diff --git a/panoramix/bin/panoramix b/panoramix/bin/panoramix
index cf1b09a83d45b..943e10b9107af 100755
--- a/panoramix/bin/panoramix
+++ b/panoramix/bin/panoramix
@@ -72,7 +72,7 @@ def load_examples(sample):
     with gzip.open(config.get("BASE_DIR") + '/data/birth_names.csv.gz') as f:
         bb_csv = csv.reader(f)
         for i, (state, year, name, gender, num) in enumerate(bb_csv):
-            if i == 0:
+            if i == 0 or year < "1965":  # jumpy data before 1965
                 continue
             if num == "NA":
                 num = 0
diff --git a/panoramix/forms.py b/panoramix/forms.py
index 5045eb93d0a45..49c615324bcf6 100644
--- a/panoramix/forms.py
+++ b/panoramix/forms.py
@@ -118,7 +118,7 @@ def form_factory(viz):
             "Range Selector", default=True,
             description="Whether to display the time range interactive selector"),
         'show_legend': BooleanField(
-            "Legend", default=True,
+            "Legend", default=True, false_values=["f"],
             description="Whether to display the legend (toggles)"),
         'rich_tooltip': BooleanField(
             "Rich Tooltip", default=True,
diff --git a/panoramix/templates/panoramix/viz.html b/panoramix/templates/panoramix/viz.html
index c7d0a92b30b92..9fb32b2ad986f 100644
--- a/panoramix/templates/panoramix/viz.html
+++ b/panoramix/templates/panoramix/viz.html
@@ -1,9 +1,9 @@
 {% import viz.template as viz_macros %}
 
-{% if viz.args.get("json") == "true" %}
+{% if viz.form_data.get("json") == "true" %}
   {{ viz.get_json() }}
 {% else %}
-  {% if viz.args.get("standalone") == "true" %}
+  {% if viz.form_data.get("standalone") == "true" %}
     {% extends 'panoramix/viz_standalone.html' %}
   {% else %}
     {% extends 'panoramix/datasource.html' %}
@@ -16,7 +16,7 @@
 
   {% block head_css %}
       {{super()}}
-      {% if viz.args.get("skip_libs") != "true" %}
+      {% if viz.form_data.get("skip_libs") != "true" %}
           {% for css in viz.css_files %}
               <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename=css) }}">
           {% endfor %}
@@ -27,7 +27,7 @@
 
   {% block tail %}
       {{super()}}
-      {% if viz.args.get("skip_libs") != "true" %}
+      {% if viz.form_data.get("skip_libs") != "true" %}
       <script src="{{ url_for("static", filename="d3.min.js") }}"></script>
       <script>
           f = d3.format(".4s");
diff --git a/panoramix/templates/panoramix/viz_nvd3.html b/panoramix/templates/panoramix/viz_nvd3.html
index 478122028bd28..17404d2396a33 100644
--- a/panoramix/templates/panoramix/viz_nvd3.html
+++ b/panoramix/templates/panoramix/viz_nvd3.html
@@ -37,13 +37,14 @@
         nv.addGraph(function() {
           // chart_type is {{ viz.chart_type }}
           {% if viz.chart_type == 'line' %}
-            {% if viz.args.show_brush == 'y' %}
+            {% if viz.form_data.show_brush == 'y' %}
               var chart = nv.models.lineWithFocusChart()
               var xext = chart.xAxis.scale().domain();
               chart
                 .x2Axis
                 .tickFormat(function (d) {return tickMultiFormat(UTC(new Date(d))); })
                 .tickValues([]);
+              chart.y2Axis.tickFormat(d3.format('.3s'));
             {% else %}
               var chart = nv.models.lineChart()
             {% endif %}
@@ -51,9 +52,10 @@
             chart.xAxis
               .showMaxMin(false)
               .tickFormat(function (d) {return tickMultiFormat(new Date(d)); });
-            chart.showLegend({{ "{}".format(viz.args.show_legend=='y')|lower }});
+            chart.showLegend({{ "{}".format(viz.form_data.show_legend=='y')|lower }});
             chart.yAxis.tickFormat(d3.format('.3s'));
-            {% if viz.args.contribution=='y' or viz.args.get("num_period_compare") %}
+
+            {% if viz.form_data.contribution=='y' or viz.form_data.get("num_period_compare") %}
               chart.yAxis.tickFormat(d3.format('.3p'));
               chart.y2Axis.tickFormat(d3.format('.3p'));
             {% endif %}
@@ -69,8 +71,8 @@
 
