Pearson's Coefficient for classification problem The Next CEO of Stack Overflow2019 Community Moderator ElectionHow to get correlation between two categorical variable and a categorical variable and continuous variable?Hive: How to calculate the Kendall coefficient of correlation of a pair of a numeric columns in the group?Why is the correlation coefficient of a constant function with function input is not defined?Dissmissing features based on correlation with target variableMisleading Pearson Correlation Coefficient?Generalization of Correlation CoefficientIs Pearson coefficient a good indicator of dependency between variables?Standard correlation coefficient of various datasetsIn supervised learning, how to get info from correlation?Is dimension reduction helpful to select features for a classification problem?
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Pearson's Coefficient for classification problem
The Next CEO of Stack Overflow2019 Community Moderator ElectionHow to get correlation between two categorical variable and a categorical variable and continuous variable?Hive: How to calculate the Kendall coefficient of correlation of a pair of a numeric columns in the group?Why is the correlation coefficient of a constant function with function input is not defined?Dissmissing features based on correlation with target variableMisleading Pearson Correlation Coefficient?Generalization of Correlation CoefficientIs Pearson coefficient a good indicator of dependency between variables?Standard correlation coefficient of various datasetsIn supervised learning, how to get info from correlation?Is dimension reduction helpful to select features for a classification problem?
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Can we use Pearson's Correlation Coefficient to calculate the correlation between features and target in the case of a classification problem?
machine-learning classification correlation
$endgroup$
add a comment |
$begingroup$
Can we use Pearson's Correlation Coefficient to calculate the correlation between features and target in the case of a classification problem?
machine-learning classification correlation
$endgroup$
$begingroup$
Yes, you can. Does it make sense to? Not really. stats.stackexchange.com/questions/119835/…
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– Dan Carter
Mar 25 at 15:09
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@DanCarter, I agree it doesn't make sense to use it. So calculating Pearson's r and using it for feature selection is not correct I believe. But I have seen in many places (especially in Kaggle competitions) that people use corr() for feature selection. Am I missing something here?
$endgroup$
– Anju
Mar 26 at 6:01
add a comment |
$begingroup$
Can we use Pearson's Correlation Coefficient to calculate the correlation between features and target in the case of a classification problem?
machine-learning classification correlation
$endgroup$
Can we use Pearson's Correlation Coefficient to calculate the correlation between features and target in the case of a classification problem?
machine-learning classification correlation
machine-learning classification correlation
asked Mar 25 at 8:45
AnjuAnju
82
82
$begingroup$
Yes, you can. Does it make sense to? Not really. stats.stackexchange.com/questions/119835/…
$endgroup$
– Dan Carter
Mar 25 at 15:09
$begingroup$
@DanCarter, I agree it doesn't make sense to use it. So calculating Pearson's r and using it for feature selection is not correct I believe. But I have seen in many places (especially in Kaggle competitions) that people use corr() for feature selection. Am I missing something here?
$endgroup$
– Anju
Mar 26 at 6:01
add a comment |
$begingroup$
Yes, you can. Does it make sense to? Not really. stats.stackexchange.com/questions/119835/…
$endgroup$
– Dan Carter
Mar 25 at 15:09
$begingroup$
@DanCarter, I agree it doesn't make sense to use it. So calculating Pearson's r and using it for feature selection is not correct I believe. But I have seen in many places (especially in Kaggle competitions) that people use corr() for feature selection. Am I missing something here?
$endgroup$
– Anju
Mar 26 at 6:01
$begingroup$
Yes, you can. Does it make sense to? Not really. stats.stackexchange.com/questions/119835/…
$endgroup$
– Dan Carter
Mar 25 at 15:09
$begingroup$
Yes, you can. Does it make sense to? Not really. stats.stackexchange.com/questions/119835/…
$endgroup$
– Dan Carter
Mar 25 at 15:09
$begingroup$
@DanCarter, I agree it doesn't make sense to use it. So calculating Pearson's r and using it for feature selection is not correct I believe. But I have seen in many places (especially in Kaggle competitions) that people use corr() for feature selection. Am I missing something here?
$endgroup$
– Anju
Mar 26 at 6:01
$begingroup$
@DanCarter, I agree it doesn't make sense to use it. So calculating Pearson's r and using it for feature selection is not correct I believe. But I have seen in many places (especially in Kaggle competitions) that people use corr() for feature selection. Am I missing something here?
$endgroup$
– Anju
Mar 26 at 6:01
add a comment |
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$begingroup$
Yes, you can. Does it make sense to? Not really. stats.stackexchange.com/questions/119835/…
$endgroup$
– Dan Carter
Mar 25 at 15:09
$begingroup$
@DanCarter, I agree it doesn't make sense to use it. So calculating Pearson's r and using it for feature selection is not correct I believe. But I have seen in many places (especially in Kaggle competitions) that people use corr() for feature selection. Am I missing something here?
$endgroup$
– Anju
Mar 26 at 6:01