diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index e34b9e4..bbf75d2 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -3,8 +3,6 @@
   <component name="ChangeListManager">
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       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/def_calc_sdg_conc.py" beforeDir="false" afterPath="$PROJECT_DIR$/def_calc_sdg_conc.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/translation.Rmd" beforeDir="false" afterPath="$PROJECT_DIR$/translation.Rmd" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -24,7 +22,7 @@
   <component name="Git.Settings">
     <option name="RECENT_BRANCH_BY_REPOSITORY">
       <map>
-        <entry key="$PROJECT_DIR$" value="rodrmd99-patch-1" />
+        <entry key="$PROJECT_DIR$" value="master" />
       </map>
     </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
@@ -52,8 +50,8 @@
     <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
     <property name="settings.editor.selected.configurable" value="com.jetbrains.python.configuration.PyActiveSdkModuleConfigurable" />
   </component>
-  <component name="RunManager" selected="Python.Concentration">
-    <configuration name="Concentration" type="PythonConfigurationType" factoryName="Python" temporary="true">
+  <component name="RunManager" selected="Python.Python 3.7">
+    <configuration name="Python 3.7" type="PythonConfigurationType" factoryName="Python" temporary="true">
       <module name="NEON-DissolvedGas" />
       <option name="INTERPRETER_OPTIONS" value="" />
       <option name="PARENT_ENVS" value="true" />
@@ -65,6 +63,27 @@
       <option name="IS_MODULE_SDK" value="false" />
       <option name="ADD_CONTENT_ROOTS" value="true" />
       <option name="ADD_SOURCE_ROOTS" value="true" />
+      <option name="SCRIPT_NAME" value="$PROJECT_DIR$/def_calc_sdg_conc.py" />
+      <option name="PARAMETERS" value="" />
+      <option name="SHOW_COMMAND_LINE" value="false" />
+      <option name="EMULATE_TERMINAL" value="false" />
+      <option name="MODULE_MODE" value="false" />
+      <option name="REDIRECT_INPUT" value="false" />
+      <option name="INPUT_FILE" value="" />
+      <method v="2" />
+    </configuration>
+    <configuration name="SDG_FORLOOP_WITHTRYCATCH_TEMPLATE.PY" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
+      <module name="NEON-DissolvedGas" />
+      <option name="INTERPRETER_OPTIONS" value="" />
+      <option name="PARENT_ENVS" value="true" />
+      <envs>
+        <env name="PYTHONUNBUFFERED" value="1" />
+      </envs>
+      <option name="SDK_HOME" value="" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <option name="IS_MODULE_SDK" value="true" />
+      <option name="ADD_CONTENT_ROOTS" value="true" />
+      <option name="ADD_SOURCE_ROOTS" value="true" />
       <option name="SCRIPT_NAME" value="$PROJECT_DIR$/SDG_FORLOOP_WITHTRYCATCH_TEMPLATE.PY" />
       <option name="PARAMETERS" value="" />
       <option name="SHOW_COMMAND_LINE" value="false" />
@@ -74,19 +93,19 @@
       <option name="INPUT_FILE" value="" />
       <method v="2" />
     </configuration>
-    <configuration name="testing" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
+    <configuration name="def_calc_sdg_sat" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="NEON-DissolvedGas" />
       <option name="INTERPRETER_OPTIONS" value="" />
       <option name="PARENT_ENVS" value="true" />
       <envs>
         <env name="PYTHONUNBUFFERED" value="1" />
       </envs>
-      <option name="SDK_HOME" value="$USER_HOME$/venv/bin/python" />
+      <option name="SDK_HOME" value="" />
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="IS_MODULE_SDK" value="false" />
+      <option name="IS_MODULE_SDK" value="true" />
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       <option name="ADD_SOURCE_ROOTS" value="true" />
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@@ -96,14 +115,15 @@
       <method v="2" />
     </configuration>
     <list>
-      <item itemvalue="Python.Concentration" />
-      <item itemvalue="Python.testing" />
+      <item itemvalue="Python.SDG_FORLOOP_WITHTRYCATCH_TEMPLATE.PY" />
+      <item itemvalue="Python.Python 3.7" />
+      <item itemvalue="Python.def_calc_sdg_sat" />
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-        <item itemvalue="Python.Concentration" />
-        <item itemvalue="Python.testing" />
+        <item itemvalue="Python.Python 3.7" />
+        <item itemvalue="Python.def_calc_sdg_sat" />
+        <item itemvalue="Python.SDG_FORLOOP_WITHTRYCATCH_TEMPLATE.PY" />
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@@ -244,63 +264,35 @@
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       <updated>1595516361979</updated>
     </task>
-    <task id="LOCAL-00019" summary="changes to markdown">
-      <created>1595536794115</created>
+    <task id="LOCAL-00019" summary="add imports">
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       <option name="number" value="00019" />
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       <option name="project" value="LOCAL" />
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       <option name="project" value="LOCAL" />
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-    <task id="LOCAL-00022" summary="deleted imports">
-      <created>1595537432440</created>
+    <task id="LOCAL-00022" summary="changes to translation markdown">
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-    <option name="localTasksCounter" value="27" />
+    <option name="localTasksCounter" value="23" />
     <servers />
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   <component name="Vcs.Log.History.Properties">
@@ -330,17 +322,16 @@
     <MESSAGE value="indexing changes" />
     <MESSAGE value="indexing changes to populate with external lab data and water temperature data" />
     <MESSAGE value="deleted unnecessary files" />
-    <MESSAGE value="changes to markdown" />
-    <MESSAGE value="deleted imports" />
-    <MESSAGE value="changed the name of markdown file" />
-    <MESSAGE value="added imports" />
-    <option name="LAST_COMMIT_MESSAGE" value="added imports" />
+    <MESSAGE value="add imports" />
+    <MESSAGE value="made changes to files" />
+    <MESSAGE value="changes to translation markdown" />
+    <option name="LAST_COMMIT_MESSAGE" value="changes to translation markdown" />
   </component>
   <component name="WindowStateProjectService">
-    <state x="-1496" y="22" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1595536934567">
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@@ -350,46 +341,46 @@
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-    <state width="1899" height="376" key="GridCell.Tab.0.right/0.0.1440.900/-1920.-180.1920.1080@-1920.-180.1920.1080" timestamp="1593814819469" />
+    <state width="1899" height="376" key="GridCell.Tab.0.right/0.0.1440.900/-1920.-180.1920.1080@-1920.-180.1920.1080" timestamp="1595542220179" />
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+    <state x="-1360" y="88" key="Vcs.Push.Dialog.v2" timestamp="1595544104275">
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-    <state x="-1360" y="88" key="Vcs.Push.Dialog.v2/0.0.1440.900/-1920.-180.1920.1080@-1920.-180.1920.1080" timestamp="1595537944806" />
+    <state x="-1360" y="88" key="Vcs.Push.Dialog.v2/0.0.1440.900/-1920.-180.1920.1080@-1920.-180.1920.1080" timestamp="1595544104275" />
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diff --git a/def_calc_sdg_conc.py b/def_calc_sdg_conc.py
index 96700df..ad2851b 100644
--- a/def_calc_sdg_conc.py
+++ b/def_calc_sdg_conc.py
@@ -64,8 +64,10 @@
 
