Rattle | new imperative programming language designed to be | Interpreter library
kandi X-RAY | Rattle Summary
kandi X-RAY | Rattle Summary
[click here] to try out some code of your own!. this interpreted language is developed to be easy to use and hard to mess up. to acheive this, all commands are a single character and their arguments follow - for example, you would simply do +2 to add 2 to the current value. rattle is a very versatile language - it works on a 100-slot circular data tape, where you can move the pointer to whichever slot you want, and manipulate data in that slot and at the top of the stack at the same time. rattle is an imperative programming language, like c++. to take input or declare variables, your code simply needs the | character - data types are recognised automatically. if you want to take multiple inputs or create lists, you can separate them with &. in order to use different functions in your code, you simply have to use the following format and call functions with f0, f1, etc.: variables (or
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Top functions reviewed by kandi - BETA
- Execute a function
- Get command list
- Log an error message
- Print out the output of the given string
- Runs the program
- Execute code
- Parse code
- Add arg to stack
- Set the top of the stack
- Formats the argument
- R Modify stack
- Multiply the top of the stack
- Clean the top of the topOfStack
- Execute local function
- Quit the program
- This function is used to initialize the stack
- Make the top of the stack
- Subtract arg from stack
- Divide two values
- Exponentiate the function
- Prints the character at the given argument
- Print an integer value
- Modulo arg
- Print the value at the top of the stack
- Show Hello World World
- Prints the stored string buffer
Rattle Key Features
Rattle Examples and Code Snippets
Community Discussions
Trending Discussions on Rattle
QUESTION
I am trying to create a node-link diagram (decision tree) by using parsnip
and tidymodels
. What I am performing is building a decision tree model for the StackOverflow dataset using the tidymodels
package and rpart
as model engine. The model should predict whether a developer will work remotely (variable remote
) based on the number of years of programming experience (years_coded_job
), degree of career satisfaction (career_satisfaction
), job title "Data Scientist" yes/no (data_scientist
), and size of the employing company (company_size_number
).
My pipeline
...ANSWER
Answered 2021-May-25 at 15:17If you are going tidymodels and parsnip to fit your model, it's better to use that actual fitted model for any visualizations like this. You can get the underlying engine object from a parsnip model using $fit
.
QUESTION
I am using XGBClassifier for the Rain in Australia dataset and trying to predict whether it will rain today or not. I wanted to tune the hyperparameters of the classifier with GridSearch and score it with ROC_AUC. Here is my code:
...ANSWER
Answered 2021-Apr-10 at 08:20Have you tried your own roc_auc scoring rule? It seems like you are passing labels instead of probabilities (you originally need) for roc_auc.
problem described in here: Different result roc_auc_score and plot_roc_curve
Solutions for own scorers: Grid-Search finding Parameters for AUC
Update2
Sorry, saw today that my introduction text from the notebook was missing lol
When calculating roc_auc_score you have the option (it doesnt matter, if it is with or without gridsearch, with or without pipeline) that you can pass it labels like (0/1) or probabilities like (0.995, 0.6655). The first should be easy available if you just convert your probas to labels. However that would result in a (straight reversed L) output plot. That looks sometimes ugly. the other option is to use predicted probabilites to pass them them to the roc_auc_score. That would result in a (staircase reversed L) output plot, which looks much better. So what you first should test is, can you get a roc auc score with labels, with and without grid, if that is the case. You should then try to get probabilities. And there, I believe, you have to write your own scoring method, as the roc-auc_score in grid only serves labels, that would result in high roc_auc scores. I wrote something for you, so you can see the label approach:
QUESTION
i need some help with add information to table in xsl inside for-each loop.
i want to add Link to Wikipedia for every row in table, link for each album, but im in "for-each" loop.
look for my question in section code in "a href...." tag.
for now all the links is to "Empire Burlesque".
i think its very simple, but how i do this? Thank you very much for your help
XML Code:
...ANSWER
Answered 2020-Dec-22 at 12:07Not sure if I understood correctly but I think this may work:
QUESTION
i need some help with sum function in xsl.
first of all i split to 3 tables for 3 countrys i have in XML.
now i add a row in each table and for each table i need use "sum function" and calculate the sum of all prices, here is my code for now, what im doing wrong? I would be happy for help from you, thx.
