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QUESTION
I am new, having a problem with my code.
I wonder how will I be able to print a variable after the if statements.
When I don't put the variable before the if statement it says that it's not initialized. here is the code:
ANSWER
Answered 2022-Jan-11 at 11:16First of all, you assign variable only 1 time " String xmas2 = null;"
QUESTION
I'm having this boring issue. I have looked around here on Stackoverflow but I can't get what is wrong. On another hosting platform I don't have this error. This is line 150:
...ANSWER
Answered 2020-Jul-20 at 12:11In this case, 02
and 08
are strings, not numbers. Quote them '02'
and '08'
. Edit all of your strings beginning with 0
QUESTION
I am trying to perform hyperparameter tuning for Spatio-Temporal K-Means clustering by using it in a pipeline with a Decision Tree classifier. The idea is to use K-Means clustering algorithm to generate cluster-distance space matrix and clustered labels which will be then passed to Decision Tree classifier. For hyperparameter tuning, just use parameters for K-Means algorithm.
I am using Python 3.8 and sklearn 0.22.
The data I am interested is having 3 columns/attributes: 'time', 'x' and 'y' (x and y are spatial coordinates).
The code is:
...ANSWER
Answered 2020-May-25 at 13:36250 and 251 are respectively the shapes of your train and validation in GridSearchCV
look at your custom estimator...
QUESTION
I am trying to perform hyperparameter tuning for Spatio-Temporal K-Means clustering by using it in a pipeline with a Decision Tree classifier. The idea is to use K-Means clustering algorithm to generate cluster-distance space matrix and clustered labels which will be then passed to Decision Tree classifier. For hyperparameter tuning, just use parameters for K-Means algorithm.
I am using Python 3.8 and sklearn 0.22.
The data I am interested is having 3 columns/attributes: 'time', 'x' and 'y' (x and y are spatial coordinates).
The code is:
...ANSWER
Answered 2020-May-25 at 11:59Your error message says it all: All intermediate steps should be transformers and implement fit and transform. In your case, your class ST_KMeans()
has to implement a transform
function as well to be used in a pipeline. Besides, best-practice is usually to inherit from the classes BaseEstimator
and TransformerMixin
from the module sklearn.base
:
QUESTION
So I am using h2o.ai to create a binomial classification model however when I use as.h2o to convert my data sets. It takes my target variable's column header which is "BUY" and adds that to the levels so instead of just 2 levels 1 and 2 it becomes three levels which are BUY, 1, and 2. This makes it multinomial and not wanted how do i fix this?
...ANSWER
Answered 2020-Apr-18 at 17:28The first choice (better, but more lines of code have to change) is not to load the data into R, and have H2O load it, and also have H2O split it instead. The H2O loader will recognize the first row is a header row and treat it as column names, and not as data.
The second approach is to strip out the header row in the R code.
However, that is already the default behaviour of read.csv()
(the header
argument defaults to TRUE
). So your data must have "BUY" somewhere other than the first row. In which case either fix the data manually, or seek and destroy that bad row after loading it into R.
(If you disagree, can you post a sample data file that demonstrates the problem, using the code you have given.)
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