5.1.3 Can you answer these questions?

5.1.3.1 Apply a classifier to a column in excel and export side by side result?

https://mathematica.stackexchange.com/questions/162901/apply-a-classifier-to-a-column-in-excel-and-export-side-by-side-result

 
I'm relatively new to using Mathematica, and I was able to create a Classifier from a training set of about 3,000 pairs of non-numerical text strings. 
 
I have my test set of about 20,000 records in an  ...
 

- asked by M0RPH0RX 2votes

5.1.3.2 Solving a cumulative distribution from a first order condition

https://mathematica.stackexchange.com/questions/162825/solving-a-cumulative-distribution-from-a-first-order-condition

 
I could use some guidance in using Mathematica's NDSolve.  I'm attempting to numerically uncover a cumulative distribution function (CDF), $F(p)$, with density $f(p)$ from a first order condition,  ...
 

- asked by J.R. 1vote

5.1.3.3 Fourier   Examples   Applications   Frequency Identification: high resolution: what trick is this?

https://mathematica.stackexchange.com/questions/162661/fourier-examples-applications-frequency-identification-high-resolution-w

 
My question is regarding one of the examples in the Documentation Center for the built-in symbol Fourier: 
 
Fourier | Examples | Applications | Frequency Identification 
 
Fourier is used to find the  ...
 

- asked by Jack 1vote

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