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2 changes: 1 addition & 1 deletion Data Analysis/Searching and Combining Data.ipynb
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"\n",
"## Arel-like query syntax\n",
"\n",
"[Arel](https://github.com/rails/arel) is a very popular ruby gem that is one of the major components of the most popular ruby frameworks, [Rails](https://github.com/rails/rails). It is an ORM-helper of sorts that exposes a beatiful and intuitive syntax for creating SQL strings by chaining Ruby methods.\n",
"[Arel](https://github.com/rails/arel) is a very popular ruby gem that is one of the major components of the most popular ruby frameworks, [Rails](https://github.com/rails/rails). It is an ORM-helper of sorts that exposes a beautiful and intuitive syntax for creating SQL strings by chaining Ruby methods.\n",
"\n",
"In daru, we have successfully adopted this syntax and the result is a very intuitive and readable syntax for obtaining any sort of data from a DataFrame or Vector.\n",
"\n",
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2 changes: 1 addition & 1 deletion Data Analysis/Usage of DataFrame.ipynb
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Expand Up @@ -1200,7 +1200,7 @@
"\n",
"Statistical methods perform basic statistics on numerical Vectors only.\n",
"\n",
"For a whole list of methods see the Daru::Maths::Statistics::DataFrame module.\n",
"For a whole list of methods see the Daru::Maths::Statistics::DataFrame module in the [docs](https://rubygems.org/gems/daru).\n",
"\n",
"To demonstrate, the `#mean` method calculates the mean of each numeric vector and returns a Daru::Vector with the vector's name as the index alongwith the corresponding value."
]
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2 changes: 1 addition & 1 deletion Data Analysis/Usage of Vector.ipynb
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Expand Up @@ -503,7 +503,7 @@
"source": [
"### Basic Math\n",
"\n",
"Aritmetic operations done between two vectors will always perform the aritmetic on corresponding elements of the same index.\n",
"Arithmetic operations done between two vectors will always perform the arithmetic on corresponding elements of the same index.\n",
"\n",
"The concerned vectors need not have the same size of even the same index. In case of a mismatch, a sorted union of the indexes of both the Vectors is used as an index for the resulting vector.\n",
"\n",
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