diff --git a/03-basics-factors-dataframes.md b/03-basics-factors-dataframes.md
index c6354487..497adee8 100644
--- a/03-basics-factors-dataframes.md
+++ b/03-basics-factors-dataframes.md
@@ -181,7 +181,7 @@ you have the `variants` object, listed as 801 obs. (observations/rows)
of 29 variables (columns). Double-clicking on the name of the object will open
a view of the data in a new tab.
-
+![RStudio data frame view]("fig/rstudio_dataframeview.png")
## Summarizing, subsetting, and determining the structure of a data frame.
@@ -512,7 +512,7 @@ These packages will be installed into "~/work/genomics-r-intro/genomics-r-intro/
# Installing packages --------------------------------------------------------
- Installing ggplot2 ... OK [linked from cache]
-Successfully installed 1 package in 5.2 milliseconds.
+Successfully installed 1 package in 5.5 milliseconds.
```
::::::::::::::::::::::::::::::::::::::::::::::::::
@@ -1263,12 +1263,12 @@ First, in the RStudio menu go to **File**, select **Import Dataset**, and
choose **From Excel...** (notice there are several other options you can
explore).
-
+![RStudio import menu]("fig/rstudio_import_menu.png")
Next, under **File/Url:** click the Browse button and navigate to the **Ecoli\_metadata.xlsx** file located at `/home/dcuser/dc_sample_data/R`.
You should now see a preview of the data to be imported:
-
+![RStudio import screen]("fig/rstudio_import_screen.png")
Notice that you have the option to change the data type of each variable by
clicking arrow (drop-down menu) next to each column title. Under **Import
diff --git a/md5sum.txt b/md5sum.txt
index cd7b826c..01939743 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -6,7 +6,7 @@
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