XML:
...ANSWER
Answered 2020-Dec-20 at 13:07If you want to sum the Price
of the current group, you need to use the key to select the group:
QUESTION
I have followed the instructions, I think, and have come up with the following configuration:
...ANSWER
Answered 2020-Dec-19 at 11:30The server process must be listening on the special "all interfaces" address 0.0.0.0. Many development-type servers by default listen on "localhost only" 127.0.0.1, but in Docker each container has its own private notion of localhost
. If you use tmux
or docker exec
to run multiple processes inside a container, they have the same localhost
and can connect to each other, but if the client and server are running in different containers, the request doesn't arrive on the server's localhost
interface, and if the server is listening on "localhost only" it won't receive it.
Your setup is otherwise correct, with only the docker-compose.yml
you include in the question. Some other common problems:
- You must connect to the port the server process is listening on inside the container. If you remap it externally with
ports:
, that's ignored, and you'd connect to the secondports:
number. Correspondingly,ports:
aren't required. (expose:
also isn't required and doesn't do anything at all.) - The client may need to wait for the server to start up. If the client
depends_on: [flask]
the host name will usually resolve (unless the server dies immediately) but if it takes a while to start up you will still get "connection refused" errors. See Docker Compose wait for container X before starting Y. - Neither container may use
network_mode: host
. This disables Docker's networking features entirely. - If you manually declare
networks:
, both containers need to be on the same network. You do not need to explicitly create a network for inter-container communication to work: Compose provides adefault
network for you, which is used if nothing else is declared. - Use the Compose service names as host names. You don't need to explicitly specify
container_name:
orlinks:
.
QUESTION
I can load the titanic_train dataset into Rattle with no problem, but if I subset a few columns I get the error:
Error in paste(., collapse=""): cannot coerce type 'closure' to vector of type 'character'
Here's my work flow:
...ANSWER
Answered 2020-Nov-20 at 12:11The problem seems to be that Rattle is seeing the df object as the stats package call to the df
function for the F distribution. The same error occurs when naming the object dt in the code above -- Rattle fails because (I think) it considers dt the T distribution function. Changing the object name to dt1 or df1 works just fine in Rattle.
This wasn't noticeable when I tried class(df)
or typeof(df)
. While it's dangerous to name objects with existing function/object names, df for data frame and dt for data table are commonly seen.
QUESTION
I have been working on an Android Project(Kotlin) and have been facing some issues.
The project overview and issues:
Issue 1 : I am developing an application with a navigation drawer and fragments. In one of my fragments, I am using a gridview, which has cardview elements(Refer to the first image). I have provided the code just below the image. (In ProductFragment.kt only refer to the category_list and the corresponding code)
fragment_product.xml
...ANSWER
Answered 2020-Jul-30 at 20:21Issue 1: Use match parent in both height and width in item.xml
Issue 2: layout_height="wrap_content" can't be used in GridView in fact it can't be used in subclasses of AdapterView (e.g. ListView and GridView). You'll have to calculate each item's height dynamically and then set the gridview height accordingly. Instead of doing this much work, just use a recyclerview with a grid layout and set its height as wrap_content
and also disable nested scrolling in this recyclerview
QUESTION
So this really baffled me. I was playing around with this Kaggle dataset using pandas to learn statistics. I tried to calculate the mean of a column by using Series.sum()/len(Series), but then I remembered that Series.mean() exists. However, I accidentally discovered that pandas Series.mean() gives a slightly different result from Series.sum()/len(Series).
Steps to reproduce:
- Read the dataset using pd.read_csv()
- Take the column MaxTemp as the Series we will work on, named 'workdata' for example.
- Calculate workdata.mean() and workdata.sum()/len(workdata)
For now, I suspect that the difference is because decimals cannot be calculated 100% correctly by a computer and there are lots of decimals to work with here so the small differences could pile up.
If it is indeed the case, which one would give a more accurate result, and why?
...ANSWER
Answered 2020-Jun-02 at 03:41This is because of Series.mean()
doesn't count the NaN
values in the dataFrame. if you want to include NaN
values you can use Series.mean(skipna=False)
.
HAPPY_CODING...
QUESTION
I'm experimenting with the parsnip package using the Titanic dataset.
...ANSWER
Answered 2020-Apr-30 at 20:08I think the best way to do this is to create a little wrapper function, maybe called fit_titanic()
:
QUESTION
I am a beginner to using Random Forest. I am trying to train a random forest model then apply it to a testing dataset but am having problems getting two datasets that are the same length. I have trained a good model but need to see how it performs on my test data. Please see my code below. Any tips would be appreciated.
...ANSWER
Answered 2020-Apr-14 at 19:49Use newdata =
within predict
function for both training and testing data like
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Install Rattle
You can use Rattle like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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