diff --git a/data/reeves_gradient_width_various_methods.csv b/data/reeves_gradient_width_various_methods.csv
new file mode 100644
index 00000000..dbcf613d
--- /dev/null
+++ b/data/reeves_gradient_width_various_methods.csv
@@ -0,0 +1,164 @@
+# Raw data from Reeves, et al., Dev. Cell, 22, 544, 2012.
+#
+# These data were used to create figure 1F.
+#
+# The first row of column headings contains the genotypes.
+# The second row contains the staining/visualization method.
+# The data give the computed gradient width as parametrized by
+# sigma (see the original paper).
+#
+# Kindly provided by Greg Reeves (NC State) and Nathanie Trisnadi and Angela Stathopoulos (Caltech)
+wt,wt,dl1/+; dl-venus/+,dl1/+; dl-venus/+,dl1/+; dl-venus/+,dl1/+; dl-gfp/+,dl1/+; dl-gfp/+,dl1/+; dl-gfp/+
+wholemounts,cross-sections,anti-Dorsal,anti-Venus,Venus (live),anti-Dorsal,anti-GFP,GFP (live)
+0.1288,0.1327,0.1482,0.1632,0.1666,0.2248,0.2389,0.2412
+0.1554,0.1457,0.1503,0.1671,0.1753,0.1891,0.2035,0.1942
+0.1306,0.1447,0.1577,0.1704,0.1705,0.1705,0.1943,0.2186
+0.1413,0.1282,0.1711,0.1779,,0.1735,0.2,0.2104
+0.1557,0.1487,0.1342,0.1483,,0.2135,0.256,0.2463
+0.1689,0.1203,0.1773,0.1831,,0.2129,0.2309,0.202
+0.1417,0.1315,0.1705,0.1783,,0.1782,0.1949,
+0.1315,0.1463,0.1596,0.1667,,0.2011,0.2216,
+0.1664,0.1458,0.1601,0.178,,0.1931,0.23,
+0.156,0.1402,0.1553,0.1653,,0.2146,0.2682,
+0.1479,0.133,0.1675,0.1708,,0.2398,0.2633,
+0.1475,0.1375,0.1692,0.178,,0.2193,0.2495,
+0.1347,0.1576,0.1584,0.174,,0.2112,0.2353,
+0.1129,0.1498,0.1546,0.1739,,0.2516,0.2642,
+0.125,0.1532,0.1605,0.1812,,0.1759,0.2238,
+0.1648,0.1352,0.1754,0.1902,,0.1787,0.2115,
+0.1555,0.1346,0.161,0.178,,0.164,0.1934,
+0.1403,0.1364,0.1491,0.1624,,0.1756,0.2041,
+0.1096,0.143,0.1442,0.1553,,0.1977,0.2286,
+0.1779,0.144,0.1728,0.1768,,0.1809,0.2104,
+0.1244,0.1805,0.1534,0.1701,,,,
+0.1708,0.1688,0.1576,0.1724,,,,
+0.1691,0.1532,0.1701,0.1738,,,,
+0.13,0.1681,0.1436,0.1703,,,,
+,0.1442,0.1746,0.1842,,,,
+,0.1362,0.1698,0.172,,,,
+,0.1391,0.171,0.1807,,,,
+,0.1606,0.1555,0.1796,,,,
+,0.1742,0.1616,0.1759,,,,
+,0.1335,,,,,,
+,0.1347,,,,,,
+,0.1404,,,,,,
+,0.1524,,,,,,
+,0.1469,,,,,,
+,0.1365,,,,,,
+,0.1433,,,,,,
+,0.1358,,,,,,
+,0.1643,,,,,,
+,0.1371,,,,,,
+,0.1141,,,,,,
+,0.1436,,,,,,
+,0.1223,,,,,,
+,0.1459,,,,,,
+,0.1368,,,,,,
+,0.1376,,,,,,
+,0.1601,,,,,,
+,0.1309,,,,,,
+,0.1305,,,,,,
+,0.1562,,,,,,
+,0.1577,,,,,,
+,0.154,,,,,,
+,0.1443,,,,,,
+,0.1364,,,,,,
+,0.1344,,,,,,
+,0.1315,,,,,,
+,0.1572,,,,,,
+,0.1441,,,,,,
+,0.1399,,,,,,
+,0.1497,,,,,,
+,0.1647,,,,,,
+,0.1629,,,,,,
+,0.1194,,,,,,
+,0.1296,,,,,,
+,0.1574,,,,,,
+,0.1365,,,,,,
+,0.1759,,,,,,
+,0.1522,,,,,,
+,0.1535,,,,,,
+,0.1398,,,,,,
+,0.1453,,,,,,
+,0.1569,,,,,,
+,0.1582,,,,,,
+,0.174,,,,,,
+,0.1781,,,,,,
+,0.1488,,,,,,
+,0.1663,,,,,,
+,0.1699,,,,,,
+,0.173,,,,,,
+,0.1655,,,,,,
+,0.1341,,,,,,
+,0.1014,,,,,,
+,0.162,,,,,,
+,0.1704,,,,,,
+,0.1499,,,,,,
+,0.1648,,,,,,
+,0.1397,,,,,,
+,0.1745,,,,,,
+,0.1684,,,,,,
+,0.1399,,,,,,
+,0.1512,,,,,,
+,0.1793,,,,,,
+,0.1581,,,,,,
+,0.1515,,,,,,
+,0.1465,,,,,,
+,0.162,,,,,,
+,0.1581,,,,,,
+,0.1559,,,,,,
+,0.147,,,,,,
+,0.1445,,,,,,
+,0.1673,,,,,,
+,0.1703,,,,,,
+,0.154,,,,,,
+,0.16,,,,,,
+,0.1147,,,,,,
+,0.1317,,,,,,
+,0.1685,,,,,,
+,0.1415,,,,,,
+,0.1575,,,,,,
+,0.1524,,,,,,
+,0.1374,,,,,,
+,0.1596,,,,,,
+,0.1159,,,,,,
+,0.1104,,,,,,
+,0.1368,,,,,,
+,0.1621,,,,,,
+,0.1117,,,,,,
+,0.1563,,,,,,
+,0.158,,,,,,
+,0.146,,,,,,
+,0.1174,,,,,,
+,0.155,,,,,,
+,0.1327,,,,,,
+,0.1443,,,,,,
+,0.1329,,,,,,
+,0.1567,,,,,,
+,0.1388,,,,,,
+,0.1449,,,,,,
+,0.1548,,,,,,
+,0.1727,,,,,,
+,0.142,,,,,,
+,0.1735,,,,,,
+,0.1641,,,,,,
+,0.1756,,,,,,
+,0.1691,,,,,,
+,0.1599,,,,,,
+,0.1271,,,,,,
+,0.1468,,,,,,
+,0.149,,,,,,
+,0.1706,,,,,,
+,0.1283,,,,,,
+,0.1325,,,,,,
+,0.1663,,,,,,
+,0.1325,,,,,,
+,0.1529,,,,,,
+,0.1682,,,,,,
+,0.1557,,,,,,
+,0.1577,,,,,,
+,0.1466,,,,,,
+,0.1671,,,,,,
+,0.1265,,,,,,
+,0.1448,,,,,,
+,0.174,,,,,,
\ No newline at end of file