diff --git a/JFSphoto.py b/JFSphoto.py
index fc54a8a..6918fc7 100644
--- a/JFSphoto.py
+++ b/JFSphoto.py
@@ -21,6 +21,7 @@ from matplotlib.ticker import LinearLocator, FormatStrFormatter
 from mpl_toolkits.mplot3d import Axes3D
 from tkinter import ttk
 import CCDpanelsetup as panel
+from sklearn.metrics import r2_score
 ####################################### object
 class Messurement(object):
     ### nr -> na
@@ -585,6 +586,12 @@ class Jfsphoto (object):
 
     def do_methods(self,panel):
 
+        font = {'family': 'serif',
+        'color':  'darkred',
+        'weight': 'normal',
+        'size': 8,
+        }
+
         def waitfor():
             pass
         
@@ -619,15 +626,26 @@ class Jfsphoto (object):
             x = []
             name = tree.selection()
             for child in tree.get_children(name):
-                x.append(tree.item(child)["values"][2])
-                y.append(tree.item(child)["values"][3])
-            print(x,y)
-            
-
+                x.append(float(tree.item(child)["values"][2]))
+                y.append(float(tree.item(child)["values"][3]))
+            ax1.clear()
+            model = np.polyfit(x,y,1)
+            predict = np.poly1d(model)
+            x_range = np.linspace(x[0],x[-1])
+            y_range = predict(x_range)
+            ax1.plot(x_range,y_range,linewidth=0.6)
+            ax1.plot(x, y, '+')
+            ax1.set_title(f'{name[0]}',fontdict=font)
+            ax1.text(x[0], 1, f'A vs {tree.item(name)["values"][2]}',fontdict=font)
+            ax1.text(x[0], 0.9, f'y = {round(model[0],3)}x + {round(model[1],3)}',fontdict=font)
+            ax1.text(x[0], 0.8, f'R ={round(r2_score(y,predict(x)),3)}',fontdict=font)
+            #ax1.text(x[0], 0.9, r'Omega: {s} $\Omega$', {'color': 'b', 'fontsize': 8})
+            canvas.draw()
 
         win = tk.Toplevel() 
-        tree = ttk.Treeview(win)
-
+        lf = tk.LabelFrame(win,text='Methods')
+        lf.grid(column=0,row=0,sticky='w')
+        tree = ttk.Treeview(lf)
         tree.tag_bind('cb','<<TreeviewSelect>>',cb)
         tree.tag_bind('cb2','<<TreeviewSelect>>',cb2)
         tree.grid(column=0,row=0)
@@ -645,10 +663,7 @@ class Jfsphoto (object):
         tree.heading("konz",text='conc',anchor=tk.W) 
         tree.heading("absorbanz",text="Absorbanz",anchor=tk.W)
         tree.heading("interval",text='intervall',anchor=tk.W) 
-        tree.heading("last",text='last conc',anchor=tk.W) 
-
-        
-            
+        tree.heading("last",text='last conc',anchor=tk.W)            
 
         einheiten = ['Mol','mmol','mymol']
         
@@ -736,18 +751,17 @@ class Jfsphoto (object):
         lb3 = tk.Button(lf1,text='Save Methods',command=save_tree)
         lb3.grid(column=0,row=7,sticky='w')
         #### canvas
-        lf2 = tk.LabelFrame(win,text='Canvas')
-        lf2.grid(column=1,row=0,sticky='w')
-        fig = plt.Figure(figsize=(3,2),dpi=120)
-        plt.rc('legend',fontsize=8)
+        fig = plt.Figure(figsize=(4,2),dpi=100)
         ax1 = fig.add_subplot(111)
-        canvas = FigureCanvasTkAgg(fig, master = lf2)
+        canvas = FigureCanvasTkAgg(fig, master = win )
+        canvas.get_tk_widget().grid(column=1,row=0,sticky='nesw')
+        #### test output
         t = arange(0.0, 3.0, 0.01)
-        s = sin(2*pi*t)
+        s = sin(2*pi*t) 
         ax1.plot(t, s, linewidth=0.6)
         canvas.draw()
-
-
+        #### do messurements
+        #### go on
         load_tree()
         
         win.focus_set()