remove warning 2020-12-10-masks-public

Author: minhkhul

content/blog/2020-12-10-masks-public.Rmd

@@ -74,7 +74,7 @@ District of Columbia, Massachusetts, and New York), mask usage is among the
 highest in the country; in the other three (South Dakota, Idaho, and Wyoming),
 it's among the lowest.
 
-```{r state_masks_time, message=FALSE}
+```{r state_masks_time, message=FALSE, warning=FALSE}
 library(covidcast)
 library(dplyr)
 library(ggplot2)
@@ -117,7 +117,7 @@ states---might make you wonder: If mask usage is over 80% in most states and
 over 90% in many, why does the rate of new COVID cases in the United States
 currently look like this?
 
-```{r national_cases_time, message=FALSE}
+```{r national_cases_time, message=FALSE, warning=FALSE}
 cases <- covidcast_signal(
   "indicator-combination", "confirmed_7dav_incidence_num",
   start_day = "2020-09-15", end_day = "2020-12-05",
@@ -221,7 +221,7 @@ mask use.
 Let's see how the data looks. We'll plot the percentage of people answering
 "all" or "most" to each mask question in each state:
 
-```{r mask_questions_compared, message=FALSE}
+```{r mask_questions_compared, message=FALSE, warning=FALSE}
 masked <- covidcast_signal(
   "fb-survey", "smoothed_wwearing_mask",
   start_day = "2020-12-01", end_day = "2020-12-01",
@@ -331,7 +331,7 @@ is "Spent time with someone who isn't currently staying with you"; whether this
 is done with a mask or not, it represents a higher risk. And the data shows that
 it's done more often in states where fewer people report wearing masks:
 
-```{r social_distancing, message=FALSE}
+```{r social_distancing, message=FALSE, warning=FALSE}
 spent_time <- covidcast_signal(
   "fb-survey", "smoothed_wspent_time_1d",
   start_day = "2020-12-01", end_day = "2020-12-01",
@@ -357,7 +357,7 @@ cell phone location data. Using [state-level aggregates from our
 API](https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/safegraph.html#safegraph-weekly-patterns),
 we can compare mask use to the proportion of people visiting restaurants in each state:
 
-```{r restaurants, message=FALSE}
+```{r restaurants, message=FALSE, warning=FALSE}
 # 2020-11-29 was most recent data available at time of writing
 restaurants <- covidcast_signal(
   "safegraph", "restaurants_visit_prop",

content/blog/2020-12-10-masks-public.html

@@ -78,11 +78,8 @@ <h2>Studying Mask Use with Surveys</h2>
 it’s among the lowest.</p>
 <pre class="r"><code>library(covidcast)
 library(dplyr)
-## Warning: package &#39;dplyr&#39; was built under R version 4.1.3
 library(ggplot2)
-## Warning: package &#39;ggplot2&#39; was built under R version 4.1.3
 library(directlabels)
-## Warning: package &#39;directlabels&#39; was built under R version 4.1.3
 
 options(covidcast.auth = Sys.getenv(&quot;API_KEY&quot;)) # for more on API keys, see: https://cmu-delphi.github.io/delphi-epidata/api/api_keys.html
 
@@ -105,12 +102,7 @@ <h2>Studying Mask Use with Surveys</h2>
        subtitle = &quot;From Delphi&#39;s surveys, conducted through Facebook&quot;,
        caption = &quot;Data from Delphi COVIDcast, delphi.cmu.edu&quot;) +
   theme_bw() +
-  guides(color = FALSE)
-## Warning: The `&lt;scale&gt;` argument of `guides()` cannot be `FALSE`. Use &quot;none&quot; instead as
-## of ggplot2 3.3.4.
-## This warning is displayed once every 8 hours.
-## Call `lifecycle::last_lifecycle_warnings()` to see where this warning was
-## generated.</code></pre>
+  guides(color = FALSE)</code></pre>
 <p><img src="/blog/2020-12-10-masks-public_files/figure-html/state_masks_time-1.svg" width="672" /></p>
 <p>Despite the gap between states, it also seems clear that self-reported mask use
 has been on the rise in states whose mask use started low. This is quite