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tchakravarty

Mumbai, India

Statistician.

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93
Fitting several regression models with dplyr
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84
How to tune hyperparameters of xgboost trees?
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54
geom_text how to position the text on bar as I want?
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53
What is the difference between GARCH and ARMA?
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51
Replicating Stata's “robust” option in R
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46
How do I interpret a probit model in Stata?
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44
Logistic Regression: Scikit Learn vs Statsmodels
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32
How are the standard errors of coefficients calculated in a regression?
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26
Calculate coefficients in a logistic regression with R
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21
Which Dickey-Fuller test for a time series modelled with an intercept/drift and a linear trend?
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21
I know the 95% confidence interval for ln(x), do I also know the 95% confidence interval of x?
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18
error Installing topicmodels in R Ubuntu
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14
Count the number of each unique row in a data frame?
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13
Logistic regression with LBFGS solver
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12
ubuntu 14.04, pip cannot upgrade matplotllib
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12
Write custom classifier in R and predict function
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10
Using an example, show that $C$ does not have to be a field
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10
Who invented profile maximum likelihood estimation?
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10
Fuzzy regression discontinuity design and exclusion restriction
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10
Interpret regression coefficients after WLS
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10
Applying Frisch-Waugh-Lovell theorem to IV regression in R
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9
Is such transformed beta a known distribution?
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8
R duplicate a matrix several times and then bind by rows together
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8
Write xts/zoo object to csv with index
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8
Looking for a OLS-Equation if one Regressor is correlated with the error
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8
More Theoretical and Less Computational Linear Algebra Textbook
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8
Identify the parameters of the model $Y=\exp(\beta_0 + \beta_1 X + \beta_2 Z)+u_i$
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8
Deletion residuals
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7
Asymptotic chi square tables?
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7
How to convert a sparse or simple_triplet_matrix into a tm-package Document Term Matrix without going through Corpus/VCorpus, in R?
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