stat_test_stdout.txt

#<Daru::DataFrame:26350488 @name = 1bc74fdd-f433-4231-acb6-285e1056feff @size = 10>
                    x          y          z
         0 -0.7578636 0.09223277 -0.2454774
         1 1.81987777 -0.1275641 -1.5700308
         2 -1.4820354 -1.6985282 2.36347546
         3 0.16219084 -2.9493959 0.76178748
         4 0.36093615 2.08200127 0.18933403
         5 0.52583002 -0.4889003 -0.3021196
         6 -1.5936446 1.43502890 -0.3759412
         7 -0.1656706 0.91071341 0.80560026
         8 0.44006102 1.70399226 0.84529931
         9 -0.5347074 -0.4188520 0.92095035

= Multiple reggresion of x,z on y
  Engine: Statsample::Regression::Multiple::RubyEngine
  Cases(listwise)=10(10)
  R=0.328
  R^2=0.107
  R^2 Adj=-0.148
  Std.Error R=1.679
  Equation=0.220 + -0.241x + -0.576z
  == ANOVA
    ANOVA Table
+------------+--------+----+-------+-------+-------+
|   source   |   ss   | df |  ms   |   f   |   p   |
+------------+--------+----+-------+-------+-------+
| Regression | 2.377  | 2  | 1.189 | 0.421 | 0.672 |
| Error      | 19.744 | 7  | 2.821 |       |       |
| Total      | 22.121 | 9  | 4.009 |       |       |
+------------+--------+----+-------+-------+-------+

  Beta coefficients
+----------+--------+--------+-------+--------+
|  coeff   |   b    |  beta  |  se   |   t    |
+----------+--------+--------+-------+--------+
| Constant | 0.220  | -      | 0.562 | 0.391  |
| x        | -0.241 | -0.157 | 0.658 | -0.366 |
| z        | -0.576 | -0.388 | 0.637 | -0.904 |
+----------+--------+--------+-------+--------+

const   0.21999519426413236
coeffs  {"x"=>-0.24063584542693878, "z"=>-0.5759149969383864}