 ##############################################################################################
 import pandas as pd
+from numpy import nan
 import numpy as np
 
+
 def def_calc_sdg_conc(
     inputFile,
     volGas="gasVolume",
@@ -100,11 +102,11 @@ def def_calc_sdg_conc(
 
     ##### Populate mean global values for reference air where it isn't reported #####
 
-    inputFile.loc[:, sourceCO2] = inputFile.loc[:, sourceCO2].replace(np.nan, 405)   # use global mean https://www.esrl.noaa.gov/gmd/ccgg/trends/global.html
+    inputFile.loc[:, sourceCO2] = inputFile.loc[:, sourceCO2].replace(nan, 405)   # use global mean https://www.esrl.noaa.gov/gmd/ccgg/trends/global.html
 
-    inputFile.loc[:, sourceCH4] = inputFile.loc[:, sourceCH4].replace(np.nan, 1.85)  #https://www.esrl.noaa.gov/gmd/ccgg/trends_ch4/
+    inputFile.loc[:, sourceCH4] = inputFile.loc[:, sourceCH4].replace(nan, 1.85)  #https://www.esrl.noaa.gov/gmd/ccgg/trends_ch4/
 
-    inputFile.loc[:, sourceN2O] = inputFile.loc[:, sourceN2O].replace(np.nan, 0.330)  #https://www.esrl.noaa.gov/gmd/hats/combined/N2O.html
+    inputFile.loc[:, sourceN2O] = inputFile.loc[:, sourceN2O].replace(nan, 0.330)  #https://www.esrl.noaa.gov/gmd/hats/combined/N2O.html
 
