Re: [ANN] orgtbl-fit

[Ihor Radchenko <yantar92@posteo.net>]

tbanelwebmin <tbanelwebmin@free.fr> writes:

> The new orgtbl-fit package has just been released on Melpa. It
> does regression fitting on Org Mode tables.
>
> Example. We suspect that `obs' depends on `x' and `y'.
> ...
>
> Let us put the cursor on the `obs' column, and type
> M-x orgtbl-fit
>
> Two columns are added
> - predicted obs column
> - difference between obs and predicted
>
> |  x | y |  obs | Best Fit | Fit Diff |
> |----+---+------+----------+----------|
> | 32 | 7 | 38.3 |     38.2 |     -0.1 |
> | 18 | 3 | 11.4 |     11.6 |      0.2 |
> | 43 | 9 | 47.3 |     47.2 |     -0.1 |
> | 11 | 2 |  8.9 |      8.7 |     -0.2 |
> | 35 | 8 | 45.1 |     45.3 |      0.2 |
> #+TBLFM: $4=-0.289267886829 - 1.06613976706*$1 + 10.3668885192*$2; 
> %.1f::$5=$4-$3; %.1f

Are there situations when this package is actually useful for data
analysis? (I am usually using gnuplot for fitting)

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>