           {% elif viz.chart_type == 'pie' %}
             var chart = nv.models.pieChart()
-            chart.showLegend({{ "{}".format(viz.args.show_legend=='y')|lower }});
-            {% if viz.args.donut=='y' %}
+            chart.showLegend({{ "{}".format(viz.form_data.show_legend=='y')|lower }});
+            {% if viz.form_data.donut=='y' %}
               chart.donut(true);
               chart.donutLabelsOutside(true);
             {% endif %}
@@ -89,14 +91,14 @@
             chart.xAxis
               .showMaxMin(false)
               .tickFormat(function (d) {return tickMultiFormat(new Date(d)); });
-            chart.showLegend({{ "{}".format(viz.args.show_legend=='y')|lower }});
+            chart.showLegend({{ "{}".format(viz.form_data.show_legend=='y')|lower }});
             chart.yAxis.tickFormat(d3.format('.3p'));
 
           {% elif viz.chart_type == 'bubble' %}
             var chart = nv.models.scatterChart();
             chart.xAxis.tickFormat(d3.format('.3s'));
             chart.yAxis.tickFormat(d3.format('.3s'));
-            chart.showLegend({{ "{}".format(viz.args.show_legend=='y')|lower }});
+            chart.showLegend({{ "{}".format(viz.form_data.show_legend=='y')|lower }});
             chart.pointRange([5, 5000]);
 
           {% elif viz.chart_type == 'stacked' %}
@@ -105,21 +107,21 @@
             chart.xAxis
               .showMaxMin(false)
               .tickFormat(function (d) {return tickMultiFormat(new Date(d)); });
-            chart.showLegend({{ "{}".format(viz.args.show_legend=='y')|lower }});
+            chart.showLegend({{ "{}".format(viz.form_data.show_legend=='y')|lower }});
             chart.yAxis.tickFormat(d3.format('.3s'));
 
           {% endif %}
 
-          {% if viz.chart_type in ("line", "stacked") and viz.args.rich_tooltip == 'y' %}
+          {% if viz.chart_type in ("line", "stacked") and viz.form_data.rich_tooltip == 'y' %}
             chart.useInteractiveGuideline(true);
           {% endif %}
-          {% if viz.args.y_axis_zero == 'y' %}
+          {% if viz.form_data.y_axis_zero == 'y' %}
             chart.forceY([0, 1]);
-          {% elif viz.args.y_log_scale == 'y' %}
+          {% elif viz.form_data.y_log_scale == 'y' %}
             chart.yScale(d3.scale.log());
           {% endif %}
 
-          {% if viz.args.x_log_scale == 'y' %}
+          {% if viz.form_data.x_log_scale == 'y' %}
             chart.xScale(d3.scale.log());
           {% endif %}
 
diff --git a/panoramix/templates/panoramix/viz_standalone.html b/panoramix/templates/panoramix/viz_standalone.html
index 7ca634b97c063..a79776e42e5ae 100644
--- a/panoramix/templates/panoramix/viz_standalone.html
+++ b/panoramix/templates/panoramix/viz_standalone.html
@@ -1,6 +1,6 @@
 <html>
   <head>
-    {% if viz.args.get("skip_libs") != "true" %}
+    {% if viz.form_data.get("skip_libs") != "true" %}
       {% block head %}
         <script src="{{url_for('appbuilder.static',filename='js/jquery-latest.js')}}"></script>
       {% endblock %}
diff --git a/panoramix/templates/panoramix/viz_table.html b/panoramix/templates/panoramix/viz_table.html
index d787b331f0d53..90c45870d0de3 100644
--- a/panoramix/templates/panoramix/viz_table.html
+++ b/panoramix/templates/panoramix/viz_table.html
@@ -1,5 +1,5 @@
 {% macro viz_html(viz) %}
-  {% if viz.args.get("async") == "true" %}
+  {% if viz.form_data.get("async") == "true" %}
     {% set df = viz.get_df() %}
     <table class="dataframe table table-striped table-bordered table-condensed">
       <thead>
@@ -32,7 +32,7 @@
 {% endmacro %}
 
