diff --git a/generate_plots_MKGF.py b/generate_plots_MKGF.py
index 9d561ab..7469edb 100644
--- a/generate_plots_MKGF.py
+++ b/generate_plots_MKGF.py
@@ -55,6 +55,21 @@ folderPath = f"../{date}/"
 #folderPath = f"G:/Meine Ablage/Masterthesis/{date}/"
 mkdir_p(folderPath)
 
+# remove any data that has no period
+data = data[(data["FitType"] == "sine") | (data["FitType"] == "poly")]
+
+# remove data with multiple minima/maxima present
+filterArray = []
+for ind, row in data.reset_index().iterrows():
+    if(len(row["pdcsapPeriodMinima"]) == len(row["pdcsapPeriodMaxima"]) and
+       len(row["pdcsapPeriodMinima"]) == 1):
+        filterArray.append(True)
+    else:
+        filterArray.append(False)
+
+filterArray = np.array(filterArray)
+data = data[filterArray]
+
 for comboLength in range(1, len(spType) + 1):
     for combo in itertools.combinations(spType, comboLength):
         for maxFlarePeak in [1.01, 1.05, 1.1, 1.25, 1.5]: