Questions tagged [tradeoff]
44 questions
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Finding the best bandwidth for kernel smoothing regression in R
I have simulated bivariate data (x,y) where y has mean 1/x and some variance. The data looks something like this: Data
I am using kernel smoothing regression to try and find this relationship.
kernelreg = ksmooth( train_points$x, train_points$y,…
s2798ww
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Technical term for describing an algorithm that "exposes trade-off between locally and globally optimal decisions"
What is the technical term for describing an algorithm that "exposes trade-off between locally and globally optimal decisions"?
It's gonna be part of a name, so I would appreciate replacing the above-mentioned description with a shorter yet…
Farzam
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Alert Based on color of line
Actually I am working on alert (Pine script 4) for a customized strategy name as 'magicline".
This magicline shows in green, black or red when price of instrument goes up, remain flat and goes down respectively.
I want to create buy or sell alert…
0
votes
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Why computing the mse step by step don't yield the same solution as MSE function?
I tried to calculate the mse value for a test set by hand and by using the MSE function from the MLmetrics package but get different results.
Here is a reproducible example:
ActualValuesExample <-…
MasterStudent1992
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Trading run-time for higher fit accuracy?
I am using the fit function to fit a curve with quite a few parameters. It turns out that in my problem it is quite hard to predict the parameter ranges that the value should lie in (it would require a lot of pre-analysing of the data). In…
Wolpertinger
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1 answer
High bias or variance? - SVM and weired learning curves
I have never seen such learning curves. Am I right, that huge overfitting occurs? The model is fitting better and better to the training data, while it generalizes worse for the test data.
Usually when there is high variance, like here, more…
DavidS1992
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Reducing calls to distant WebService
I am working on a web application. It has a page which loads information releated to people(name, surname, telephone, etc). In addition to this default information there exists an icon which represents the status of the person in another external…
pafede2
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Implications of not using repo path for my own packages
Suppose I decide to keep all personally developed packages organized
as follows:
$GOPATH/
bin/
pkg/
src/
somepkg1
somepkg2
...
somepkgN
Further, suppose there is a great deal of code reuse among them, so…
eold
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3 answers
What constitutes a good memory profile?
In designing any desktop applications, are there any general rules on how much memory should the application uses?
For heavy-weight applications, those can be easily understood or at least profiled such as Firefox or Google Chrome. But for smaller…
chakrit
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Coding speed, programming speed tradeoff: C++ or Java with native code
I wanted to explore neural nets by writing a program to play with different types of networks. So far I've written a basic perceptron in c++. As I understand it neural networks can require a lot of computing power to do even fairly minor tasks, so…
user1854496
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moving average accuracy?
I have some data where people vote on things, and it would be nice to have an average for each item of how everyone who has voted on it has voted. You can think of the votes as a stream of constantly incoming numbers. Now I can figure out the…
hackartist
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-1
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2 answers
GNU GSL & MATLAB on Windows
This question is actually about the trade-off between GSL and MATLAB. First, let me define some variables:
- Target OS: Windows XP
- Target IDE: MS VS 2005/2008
- Software: Commercial
- Development Language: C++
Moreover, I am asking this…
baris.aydinoz
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Which of the following code have lesser time complexity? Please explain how to calculate it
Following is the code to calculate subsets of a given array:
Bit Manipulation Method: How to analyse it?
vector> subsets(vector& nums)
{
sort(nums.begin(), nums.end());
int num_subset = pow(2, nums.size());
…
Ashish Goyal
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1 answer
What features IBM Worklight can and can not provide in native mobile app developing?
I've already read this:
IBM Worklight - Which features a Native app cannot use?
but it's a little old now and I'm asking:
what kind of features are still missing while developing a native cross-platform mobile app in the realm of business…
Gargaroz
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