ahurriyetoglu · August 29, 2015 14:17 · Mar 28, 2015
diff --git a/plot_correlogram.py b/plot_correlogram.py
@@ -0,0 +1,28 @@
+def plot_correlogram(df,figsize=(20,20)):
+    ''' Creat an n x n matrix of scatter plots for every
+    combination of numeric columns in a dataframe'''
+
+    cols = list(df.columns[df.dtypes=='float64'])
+    n = len(cols)
+    fig, ax = plt.subplots(n,n,figsize=figsize)
+    for i,y in enumerate(cols):
+        for j,x in enumerate(cols):
+            if i != n-1:
+                ax[i,j].xaxis.set_ticklabels([])
+            if j != 0:
+                ax[i,j].yaxis.set_ticklabels([])
+            if i != j:
+                try:
+                    tmp = df[[x,y]].copy()
+                    tmp.dropna(inplace=True)
+                    ax[i,j].plot(tmp[x].values,tmp[y].values,'.',markersize=0.5,alpha=0.5,color='black')
+                except:
+                    pass
+            else:
+                midx = df[x].min() + (df[x].max() - df[x].min())/2.0
+                midy = df[y].min() + (df[y].max() - df[y].min())/2.0
+                ax[i,j].text(midx, midy, y.replace(' ','\n'),
+                    horizontalalignment='center',
+                    verticalalignment='center')
+            ax[i,j].set_ylim((df[y].min(),df[y].max()))
+            ax[i,j].set_xlim((df[x].min(),df[x].max()))