[goffice] Regression Equations: show only 3 decimals for R^2.
- From: Morten Welinder <mortenw src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [goffice] Regression Equations: show only 3 decimals for R^2.
- Date: Wed, 17 Mar 2021 22:30:32 +0000 (UTC)
commit 7943b42cdd6538b160f5686dfe2243a3327a2899
Author: Morten Welinder <terra gnome org>
Date: Wed Mar 17 18:28:50 2021 -0400
Regression Equations: show only 3 decimals for R^2.
There isn't any point that I know of in distinguishing finer than
that (or even that fine).
ChangeLog | 3 +++
NEWS | 1 +
goffice/graph/gog-label.c | 4 ++--
3 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index ab3599898..a0d1258fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2021-03-17 Morten Welinder <terra gnome org>
+ * goffice/graph/gog-label.c (gog_reg_eqn_get_str): Show only three
+ decimals for R^2.
+
* plugins/reg_linear/gog-lin-reg.c
(gog_lin_reg_curve_get_equation): Simplify code using fewer
branches.
diff --git a/NEWS b/NEWS
index 605abe77f..78b8b42e8 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,7 @@ goffice 0.10.50:
Morten:
* Simplify regression equation code.
+ * Use only 3 decimals for R^2 for regression lines.
--------------------------------------------------------------------------
goffice 0.10.49:
diff --git a/goffice/graph/gog-label.c b/goffice/graph/gog-label.c
index bfd3cc89f..9e7ef3f37 100644
--- a/goffice/graph/gog-label.c
+++ b/goffice/graph/gog-label.c
@@ -600,10 +600,10 @@ gog_reg_eqn_get_str (GogText *text)
NULL;
else
return reg_eqn->show_eq ?
- g_strdup_printf ("%s\r\nR² = %g",
+ g_strdup_printf ("%s\r\nR² = %.3f",
gog_reg_curve_get_equation (reg_curve),
gog_reg_curve_get_R2 (reg_curve)) :
- g_strdup_printf ("R² = %g", gog_reg_curve_get_R2 (reg_curve));
+ g_strdup_printf ("R² = %.3f", gog_reg_curve_get_R2 (reg_curve));
}
static void
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