updates to 006 for Metadata intro

giumas · giumas · commit 23656466ccc5 · 2019-02-22T10:57:18.000-05:00
diff --git a/003_Conditional_Execution.ipynb b/003_Conditional_Execution.ipynb
@@ -221,7 +221,7 @@
     "| -------- | ------------------------------------------------------------------- |\n",
     "| `and`    | `True` if both the operands are `True`. Otherwise, `False`.         |\n",
     "| `or`     | `True` if either of the operands are `True`. Otherwise, `False`.    |\n",
-    "| `not`    | `True` if the following operand is `False`. Othersiwe, `False.      |"
+    "| `not`    | `True` if the following operand is `False`. Othersiwe, `False`.      |"
    ]
   },
   {
diff --git a/006_Dictionaries.ipynb b/006_Dictionaries.ipynb
@@ -206,6 +206,29 @@
     "***"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## What is Metadata?"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "In Ocean Mapping you will often encounter the concept of [metadata](https://en.wikipedia.org/wiki/Metadata). One of the most common use of metadata is to help users discover and identify data resources. \n",
+    "\n",
+    "There are different [metadata standards](https://en.wikipedia.org/wiki/Metadata#Standards) for each different field of study, and ocean mapping uses many of these standards. However, for the task of this notebook, we will not explore them. You will get familiar with these standards during your future Ocean Mapping courses. "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "***"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -219,7 +242,7 @@
    "source": [
     "We will now explore the use of a `dict` as a [metadata](https://en.wikipedia.org/wiki/Metadata) container.  \n",
     "\n",
-    "Descriptive metadata provides a resource for several purposes such as data discovery and identification. Following our previous examples of experiments collecting water salinity and temperature values, we will use a `dict` to store metadata such as:\n",
+    "Following our previous examples of experiments collecting water salinity and temperature values, we will use a `dict` to store metadata such as:\n",
     "\n",
     "- The author of the measures (`\"first_name\"` and `\"last_name\"`).\n",
     "- The location where the measurements took place (`\"latitude\"` and `\"longitude\"`).\n",
@@ -253,7 +276,14 @@
    "source": [
     "<img align=\"left\" width=\"6%\" style=\"padding-right:10px;\" src=\"images/key.png\">\n",
     "\n",
-    "A variable of `datetime` type contains all the information from both a date and a time."
+    "A variable of `datetime` type contains all the information from both a date and a time. This is of key importance in Ocean Mapping as integration of data is usually done on a time basis. "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "An entire Ocean Mapping course will be focused on the integration of data from various sensors used to map the seafloor."
    ]
   },
   {

Original file line number	Diff line number	Diff line change
`@@ -221,7 +221,7 @@`
`221`	`221`	`"\| -------- \| ------------------------------------------------------------------- \|\n",`
`222`	`222`	"\| `and` \| `True` if both the operands are `True`. Otherwise, `False`. \|\n",
`223`	`223`	"\| `or` \| `True` if either of the operands are `True`. Otherwise, `False`. \|\n",
`224`		- "\| `not` \| `True` if the following operand is `False`. Othersiwe, `False. \|"
	`224`	+ "\| `not` \| `True` if the following operand is `False`. Othersiwe, `False`. \|"
`225`	`225`	`]`
`226`	`226`	`},`
`227`	`227`	`{`