Chapter 2 Working with DaqLab
73
h. Click
OK.
2.6.8.
Available Analysis Tools
This section includes a brief description of each of DaqLab
’
s analysis functions.
1. Curve Fit
Linear
b
ax
y
+
=
Draws a line of linear least square fit
Polynomial
n
n
n
a
x
a
x
a
y
+
+
+
=
−
L
1
1
0
Draws a line of polynomial least square fit (you must select an order between 1 and
6.)
Power
n
x
a
y
=
Draws a line of power least square fit
Exponential
bx
ae
y
=
Draws a line of exponential least square fit
DaqLab displays the curve fit equation and the correlation coefficient (R
2
) on the information bar below
the graph.
2. Averaging
The average function replaces every point with the average of
n
neighboring points from both sides of
the point.
Low averaging:
5
=
n
, Medium averaging:
11
=
n
, High averaging:
41
=
n
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