exp3 | Python code for the post Adversarial Bandits | Machine Learning library
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kandi X-RAY | exp3 Summary
Python code for the post "Adversarial Bandits and the Exp3 Algorithm"
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Top functions reviewed by kandi - BETA
- Simple test
- Generate an exponential payoff function
- Draw an index from a list of weights
- R Compute the distance between weights
- Plots the regret reward graph
- Transpose a matrix
- Return a list of column j
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QUESTION
ANSWER
Answered 2022-Apr-14 at 17:21We can do this by making each segment of each bar it's own row and creating a group
aesthetic for each row:
QUESTION
I implement secondary indicators through Python, Binance API. However, even though I keep changing the type, it is recognized as "NoneType" and cannot be output to Excel.
...ANSWER
Answered 2022-Mar-28 at 15:59In your function, you are returning nothing. So it makes your ethusdt_macd
NoneType
because it is basically nothing.
So, when you call to_excel
method, it cannot find it because ethusdt_macd
is None
.
You need to return the data1
(or whatever variable you need) in your function.
QUESTION
I am trying to create a class with a method whose return type will depend on the boolean
value of a flag-parameter
I have managed to do this successfully when
- using a plain function expression that implements an interface,
- or in a class when declaring the method overloads directly in the class body
However, I am not able to do this when I am trying to use an interface that is implemented by the class.
I would like to do this using interface implementation for a class method to achieve the dynamic return type.
Thanks!
Here is the example code which is also available in the Typescript Playground
...ANSWER
Answered 2022-Feb-21 at 17:20I don't think you get a choice but to repeat the overload in the class (as you did with Exp
) when implementing the interface; here's a modified Exp2
that both implements the interface and lists the overloads:
QUESTION
i want to remove rows has duplicate value in specific column
my Query return data like this:
Column1 Column2 Column3 Column4 1 text1 First exp1 2 text2 Second exp2 3 text3 third exp3 4 text4 third exp4I want it like this:
Column1 Column1 Column1 Column1 1 text1 First exp1 2 text2 Second exp2 3 text3 third exp3MY QUERY VALUE DUPLICATE IS t2.numeroLot
...ANSWER
Answered 2022-Feb-17 at 12:50You can use ROW_NUMBER()
to identify the rows you want (the first one of each group). Then filtering out is easy.
Your query could take the form:
QUESTION
I have a database with MANY out-of-date file locations. The difference between the out-of-date file locations and the correct locations is simply the left-side of the address. So, I am attempting to take the left-side off and replace it with the correct string. But, I can't get there because my query is altering the right-side of the address.
This query is made using "vfpoledb."
...ANSWER
Answered 2022-Feb-16 at 15:41OK this is tricky, I did some Foxpro 20 years ago but don't have it to hand.
Your SELECT statement looks OK to me. In the comments under the question Thomas G created this DbFiddle which shows that in a 'normal' dbms, your SELECT statement gives the result you are expecting: https://dbfiddle.uk/?rdbms=sqlserver_2017&fiddle=37047d2b7efb91aaa029fa0fb98eea24
So the problem must be something FoxPro/dBase specific rather than a problem with your SELECT statement.
Reading up I see people say that with FoxPro always use ALLTRIM() when using RIGHT() or LEN() on table fields because the data gets returned padded with spaces. I don't see how that would cause the exact bug you're seeing but you could try this maybe:
QUESTION
ANSWER
Answered 2021-Sep-10 at 13:36Instead of {}
use []
to return list:
QUESTION
I apologize as I prefer to ask questions where I've made an attempt at the code needed to resolve the issue. Here, despite many attempts, I haven't gotten any closer to a resolution (in part because I'm a hobbyist and self-taught). I'm attempting to use two dataframes together to calculate the average values in a specific column, then generate a new column to store that average.
I have two dataframes. The first contains the players and their stats. The second contains a list of each player's opponents during the season.
What I'm attempting to do is use the two dataframes to calculate expected values when facing a specific opponent. Stated otherwise, I'd like to be able to see if a player is performing better or worse than the expected results based on the opponent but first need to calculate the average of their opponents.
My dataframes actually have thousands of players and hundreds of matchups, so I've shortened them here to have a representative dataframe that isn't overwhelming.
The first dataframe (df) contains five columns. Name, STAT1, STAT2, STAT3, and STAT4.
The second dataframe (df_Schedule) has a Name column but then has a separate column for each opponent faced. The df_Schedule usually contains different numbers of columns depending on the week of the season. For example, after week 1 there may be four columns. After week 26 there might be 100 columns. For simplicity sake, I've included just five columns ['Name', 'Opp1', 'Opp2', 'Opp3', 'Opp4', 'Opp5'].
Using these two dataframes I'm trying to create new columns in the first dataframe (df). EXP1 (for "Expected STAT1"), EXP2, EXP3, EXP4. The expected columns are simply an average of the STAT columns based on the opponents faced during the season. For example, Edgar faced Ralph three times, Marc once and David once. The formula to calculate Edgar's EXP1 is simply:
((Ralph.STAT1 * 3) + (Marc.STAT1 * 1) + (David.STAT1 * 1) / Number_of_Contests (which is five in this example) = 100.2
...ANSWER
Answered 2021-Sep-08 at 16:59Try:
QUESTION
I have the following data.frame:
The first column contains names (of genes), column 2-4 contains counts of one condition in three replicates, and column 5-7 counts of a second condition in three replicates. Now, I would like to filter out all genes, that
- have at least values in 2 out of 3 replicates (one value can be 0 or missing)
- have counts ≥ 3 per condition
This is my data:
...ANSWER
Answered 2021-Sep-03 at 10:34If I understood the problem correctly
Example dataQUESTION
I'm working on pure javascript draggable and sizable div. Everything is okay, But I have just one problem which is when I hover on the parent div I need to show the handle which is just a children div.
You can semply remove and readd .onHover {display: none;}
to see the targeted div.
and you can find a related example in this link
HTML
...ANSWER
Answered 2021-Jul-07 at 18:31Remove the +
QUESTION
I have a problem with my Javascript code. I want to make a flip on my cards with a click on a button (in my case, the button called "Result"). But my issue is when I Click on the first button "Results", all cards make a flip. So I tried to do two foreach, but it doesn't work.
Here is my code:
...ANSWER
Answered 2021-Jul-03 at 17:51If you select all the buttons at the beginning, you're binding the function to all of them.
Instead, you need to find each button as a child of the card
element in your foreach. At that point, you assign to the only result button (inside that specific card element) the first listener and to the only back button the other listener.
Fixed snippet below, I only edited the javascript part.
Side note: When you use querySelector
or querySelectorAll
and you want to access something by its id, like a css rule, you need to specify #
first. Like you're doing for css classes where you use .
as prefix.
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