/movavg"
)
func ExampleSMA() {
sma := ThreadSafe(NewSMA(3))
// zero until values added:
fmt.Println(sma.Avg()) // 0
fmt.Println(sma.Add(1)) // 1
fmt.Println(sma.Avg()) // 1
fmt
Community Discussions
Trending Discussions on movavg
QUESTION
I am trying to test out an RSI-14 DI reversal strategy, but am unable to access the DI+ or DI- (variables are "plus" and "minus") from the function that they are in. Any ideas on how to access them? Here is the code:
...ANSWER
Answered 2020-Nov-11 at 21:14You cannot access function-local variables in the global scope.
See Scopes in the script
This code compiles, and gets your plus
and minus
variables in the global scope.
QUESTION
I want to use rollapply to a calculate a moving average in a data table in R. Each row in the data table is one month and I would like to average the last 36 months but will go as low as 24 if that is all that is available.
The code below calculates the 36 month moving average of "Points" ignoring NAs for each "username". Then it counts how many non-NAs there are and if it is less than 24 it sets the moving average to NA.
...ANSWER
Answered 2020-Jul-29 at 03:44For rolling mean and sum there are dedicated functions in zoo
(rollmean
and rollsum
). If you want to apply the function for atleast 24 datapoints you can use the partial
argument which is available only in rollapply
. Also rollapply(...., align = 'right')
is same as rollapplyr
. You can try :
QUESTION
library(quantmod)
getSymbols("LLOY.L",
from = datefrom,
to = dateto,
auto.assign = TRUE)
LLOY.L$MovingAverages <- 0
e <- movavg(LLOY.L$LLOY.L.Close, 5, type = c("e"))
LLOY.L[, 7] <- e
...ANSWER
Answered 2020-Feb-14 at 10:41You can easily do it using ifelse
function in R.
QUESTION
I'm sure there's a way to do this by writing a function in a loop, but the movavg() function is exactly what I want to do, I just can't figure out how to apply it across groups in a dataframe.
The data set is large, but I'm trying to take a few columns (say,
...ANSWER
Answered 2019-Mar-27 at 11:25Here is a possible solution. The main difference is that this is summarizing down to the level that you want to run the moving average on first and then creating the moving average.
QUESTION
I have a very large signal with 20Hz sampling frequency and I am using moving average (movavg) fuction with n=20 to make it smooth but in result I get a signal with the same sampling rate as the input. Is there a function which takes input and applies moving average filter and return a down sampled signal. Best Regards.
...ANSWER
Answered 2018-Sep-05 at 07:06You can keep one observation every 20 of the smoothed signal x[x%%20 == 0]
.
Which one you take must not have a significant impact as long as it is regular. You can get reassurance by comparing x[x%%20==0]
, x[x%%20==1]
, x[x%%20==2]
,...
QUESTION
(Using python 3.5 x64 for windows)
Hi there!
Im using data in the format of an integer at a specific unix time. I have a problem where I want the x-axis (unix time) to be "time since first record in seconds" but the values of this axis are not fitting this. I mean: The first integer from the y axis is not set at the 0 value of the x axis. How can I change the values of the x axis to fit my needs? I tried several things already: xticks, axes.set_ylim()...but always ran into a problem that i couldnt resolve. xticks could work, but i dont know how to fit the unix time in that so that the correlation between cpm and time does not get lost...
...ANSWER
Answered 2017-Feb-17 at 09:02You could maybe subtract the offset when you plot, something like this:
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