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  2. pandas (software) - Wikipedia

    en.wikipedia.org/wiki/Pandas_(software)

    Pandas (styled as pandas) is a software library written for the Python programming language for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series .

  3. Help:Collapsing tables and more - Wikipedia

    en.wikipedia.org/wiki/Help:Collapsing_tables_and...

    Adding the mw-collapsible class to a table automatically positions the toggle, and selects which parts to collapse. A common use is to make a collapsible layout table, which always displays an introduction or summary, but hides the rest of the content from immediate view.

  4. Help:Table/Advanced - Wikipedia

    en.wikipedia.org/wiki/Help:Table/Advanced

    Also, if the table has cell spacing (and thus border-collapse=separate), meaning that cells have separate borders with a gap in between, that gap will still be visible. A cruder way to align columns of numbers is to use a figure space   or   , which is intended to be the width of a numeral, though is font-dependent in practice:

  5. Multi-index notation - Wikipedia

    en.wikipedia.org/wiki/Multi-index_notation

    Note that, since x + y is a vector and α is a multi-index, the expression on the left is short for (x 1 + y 1) α 1 ⋯(x n + y n) α n. Leibniz formula For smooth functions f {\textstyle f} and g {\textstyle g} , ∂ α ( f g ) = ∑ ν ≤ α ( α ν ) ∂ ν f ∂ α − ν g . {\displaystyle \partial ^{\alpha }(fg)=\sum _{\nu \leq \alpha ...

  6. Raising and lowering indices - Wikipedia

    en.wikipedia.org/wiki/Raising_and_lowering_indices

    This process is called raising the index. Raising and then lowering the same index (or conversely) are inverse operations, which is reflected in the metric and inverse metric tensors being inverse to each other (as is suggested by the terminology): = = =

  7. Template:Collapse - Wikipedia

    en.wikipedia.org/wiki/Template:Collapse

    Creates a collapsible box that allows its content to be hidden or revealed on user's command. It is used to reduce clutter. Template parameters [Edit template data] Parameter Description Type Status Contents 1 content text Contents of the box Content required Title 2 title heading header reason result Text of title bar. Defaults to "Extended contents". Default Extended content String suggested ...

  8. Help talk:Collapsing - Wikipedia

    en.wikipedia.org/wiki/Help_talk:Collapsing

    The content in question is currently in a table so it seems logical to use collapsible tables but in the Help for Collapse (top and bottom) it mentions it can also be used to collapse complex content that includes tables. Doesn't seem to be any clear indication which is recommended.

  9. Template:Table - Wikipedia

    en.wikipedia.org/wiki/Template:Table

    hide, collapse, collapsed, or mw-collapsed: Uses the mw-collapsible collapsed classes to make the table collapsed with a [show] link to reveal the table. auto or autocollapse: Uses the mw-collapsible autocollapse classes to make the table collapsible, but only collapse it if there are three or more collapsible tables on the page; inner or ...