diff --git a/init.lua b/init.lua
index d9220e8..24ff898 100644
--- a/init.lua
+++ b/init.lua
@@ -31,13 +31,13 @@ local FORMSPEC_HEADER_COLOR = "#000000FF"
 -- Buckets to use for the histogram
 local HISTOGRAM_BUCKETS = 10
 
--- Length of side (XZ) of the square to calculate in the Deep Analyze mode.
+-- Length of side (XZ) of the square to calculate for the statistics screen.
 -- Number of values calculated is this to the power of 2.
-local DEEP_ANALYSIS_SIZE_2D = 2048
+local STATISTICS_SIZE_2D = 2048
 
--- Length of side (XZZ) of the cube to calculate in the Deep Analyze mode.
+-- Length of side (XYZ) of the cube to calculate for the statistics screen.
 -- Number of values calculated is this to the power of 3.
-local DEEP_ANALYSIS_SIZE_3D = 162 -- 163^3 is roughly equal to 2048
+local STATISTICS_SIZE_3D = 162 -- 163^3 is roughly equal to 2048
 
 local S = minetest.get_translator("perlin_explorer")
 local F = minetest.formspec_escape
@@ -892,10 +892,10 @@ local show_histogram_formspec = function(player, stats)
 	local vmin, vmax
 	if current_perlin.dimensions == 2 then
 		vmin = S("(@1,@2)", 0,0)
-		vmax = S("(@1,@2)", DEEP_ANALYSIS_SIZE_2D, DEEP_ANALYSIS_SIZE_2D)
+		vmax = S("(@1,@2)", STATISTICS_SIZE_2D, STATISTICS_SIZE_2D)
 	else
 		vmin = S("(@1,@2,@3)", 0,0,0)
-		vmax = S("(@1,@2,@3)", DEEP_ANALYSIS_SIZE_3D, DEEP_ANALYSIS_SIZE_3D, DEEP_ANALYSIS_SIZE_3D)
+		vmax = S("(@1,@2,@3)", STATISTICS_SIZE_3D, STATISTICS_SIZE_3D, STATISTICS_SIZE_3D)
 	end
 	local labels = "textarea[0,0;10,2;;;"..
 		F(S("Values were picked between coordinates @1 and @2.", vmin, vmax)).."\n"..
@@ -1100,7 +1100,7 @@ local show_noise_formspec = function(player, noiseparams, profile_id)
 		label[0.15,0.2;]]..F(S("Noise options"))..[[]
 		dropdown[0.25,0.7;1,0.75;dimensions;]]..F(S("2D"))..[[,]]..F(S("3D"))..[[;]]..dimensions_index..[[;true]
 		field[2.25,0.7;2,0.75;sidelen;]]..F(S("Pixelization"))..[[;]]..sidelen..[[]
-		button[6.25,0.7;2.0,0.6;deep_analyze;]]..F(S("Statistics"))..[[]
+		button[6.25,0.7;2.0,0.6;statistics;]]..F(S("Statistics"))..[[]
 		tooltip[sidelen;]]..F(S("If higher than 1, Perlin values will be repeated along all axes every x nodes, for a ‘pixelized’ effect."))..[[]
 		container_end[]
 
@@ -1164,14 +1164,14 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		return
 	end
 
-	-- Start deep analysis
-	if fields.deep_analyze then
+	-- Start statistics calculation
+	if fields.statistics then
 		local pos = vector.zero()
 		local size
 		if current_perlin.dimensions == 2 then
-			size = DEEP_ANALYSIS_SIZE_2D
+			size = STATISTICS_SIZE_2D
 		else -- 3 dimensions
-			size = DEEP_ANALYSIS_SIZE_3D
+			size = STATISTICS_SIZE_3D
 		end
 		-- Show a loading formspec
 		show_histogram_loading_formspec(player)