DataAnalysis | 《跟老齐学Python系列》图书之《数据分析》www.itdiffer.com
kandi X-RAY | DataAnalysis Summary
kandi X-RAY | DataAnalysis Summary
《跟老齐学Python系列》图书之《数据分析》www.itdiffer.com
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QUESTION
I wanted to simultaneously predict the total volume and volume of class A, B, C, D, and 0. Is it possible to do this with the code below? Do I have to add a field in the dataset with what I'm predicting?
...ANSWER
Answered 2022-Mar-28 at 22:03Yes it's possible to do that with the code below since RandomForestRegressor supports multioutput. In case you want to try different models that don't support multioutput you should use either MultiOutputRegressor
or RegressorChain
from sklearn multioutput.
In a nutshell MultiOutputRegressor
fits a model for each output variable and RegressorChain
fits a model for each output variable but it also uses the previous models outputs as inputs this is why it's called Chain. Here is quick demonstration on how to use both strategies with:
QUESTION
the npy file I used ⬆️
https://github.com/mangomangomango0820/DataAnalysis/blob/master/NumPy/NumPyEx/NumPy_Ex1_3Dscatterplt.npy
2. after loading the npy file,
...ANSWER
Answered 2022-Mar-05 at 04:57Here is the trick
QUESTION
I have more than 1000 XML files that probably have the same structure. I want to create a database using data in all the files. I have never known how an XML file looked before yesterday. With the help of Google, I tried using the r-packages to load a single XML file in RStudio. But when I'm trying to convert that into a data frame, an error is occurring.
This is how file looks like: File A
...ANSWER
Answered 2021-Dec-31 at 10:26You cannot directly convert XML
file to a dataframe
. You'll need to fetch the tags and data inside those tags and then create the dataframe
.
Here's the code that will do the trick:
QUESTION
I'm trying to make a pip install of the fastf1 library. I noticed that I was using py 3.7 and that lib requires 3.8 or superior. I updated my interpreter (to python 3.10) but, the pip install keeps returning "ERROR: Could not find a version that satisfies the requirement fastf1". My python --version returns 3.10, but my pip version, although updated, still calling the anaconda's pip
How do I change the main pip to be used in this project?
Terminal result:
PS C:\Users...\Github\speedmetrica\DataAnalysis> python --version Python 3.10.0 PS C:\Users...\Github\speedmetrica\DataAnalysis> pip --version pip 21.3.1 from c:\users\jgbal\anaconda3\lib\site-packages\pip (python 3.7)
...ANSWER
Answered 2021-Nov-19 at 02:02If python --version
is running the desired version of Python, instead of running:
QUESTION
I have a Shiny app where the user can choose one or several analyses depending on water type. They should able to choose as many analyses as they wish for each water type, independently of one another. For example, they should be able to choose 2 analyses in freshwater, and three in seawater. In this example, the table would ideally look like this:
...ANSWER
Answered 2021-Sep-28 at 15:03Perhaps this will meet your needs.
QUESTION
I have a string
variable that contains the model's class name, and I want to call a method on said model using that variable, is that possible??
My code:
...ANSWER
Answered 2021-Jun-02 at 09:48call_user_func()
.
QUESTION
I'm in charge of updating a legacy VUE project to the latest npm packages. I've succeeded in updating and getting a successful webpack compilation with no errors, but for some reason, beyond my grasp, the css stopped rendering in the browser after the updates. I would really appreciate a clue on this one. We are using SCSS syntax for stylesheets. No errors in the console.
Thanks.
package.json:
...ANSWER
Answered 2021-Mar-01 at 08:45I was following this documentation, but in our specific case exchanging vue-style-loader with style-loader did the trick:
QUESTION
I have ClassError
enum as follows, and one of them can return the error message ExportError(Error)
and the other one just the name. I wonder how to get the error message in switch case
and print it out.
I am getting the following error
Binary operator '~=' cannot be applied to two 'Optional' operands
ClassError.swift
...ANSWER
Answered 2021-Feb-01 at 07:28Here, the word error
actually refers to the parameter error
, rather than a new variable:
QUESTION
In my controller, I have 1 main method that returns all of the data and 2 other methods that return subsets of the data:
...ANSWER
Answered 2021-Jan-28 at 11:00For your question regarding the events. Below are the links explaining what those two events do.
- For the tabStrip events : https://docs.telerik.com/kendo-ui/api/javascript/ui/tabstrip/events/show
- For the grid events : https://docs.telerik.com/kendo-ui/api/javascript/ui/grid/events/databound
Here in your code, you don't need to do anything in your dataBound event.
For the rest :
You should start by writing your controler action the same way it is described on the documentation : https://demos.telerik.com/aspnet-mvc/grid/remote-data-binding
QUESTION
Hey I have created a Maven Project in IntelliJ and added some dependencies in my pom.xml for using external libraries. But I always have to import the classes in the class where I want to work with the classes of these libraries.
For example one dependency:
...ANSWER
Answered 2021-Jan-03 at 20:29You must use imports in your Java source code. Maven dependencies do not replace imports.
They make imports possible, though. Without the dependency, the import will fail.
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