 {% macro viz_js(viz) %}
-  {% if viz.args.get("async") != "true" %}
+  {% if viz.form_data.get("async") != "true" %}
   <script>
   $( document ).ready(function() {
     var url = "{{ viz.get_url(async="true", standalone="true", skip_libs="true")|safe }}";
diff --git a/panoramix/templates/panoramix/viz_word_cloud.html b/panoramix/templates/panoramix/viz_word_cloud.html
index 93f86a73d2a8f..3381a6c65a948 100644
--- a/panoramix/templates/panoramix/viz_word_cloud.html
+++ b/panoramix/templates/panoramix/viz_word_cloud.html
@@ -10,10 +10,10 @@
   var token = d3.select("#{{ viz.token }}");
   function refresh() {
     var range = [
-      {{ viz.args.get('size_from') or 20 }}, 
-      {{ viz.args.get('size_to') or 100 }}
+      {{ viz.form_data.get('size_from') or 20 }}, 
+      {{ viz.form_data.get('size_to') or 100 }}
     ];
-    var rotation = "{{ viz.args.get("rotation", "random") }}";
+    var rotation = "{{ viz.form_data.get("rotation", "random") }}";
     if (rotation == "square")
       var f_rotation = function() { return ~~(Math.random() * 2) * 90; };
     else if (rotation == "flat")
diff --git a/panoramix/viz.py b/panoramix/viz.py
index fa9b40b12f3af..ff8a1c9889844 100644
--- a/panoramix/viz.py
+++ b/panoramix/viz.py
@@ -31,26 +31,27 @@ class BaseViz(object):
     css_files = []
 
     def __init__(self, datasource, form_data):
-        self.datasource = datasource
-        if isinstance(form_data, MultiDict):
-            self.args = form_data.to_dict(flat=False)
-        else:
-            self.args = form_data
         self.form_data = form_data
-        self.token = self.args.get('token', 'token_' + uuid.uuid4().hex[:8])
+        if isinstance(form_data, MultiDict):
+            self.form_data = form_data.to_dict(flat=False)
+        self.datasource = datasource
+        self.token = self.form_data.get(
+            'token', 'token_' + uuid.uuid4().hex[:8])
 
         as_list = ('metrics', 'groupby')
-        for k, v in self.args.items():
+        for k, v in self.form_data.items():
             if k in as_list and not isinstance(v, list):
-                self.args[k] = [v]
+                self.form_data[k] = [v]
             elif k not in as_list and isinstance(v, list) and v:
-                self.args[k] = v[0]
+                self.form_data[k] = v[0]
+        for i in range(50):
+            print('show_legend' in form_data)
 
-        self.metrics = self.args.get('metrics') or ['count']
-        self.groupby = self.args.get('groupby') or []
+        self.metrics = self.form_data.get('metrics') or ['count']
+        self.groupby = self.form_data.get('groupby') or []
 
     def get_url(self, **kwargs):
-        d = self.args.copy()
+        d = self.form_data.copy()
         if 'action' in d:
             del d['action']
         d.update(kwargs)
@@ -74,21 +75,20 @@ def get_df(self):
 
     @property
     def form(self):
-        return self.form_class(**self.args)
-        return self.form_class(self.form_data)
+        return self.form_class(**self.form_data)
 
     @property
     def form_class(self):
         return form_factory(self)
 
     def query_filters(self):
-        args = self.args
+        form_data = self.form_data
         # Building filters
         filters = []
         for i in range(1, 10):
-            col = args.get("flt_col_" + str(i))
-            op = args.get("flt_op_" + str(i))
-            eq = args.get("flt_eq_" + str(i))
+            col = form_data.get("flt_col_" + str(i))
+            op = form_data.get("flt_op_" + str(i))
+            eq = form_data.get("flt_eq_" + str(i))
             if col and op and eq:
                 filters.append((col, op, eq))
         return filters
@@ -100,21 +100,21 @@ def query_obj(self):
         """
         Building a query object
         """
-        args = self.args
-        groupby = args.get("groupby") or []
-        metrics = args.get("metrics") or ['count']
-        granularity = args.get("granularity", "1 day")
+        form_data = self.form_data
+        groupby = form_data.get("groupby") or []
+        metrics = form_data.get("metrics") or ['count']
+        granularity = form_data.get("granularity", "1 day")
         if granularity != "all":
             granularity = utils.parse_human_timedelta(
                 granularity).total_seconds() * 1000
-        limit = int(args.get("limit", 0))
+        limit = int(form_data.get("limit", 0))
         row_limit = int(
-            args.get("row_limit", config.get("ROW_LIMIT")))
-        since = args.get("since", "1 year ago")
+            form_data.get("row_limit", config.get("ROW_LIMIT")))
+        since = form_data.get("since", "1 year ago")
         from_dttm = utils.parse_human_datetime(since)
         if from_dttm > datetime.now():
             from_dttm = datetime.now() - (from_dttm-datetime.now())
-        until = args.get("until", "now")
+        until = form_data.get("until", "now")
         to_dttm = utils.parse_human_datetime(until)
         if from_dttm >= to_dttm:
             flash("The date range doesn't seem right.", "danger")
@@ -123,7 +123,7 @@ def query_obj(self):
         # extras are used to query elements specific to a datasource type
         # for instance the extra where clause that applies only to Tables
         extras = {
-            'where': args.get("where", '')
+            'where': form_data.get("where", '')
         }
         d = {
             'granularity': granularity,
@@ -197,10 +197,10 @@ class WordCloudViz(BaseViz):
     def query_obj(self):
         d = super(WordCloudViz, self).query_obj()
         d['granularity'] = 'all'
-        metric = self.args.get('metric')
+        metric = self.form_data.get('metric')
         if not metric:
             raise Exception("Pick a metric!")
-        d['metrics'] = [self.args.get('metric')]
+        d['metrics'] = [self.form_data.get('metric')]
         d['groupby'] = [d['groupby'][0]]
         return d
 
