When NaNs are present in the dataset. Do not return an array filled with
NaNs if only the first observations are NaNs.

Returns the first period without NaNs.

Closes #15

(cherry picked from commit 744f13af)

(cherry picked from commit 5da2d18e)

(cherry picked from commit bb2064b6)

Need to add unit tests for this.

 + Code factorization.
 + Allows regular expressions in subsasgn method.

Stéphane Adjemian authored Nov 27, 2015 and Stéphane Adjemian committed Feb 18, 2016

Instantiates dseries object with XLSX files instead of XLS files.

Stéphane Adjemian authored Nov 27, 2015 and Stéphane Adjemian committed Feb 18, 2016

We do not support XLS files with Octave. Users should use XLSX instead.

Stéphane Adjemian authored Nov 27, 2015 and Stéphane Adjemian committed Feb 18, 2016

Overloads the printf function.

Stéphane Adjemian authored Nov 26, 2015 and Stéphane Adjemian committed Feb 18, 2016

... and added a new methods.

Methods with trailing underscore (log_, exp_ and align_) in the name do
inplace modifications, while methods without trailing underscore create
new objects.

Returns the arithmetic or geometric mean and standard deviation.

It is not possible to instantiate an empty dseries object with a time span.

Suppress error message in unit test 15 by calling dseries in evalc.

Allow for NAN in the first argument

(cherry picked from commit 6ef181d1)

(cherry picked from commit 2f57168c)

(cherry picked from commit f4d6dd72)