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====== Differences ====== This shows you the differences between two versions of the page.

--- gibson:teaching:fall-2014:math445:lecture6-diary [2014/09/18 12:19]
gibson [Graphical data analysis of log-linear relations]
+++ gibson:teaching:fall-2014:math445:lecture6-diary [2014/09/18 12:21] (current)
gibson [Graphical data analysis of log-linear relations]
@@ Line 191: / Line 191: @@
 ===== Graphical data analysis of log-linear relations =====
-<code matlab>
+==== example 1: a linear relationship ====
-% =======================================================================
-% Ok. Let's move on the graphical data analysis
+<code matlab>
 % Load datafile 'data1.asc' into matlab with 'load' command
 >> D = load('data1.asc');
@@ Line 271: / Line 270: @@
 <code matlab>
-% Perfect! The functional relation between y and x is y = -0.49 x + 19
+% Perfect! So the functional relation between y and x is y = -0.49 x + 19
+</code>
+==== example 2: a log-linear relationship ====
-% Ok, let's move on the the next data file and try to figure out its y = f(x) relation.
+<code matlab>
+% Load the next data file and try to figure out its y = f(x) relation.
 >> D = load('data3.asc');
 >> xdata = D(:,1);