@@ -232,18 +232,18 @@ class BubbleViz(NVD3Viz):
     ]
 
     def query_obj(self):
-        args = self.form_data
+        form_data = self.form_data
         d = super(BubbleViz, self).query_obj()
         d['granularity'] = 'all'
         d['groupby'] = list({
-            args.get('series'),
-            args.get('entity')
+            form_data.get('series'),
+            form_data.get('entity')
         })
-        self.x_metric = args.get('x')
-        self.y_metric = args.get('y')
-        self.z_metric = args.get('size')
-        self.entity = args.get('entity')
-        self.series = args.get('series')
+        self.x_metric = form_data.get('x')
+        self.y_metric = form_data.get('y')
+        self.z_metric = form_data.get('size')
+        self.entity = form_data.get('entity')
+        self.series = form_data.get('series')
         d['metrics'] = [
             self.z_metric,
             self.x_metric,
@@ -292,23 +292,23 @@ class BigNumberViz(BaseViz):
 
     def query_obj(self):
         d = super(BigNumberViz, self).query_obj()
-        metric = self.args.get('metric')
+        metric = self.form_data.get('metric')
         if not metric:
             raise Exception("Pick a metric!")
-        d['metrics'] = [self.args.get('metric')]
+        d['metrics'] = [self.form_data.get('metric')]
         return d
 
     def get_json(self):
-        args = self.args
+        form_data = self.form_data
         df = self.get_df()
         df = df.sort(columns=df.columns[0])
         df['timestamp'] = df[[0]].astype(np.int64) // 10**9
-        compare_lag = args.get("compare_lag", "")
+        compare_lag = form_data.get("compare_lag", "")
         compare_lag = int(compare_lag) if compare_lag.isdigit() else 0
         d = {
             'data': df.values.tolist(),
             'compare_lag': compare_lag,
-            'compare_suffix': args.get('compare_suffix', ''),
+            'compare_suffix': form_data.get('compare_suffix', ''),
         }
         return json.dumps(d)
 
@@ -330,7 +330,7 @@ class NVD3TimeSeriesViz(NVD3Viz):
     ]
 
     def get_df(self):
-        args = self.args
+        form_data = self.form_data
         df = super(NVD3TimeSeriesViz, self).get_df()
         df = df.fillna(0)
         metrics = self.metrics
@@ -344,7 +344,7 @@ def get_df(self):
             dfs.sort(ascending=False)
             df = df[dfs.index]
 
-        if self.args.get("contribution") == "y":
+        if self.form_data.get("contribution") == "y":
             dft = df.T
             df = (dft / dft.sum()).T
 
@@ -354,8 +354,8 @@ def get_df(self):
             df = df / df.shift(num_period_compare)
             df = df[num_period_compare:]
 
-        rolling_periods = args.get("rolling_periods")
-        rolling_type = args.get("rolling_type")
+        rolling_periods = form_data.get("rolling_periods")
+        rolling_type = form_data.get("rolling_type")
         if rolling_periods and rolling_type:
             if rolling_type == 'mean':
                 df = pd.rolling_mean(df, int(rolling_periods))