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# How to manually calculate AUC of the ROC?

## How to manually calculate AUC of the ROC? Tag : python , By : Sebastián Ucedo Date : November 28 2020, 04:01 AM

will be helpful for those in need You'll need to calculate the true positive and false positive rates using your predicted and true class while varying your class threshold (T), i.e. the cut-off you use to predict whether an observation falls into class 0 or 1.
You'll need a dataset with a header that looks like...

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## How to calculate DS:[0040207A] manually?

Tag : assembly , By : Topher Cyll
Date : March 29 2020, 07:55 AM
I wish this helpful for you I see your using OllyDbg, so to make it a little relavent to your situation:
DS indicates that it(the address) is in the data segment, [0040207A] is the address in the data segment. if you goto (crtl + g in olly) address 0x40207A, you'll see some bytes, this is the pointer to MessageBoxA. just note that your missing the size of element pointed to by the address (in this case its DWORD PTR), the full instruction should be MOV EAX, DWORD PTR DS:[0040207A]

## How to calculate CheckSum in Fix manually?

Tag : development , By : user183842
Date : March 29 2020, 07:55 AM
Any of those help You need to sum every byte in the message up to but not including the checksum field. Then take this number modulo 256, and print it as a number of 3 characters with leading zeroes (e.g. checksum=13 would become 013).
Link from the FIX wiki: FIX checksum

## Calculate ACF manually

Tag : r , By : Anna
Date : March 29 2020, 07:55 AM
around this issue I have the following equation for calculating ACF, I don`t want to use the function ACF in r, but calculate it manually for the following data and then plot the results using ggplot2 , You can try this if you want ...
``````data<-rweibull(168,2,3)
time<-seq(from=as.POSIXct("2014-01-01 00:00"),to=as.POSIXct("2014-01-07  23:00"),by="hour")
df<-data.frame(time,data)
x <- data - mean(data)

maxLag<-100
acfResults<- data.frame(k=c(1:maxLag), acf=NA, stringsAsFactors = FALSE)

for (k in 1: maxLag) {
N <-nrow(df)-k
acf<- sum(x[1:N]*x[(1+k):(N+k)]) / sum(x^2)
acfResults[k,1] <-k
acfResults[k,2] <-acf
}
``````

## Manually calculate AUC

Tag : python , By : Stuka
Date : March 29 2020, 07:55 AM
around this issue You can divide the space into 2 parts: a triangle and a trapezium. The triangle will have area TPR*FRP/2, the trapezium (1-FPR)*(1+TPR)/2 = 1/2 - FPR/2 + TPR/2 - TPR*FPR/2. The total area is 1/2 - FPR/2 + TPR/2. This is how you can get it, having just 2 points.

## How to manually calculate XML signature in C#

Tag : chash , By : Eran Yahav
Date : March 29 2020, 07:55 AM