From 4ee190811202915c5e3c7035693c6a56054e8c40 Mon Sep 17 00:00:00 2001
From: Jan Benda <jan.benda@uni-tuebingen.de>
Date: Sun, 1 Dec 2019 18:24:59 +0100
Subject: [PATCH] some minor fixe

---
 Makefile                          | 6 ++++--
 chapter.mk                        | 8 +++++---
 header.tex                        | 5 +++--
 likelihood/lecture/likelihood.tex | 6 +++---
 4 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/Makefile b/Makefile
index 938a933..0a1723b 100644
--- a/Makefile
+++ b/Makefile
@@ -36,9 +36,11 @@ watchpdf :
 watchscript :
 	while true; do ! make -s -q script && make script; sleep 0.5; done
 
-
-clean :
+cleantex:
 	rm -f *~  $(BASENAME).aux $(BASENAME).log $(BASENAME).out $(BASENAME)-solutions.tex $(BASENAME).toc $(BASENAME).lo?  $(BASENAME).idx $(BASENAME)-term.i* $(BASENAME)-enterm.i* $(BASENAME)-code.i*
+	for sd in $(SUBDIRS); do $(MAKE) -C $$sd/lecture cleantex; done
+
+clean : cleantex
 	for sd in $(SUBDIRS); do $(MAKE) -C $$sd/lecture clean; done
 
 cleanall : clean
diff --git a/chapter.mk b/chapter.mk
index 3c7da22..e2f9044 100644
--- a/chapter.mk
+++ b/chapter.mk
@@ -42,11 +42,13 @@ $(BASENAME)-chapter.pdf : $(BASENAME)-chapter.tex $(BASENAME).tex $(wildcard $(B
 watchchapter :
 	while true; do ! make -q chapter && make chapter; sleep 0.5; done
 
-
-cleanchapter : cleanpythonplots cleangnuplots
+cleantex:
 	rm -f *~ 
 	rm -f $(BASENAME).aux $(BASENAME).log
-	rm -f $(BASENAME)-chapter.aux $(BASENAME)-chapter.log $(BASENAME)-chapter.out $(BASENAME)-chapter.idx $(BASENAME)-chapter-solutions.tex $(BASENAME)-solutions.tex
+	rm -f $(BASENAME)-chapter.aux $(BASENAME)-chapter.log $(BASENAME)-chapter.out $(BASENAME)-chapter.idx $(BASENAME)-solutions.tex $(BASENAME)-solutions.tex
+
+
+cleanchapter : cleanpythonplots cleangnuplots cleantex
 
 
 cleanallchapter : cleanchapter
diff --git a/header.tex b/header.tex
index a016de6..458ed26 100644
--- a/header.tex
+++ b/header.tex
@@ -287,10 +287,11 @@
 % - 'here': solutions are printed right after the exercises in the same box
 % - 'chapter': solutions are printed at the end of each chapter
 % - 'end': all solutions are printed at the end of the script
+% if you change this you probably need to run make cleantex before
 %
 \newboolean{showexercisesolutions}
 \setboolean{showexercisesolutions}{true}
-\newcommand{\exercisesolutions}{end}  % 0: here, 1: chapter, 2: end
+\newcommand{\exercisesolutions}{chapter}  % 0: here, 1: chapter, 2: end
 % we need this also as numbers:
 \ifthenelse{\equal{\exercisesolutions}{end}}{\newcommand{\exercisesolutionsnum}{2}}{%
   \ifthenelse{\equal{\exercisesolutions}{chapter}}{\newcommand{\exercisesolutionsnum}{1}}{%
@@ -316,7 +317,7 @@
 \ifnum\exercisesolutionsnum=2
   \def\currentjobname{\jobname}
   \immediate\openout\solutions=\currentjobname-solutions
-  \def\exercisechapter#1{\immediate\write\solutions{\unexpanded{\section}{\thechapter. #1}}}
+  \def\exercisechapter#1{\immediate\write\solutions{\unexpanded{\pagebreak[3]\section}{\thechapter. #1}}}
 \else
   \def\exercisechapter#1{}
 \fi
diff --git a/likelihood/lecture/likelihood.tex b/likelihood/lecture/likelihood.tex
index 492beb0..a505450 100644
--- a/likelihood/lecture/likelihood.tex
+++ b/likelihood/lecture/likelihood.tex
@@ -300,13 +300,13 @@ the correlation coefficient $r_{x,y}$,
 \eqnref{correlationcoefficient}, is the covariance normalized by the
 product of the standard deviations of $x$ and $y$,
 respectively. Therefore, in case the standard deviations equal one,
-the correlation coefficient equals the covariance.  Consequently, for
-standardized data the slope of the regression line
+the correlation coefficient is identical to the covariance.
+Consequently, for standardized data the slope of the regression line
 \eqnref{whitemleslope} simplifies to
 \begin{equation}
   \theta = \frac{1}{n} \sum_{i=1}^n x_i y_i = \text{cov}(x,y) = r_{x,y}
 \end{equation}
-For standardized data the slope of the regression line equals the
+For standardized data the slope of the regression line is the same as the
 correlation coefficient!