xsample | xsample – Extended sample objects for Pure Data and Max | Data Processing library
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xsample – Extended sample objects for Pure Data and Max
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QUESTION
I know this would seem similar to a lot of questions asked previously on the same topic. I have surveyed most of them but they don't quite answer my question. My problem is that my gradient is not converging to optima, it is rather diverging and oscillating at even very low values of alpha.
My data generation function is below
...ANSWER
Answered 2020-Aug-25 at 16:01Several things are to be corrected in your implementation (most of them for efficiency reasons). Of course, you would gain time by simply defining w = np.array([5, 2, 3, 1, 4, 1]), but this does not answer the question as to why your SGD implementation does not work.
First of all, you define X by doing:
QUESTION
PDF=Fr(r)=1/(1+r)^2 and Rsample=Xsample/Ysample where X,Y are independent exponential distributions with rate = 0.001.xsample=100 values stored in x,ysample=100 values stored in y.
Find the CDF FR(r) corresponding to the PDF and evaluate this at r ∈{0.1,0.2,0.25,0.5,1,2,4,5,10}. Find the proportions of values in R-sample less than each of these values of r and plot the proportions against FR(0.1), FR(0.2), ... ,FR(5),FR(10). What does this plot show?
I know that the CDF is the integral of the pdf but wouldn't this give me negative values of r.also for the proportions section how would you count the number of elements that are true, that is the number of elements for which R-sample is less than each element of r.
...ANSWER
Answered 2020-Mar-05 at 22:00This is how you can count the number of elements for which R-sample is less than each element of r:
QUESTION
Hermione and Ron have won prizes with random values. Hermione’s prize will be £X and Ron’s prize £Y , where X and Y are independent exponential random variables, each with expected value 1000. Write R commands to simulate one pair of values of (X,Y) and compute R = X/Y . Create a loop to run the above commands 100 times. Store the 100 values of X in a vector Xsample, the 100 values of Y in a vector Ysample and store the ratios, R, in a vector Rsample. Draw histograms of the data in Xsample, Ysample and Rsample.
I know that the rate is 0.001. firstly would x and y be 'rexp(0.001)'. and also for the for loop to store the 100 values of x would that be
...ANSWER
Answered 2020-Mar-05 at 00:21Here is one way to generate 100 values using rexp and for-loop. We can create an empty vector and save the result to the vector based on indexing.
QUESTION
I have this simulation where I want to generate rows according to a given condition and probability.
I generate the data with this code:
...ANSWER
Answered 2019-Oct-30 at 11:53Use ifelse() to allocate the probabilities.
QUESTION
I am not worked with XSLT lot. But Somehow, I am struggling to get the expected output for the below items.
Input 1:
...ANSWER
Answered 2018-Sep-14 at 06:22I think the problem is with this line
QUESTION
I want to copy the row of a table so that it will be easier for me to paste it into the spreadsheet.
...ANSWER
Answered 2018-Jul-23 at 09:32You could create a temporary </code>, go through all your <code><td></code> and paste their text into this <code><textarea></code>.</p>
<p>Then select everything, copy it and remove the temporary <code><textarea></code>:</p>
<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>$(".copy-btn").click(function() {
let tmpElement = $('<textarea style="opacity:0;">');
let parent = $(this).closest('td').siblings().each(function(){
tmpElement.text(tmpElement.text() + $(this).text() + '\t');
});
tmpElement.appendTo($('body')).focus().select();
document.execCommand("copy");
tmpElement.remove();
});
QUESTION
I recently started learning Deeplearning4j and I fail to understand how the concept of epochs and iterations is actually implemented. In the online documentation it says:
an epoch is a complete pass through a given dataset ...
Not to be confused with an iteration, which is simply one update of the neural net model’s parameters.
I ran a training using a MultipleEpochsIterator, but for the first run I set 1 epoch, miniBatchSize = 1 and a dataset of 1000 samples, so I expected the training to finish after 1 epoch and 1000 iterations, but after more than 100.000 iterations it was still running.
...ANSWER
Answered 2018-May-15 at 00:29None of this will matter after 1.x (which is already out in alpha) - we got rid of iterations long ago.
Originally it was meant to be shortcut syntax so folks wouldn't have to write for loops.
Just focus on for loops with epochs now.
QUESTION
I've a combobox which connects to DB with AJAX proxy. Questions are;
- When I type any string into
combobox, it removes typed string when XHR loading ends.. - Secondly even if the searched record available inside request data, it's not displaying!
It's doing correct URL requst with param, typed input already exist in Dataset of XHR response but doesn't bring searched record on selection inside Dropdown list...
ANSWER
Answered 2018-Apr-06 at 13:13And the issue is which totally all about my own enviroment setup has been solved.
Till now I thought that issue raises through Frontend request for filtering. Just couple hours ago has examine Backend if response for request as expected and has been figure out issue's reason was not Frontend!
The solution has solved through Backend with preparing required web service for query. For this case Backend web service was not able to query with description field on URL and they've added this service, problem solved...
FYI to all..
QUESTION
I am trying to modify part of a column from a Spark data frame. The row selection is based on the vector (in R env) ID.X. The replacement is another vector (in R env) Role.
I have tried the following:
ANSWER
Answered 2018-Jan-19 at 20:02Let's say sdf.bigset looks like this:
QUESTION
I have a dataframe df. It looks like:
ANSWER
Answered 2018-Jan-09 at 01:48Another way of doing this:
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