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Dhruv Ghulati


Active since 2015

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Loss function or error rate using logistical regression
Hi there, I am trying to perform logistic regression using a test set and training set. My loss rate should be simply ...

circa 7 anni ago | 0 answers | 0

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answers

Question


Cannot test model using cross validation using crossval and kFoldLoss
I am very new to machine learning, but due to my course I have followed the materials and been able to fit a random forest on my...

circa 7 anni ago | 0 answers | 0

0

answers

Question


Stepwiseglm with non-binary response variable (classifications into 3 buckets) and mix of continous/categorical predictor variables
Hi there, I have an array of 25 predictors that looks like this (not, converted from values like "Albania" to numbers like 46...

circa 7 anni ago | 0 answers | 0

0

answers

Question


Retain dummy variable labels from converting categorical to dummyvar
Hi there, I have 19 categorical columns which I have converted into being a number for each category. However, I want to incr...

circa 7 anni ago | 3 answers | 1

3

answers

Question


Overall interpretation of multinomial ordinal logistic regression model, and how to improve with more variables bit by bit
I have 3 categories to predict which are ordinal - Dead, Inactive, and Highly Active. I tried MATLAB's logistic regression wi...

circa 7 anni ago | 0 answers | 0

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answers

Question


How to fill in NaNs or <undefined> in data with the mode of each column
I have converted a mixed table of both categorical and double arrays into being all columns of type double, via making each cate...

circa 7 anni ago | 1 answer | 0

1

answer

Question


Find column names with particular names in MATLAB table
Hi there, I have a massive table with 408 columns in MATLAB. I want to get rid of columns that start with the word "connected...

circa 7 anni ago | 3 answers | 0

3

answers

Question


Can't get all the rows in my table that have any missing values and remove those rows
Hi there, I am trying to remove my table (of a combination of double, cell arrays and duration arrays) of any rows which have...

circa 7 anni ago | 2 answers | 0

2

answers

Question


Can't convert a cell array to a date using cellfun(@datenum or @datetime)
Hi there, I have a cell array that looks like: '2012-03-12 00:00:00 UTC' '2010-09-06 00:00:00 UTC' '2010-10-24 00:...

circa 7 anni ago | 1 answer | 0

1

answer