     ##### Calculate dissolved gas concentration in original water sample #####
     inputFile['dissolvedCO2'] = np.nan
diff --git a/def_calc_sdg_sat.py b/def_calc_sdg_sat.py
index 3f4c86b..303c55a 100644
--- a/def_calc_sdg_sat.py
+++ b/def_calc_sdg_sat.py
@@ -48,13 +48,10 @@
 #' @seealso def_format_sdg.py for formatting dissolved gas data downloaded from NEON
 
 #' @export
-
-# changelog and author contributions / copyrights
-#   Kaelin M. Cawley (2018-04-23)
-#     original creation
 ##############################################################################################
 import pandas as pd
-from numpy import nan, np
+from numpy import nan
+import numpy as np
 
 
 def def_calc_sdg_sat(
diff --git a/def_format_sdg.py b/def_format_sdg.py
index 9753116..5c87977 100644
--- a/def_format_sdg.py
+++ b/def_format_sdg.py
@@ -34,6 +34,13 @@
 #' concentrations and percent saturation, respectively
 
 ##############################################################################################
+import pandas as pd
+import os
+import os.path
+import re
+import numpy as np
+
+
 def def_format_sdg(data_dir=os.getcwd() + '/NEON_dissolved-gases-surfacewater(1).zip'):
 
     ##### Default values ####
diff --git a/translation.Rmd b/translation.Rmd
index a880737..e61c626 100644
--- a/translation.Rmd
+++ b/translation.Rmd
@@ -14,17 +14,31 @@ The following R markdown compares the R to Python scripts by displaying the outp
 R scripts are loaded above the Python script translation. The first data frame corresponds to the formatted data frame, 
 which will be used as the base to both R and Python scripts below. 
 
+---
+Initiation of Python
 
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+```{r}
+library(reticulate)
+use_python("~/venv/bin/python", required = TRUE)
+```
 
+Check if the version of Python you are using is the same as the Python the code was written (correct version: 3.7.7)
+```{python}
+import sys
+print(sys.version)
+```
+---
 Loading devtools library, setting the working dictionary, and installing 'neonDissGas'.
 ```{r}
 library(devtools)
 setwd("~/NEON-dissolved-gas")
 install("neonDissGas", upgrade = "never")
 ```
-R Script
-Formatted Data Frame:
+
+---
+Formatted Data Frame
+
+R Script:
 The data frame below is the output data frame formatted by 'def.format.sdg.R' and will be used by both R and Python's blocks of code below. 
 
 It contains the following columns:
@@ -36,9 +50,7 @@ sdgFormatted <- def.format.sdg(dataDir = "/Users/marcelarodriguez/PycharmProject
 sdgFormatted
 ```
 
-
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-
+---
 Dissolved Gas Concentration Data Frame
 
 R Script:
@@ -49,19 +61,7 @@ library(neonDissGas)
 sdgDataPlusConc <- def.calc.sdg.conc(inputFile = sdgFormatted)
 sdgDataPlusConc
 ```
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-Initiation of Python
 
-```{r}
-library(reticulate)
-use_python("~/venv/bin/python", required = TRUE)
-```
-
-Check if the version of Python you are using is the same as the Python the code was written (correct version: 3.7.7)
-```{python}
-import sys
-print(sys.version)
-```
 
 TRANSLATION TO PYTHON: 
 
@@ -80,8 +80,8 @@ gasConcentration = def_calc_sdg_conc(inputFile=r.sdgFormatted)
 ```{r }
 py$gasConcentration
 ```
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 
+---
 Dissolved Gases' Saturation Data Frame
 
 R Script:
@@ -99,12 +99,10 @@ TRANSLATION TO PYTHON:
 ```{python}
 import os
 os.chdir('/Users/marcelarodriguez/PycharmProjects/NEON-DissolvedGas')
-#print(os.getcwd())
 
 from def_calc_sdg_sat import def_calc_sdg_sat
 import pandas
 
-#sdgFormatted = (data_dir= '/Users/marcelarodriguez/PycharmProjects/NEON-DissolvedGas/NEON_dissolved-gases-surfacewater.zip')
 gasSaturation = def_calc_sdg_sat(inputFile=gasConcentration)
 
 ```